diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..f339d2d
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,10 @@
+; top-most EditorConfig file
+root = true
+
+; Unix-style newlines
+[*]
+end_of_line = LF
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
new file mode 100644
index 0000000..a843e41
--- /dev/null
+++ b/.github/workflows/coding-standards.yml
@@ -0,0 +1,35 @@
+name: "CS"
+
+on:
+ pull_request:
+ push:
+ branches:
+ - master
+
+jobs:
+ coding-standards:
+ name: "CS Fixer"
+ runs-on: "ubuntu-20.04"
+
+ steps:
+ - name: "Checkout"
+ uses: "actions/checkout@v2"
+
+ - name: "Install PHP"
+ uses: "shivammathur/setup-php@v2"
+ with:
+ coverage: "none"
+ php-version: "7.4"
+ tools: cs2pr, pecl, composer:v1
+ extensions: tidy
+ ini-values: "date.timezone=Europe/Paris"
+ env:
+ COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+ - name: "Install dependencies with Composer"
+ uses: "ramsey/composer-install@v1"
+ with:
+ composer-options: "--optimize-autoloader --prefer-dist"
+
+ - name: "RUN PHP CS Fixer"
+ run: "php vendor/bin/php-cs-fixer fix --verbose --dry-run --format=checkstyle | cs2pr"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d0699c7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/bin/
+/vendor/
+.php-cs-fixer.cache
diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
new file mode 100644
index 0000000..4b2eadc
--- /dev/null
+++ b/.php-cs-fixer.php
@@ -0,0 +1,30 @@
+in(__DIR__)
+ ->exclude(['vendor', 'log', 'script'])
+;
+return (new PhpCsFixer\Config())
+ ->setRiskyAllowed(true)
+ ->setRules([
+ '@Symfony' => true,
+ '@Symfony:risky' => true,
+ 'array_syntax' => ['syntax' => 'short'],
+ 'combine_consecutive_unsets' => true,
+ 'heredoc_to_nowdoc' => true,
+ 'no_extra_blank_lines' => ['tokens' => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block']],
+ 'no_unreachable_default_argument_value' => true,
+ 'no_useless_else' => true,
+ 'no_useless_return' => true,
+ 'ordered_class_elements' => true,
+ 'ordered_imports' => true,
+ 'php_unit_strict' => true,
+ 'phpdoc_order' => true,
+ // 'psr4' => true,
+ 'strict_comparison' => true,
+ 'strict_param' => true,
+ 'concat_space' => ['spacing' => 'one'],
+ ])
+ ->setFinder($finder)
+;
diff --git a/composer.json b/composer.json
index 78390bc..3abba45 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,9 @@
"require":{
"php":">4.4.0"
},
+ "require-dev": {
+ "friendsofphp/php-cs-fixer": "^3.0"
+ },
"replace":{
"htmlawed/htmlawed": "*"
},
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..a78673a
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,2108 @@
+{
+ "_readme": [
+ "This file locks the dependencies of your project to a known state",
+ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+ "This file is @generated automatically"
+ ],
+ "content-hash": "cd2ef24018e6a331d0ca8be2e2da6df6",
+ "packages": [],
+ "packages-dev": [
+ {
+ "name": "composer/semver",
+ "version": "3.2.6",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/composer/semver.git",
+ "reference": "83e511e247de329283478496f7a1e114c9517506"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/composer/semver/zipball/83e511e247de329283478496f7a1e114c9517506",
+ "reference": "83e511e247de329283478496f7a1e114c9517506",
+ "shasum": ""
+ },
+ "require": {
+ "php": "^5.3.2 || ^7.0 || ^8.0"
+ },
+ "require-dev": {
+ "phpstan/phpstan": "^0.12.54",
+ "symfony/phpunit-bridge": "^4.2 || ^5"
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-main": "3.x-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Composer\\Semver\\": "src"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
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+ "name": "Nils Adermann",
+ "email": "naderman@naderman.de",
+ "homepage": "http://www.naderman.de"
+ },
+ {
+ "name": "Jordi Boggiano",
+ "email": "j.boggiano@seld.be",
+ "homepage": "http://seld.be"
+ },
+ {
+ "name": "Rob Bast",
+ "email": "rob.bast@gmail.com",
+ "homepage": "http://robbast.nl"
+ }
+ ],
+ "description": "Semver library that offers utilities, version constraint parsing and validation.",
+ "keywords": [
+ "semantic",
+ "semver",
+ "validation",
+ "versioning"
+ ],
+ "support": {
+ "irc": "irc://irc.freenode.org/composer",
+ "issues": "https://github.com/composer/semver/issues",
+ "source": "https://github.com/composer/semver/tree/3.2.6"
+ },
+ "funding": [
+ {
+ "url": "https://packagist.com",
+ "type": "custom"
+ },
+ {
+ "url": "https://github.com/composer",
+ "type": "github"
+ },
+ {
+ "url": "https://tidelift.com/funding/github/packagist/composer/composer",
+ "type": "tidelift"
+ }
+ ],
+ "time": "2021-10-25T11:34:17+00:00"
+ },
+ {
+ "name": "composer/xdebug-handler",
+ "version": "2.0.2",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/composer/xdebug-handler.git",
+ "reference": "84674dd3a7575ba617f5a76d7e9e29a7d3891339"
+ },
+ "dist": {
+ "type": "zip",
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+ "shasum": ""
+ },
+ "require": {
+ "php": "^5.3.2 || ^7.0 || ^8.0",
+ "psr/log": "^1 || ^2 || ^3"
+ },
+ "require-dev": {
+ "phpstan/phpstan": "^0.12.55",
+ "symfony/phpunit-bridge": "^4.2 || ^5"
+ },
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+ "autoload": {
+ "psr-4": {
+ "Composer\\XdebugHandler\\": "src"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "John Stevenson",
+ "email": "john-stevenson@blueyonder.co.uk"
+ }
+ ],
+ "description": "Restarts a process without Xdebug.",
+ "keywords": [
+ "Xdebug",
+ "performance"
+ ],
+ "support": {
+ "irc": "irc://irc.freenode.org/composer",
+ "issues": "https://github.com/composer/xdebug-handler/issues",
+ "source": "https://github.com/composer/xdebug-handler/tree/2.0.2"
+ },
+ "funding": [
+ {
+ "url": "https://packagist.com",
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+ },
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+ "type": "tidelift"
+ }
+ ],
+ "time": "2021-07-31T17:03:58+00:00"
+ },
+ {
+ "name": "doctrine/annotations",
+ "version": "1.13.2",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/doctrine/annotations.git",
+ "reference": "5b668aef16090008790395c02c893b1ba13f7e08"
+ },
+ "dist": {
+ "type": "zip",
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+ "reference": "5b668aef16090008790395c02c893b1ba13f7e08",
+ "shasum": ""
+ },
+ "require": {
+ "doctrine/lexer": "1.*",
+ "ext-tokenizer": "*",
+ "php": "^7.1 || ^8.0",
+ "psr/cache": "^1 || ^2 || ^3"
+ },
+ "require-dev": {
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+ "phpstan/phpstan": "^0.12.20",
+ "phpunit/phpunit": "^7.5 || ^8.0 || ^9.1.5",
+ "symfony/cache": "^4.4 || ^5.2"
+ },
+ "type": "library",
+ "autoload": {
+ "psr-4": {
+ "Doctrine\\Common\\Annotations\\": "lib/Doctrine/Common/Annotations"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Guilherme Blanco",
+ "email": "guilhermeblanco@gmail.com"
+ },
+ {
+ "name": "Roman Borschel",
+ "email": "roman@code-factory.org"
+ },
+ {
+ "name": "Benjamin Eberlei",
+ "email": "kontakt@beberlei.de"
+ },
+ {
+ "name": "Jonathan Wage",
+ "email": "jonwage@gmail.com"
+ },
+ {
+ "name": "Johannes Schmitt",
+ "email": "schmittjoh@gmail.com"
+ }
+ ],
+ "description": "Docblock Annotations Parser",
+ "homepage": "https://www.doctrine-project.org/projects/annotations.html",
+ "keywords": [
+ "annotations",
+ "docblock",
+ "parser"
+ ],
+ "support": {
+ "issues": "https://github.com/doctrine/annotations/issues",
+ "source": "https://github.com/doctrine/annotations/tree/1.13.2"
+ },
+ "time": "2021-08-05T19:00:23+00:00"
+ },
+ {
+ "name": "doctrine/lexer",
+ "version": "1.2.1",
+ "source": {
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+ "url": "https://github.com/doctrine/lexer.git",
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+ "require": {
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+ },
+ "require-dev": {
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+ },
+ "type": "library",
+ "extra": {
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+ }
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+ "Doctrine\\Common\\Lexer\\": "lib/Doctrine/Common/Lexer"
+ }
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+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Guilherme Blanco",
+ "email": "guilhermeblanco@gmail.com"
+ },
+ {
+ "name": "Roman Borschel",
+ "email": "roman@code-factory.org"
+ },
+ {
+ "name": "Johannes Schmitt",
+ "email": "schmittjoh@gmail.com"
+ }
+ ],
+ "description": "PHP Doctrine Lexer parser library that can be used in Top-Down, Recursive Descent Parsers.",
+ "homepage": "https://www.doctrine-project.org/projects/lexer.html",
+ "keywords": [
+ "annotations",
+ "docblock",
+ "lexer",
+ "parser",
+ "php"
+ ],
+ "support": {
+ "issues": "https://github.com/doctrine/lexer/issues",
+ "source": "https://github.com/doctrine/lexer/tree/1.2.1"
+ },
+ "funding": [
+ {
+ "url": "https://www.doctrine-project.org/sponsorship.html",
+ "type": "custom"
+ },
+ {
+ "url": "https://www.patreon.com/phpdoctrine",
+ "type": "patreon"
+ },
+ {
+ "url": "https://tidelift.com/funding/github/packagist/doctrine%2Flexer",
+ "type": "tidelift"
+ }
+ ],
+ "time": "2020-05-25T17:44:05+00:00"
+ },
+ {
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+ "version": "v3.3.2",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/FriendsOfPHP/PHP-CS-Fixer.git",
+ "reference": "06bdbdfcd619183dd7a1a6948360f8af73b9ecec"
+ },
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+ "php-cs-fixer/diff": "^2.0",
+ "symfony/console": "^5.1.3",
+ "symfony/event-dispatcher": "^5.0",
+ "symfony/filesystem": "^5.0",
+ "symfony/finder": "^5.0",
+ "symfony/options-resolver": "^5.0",
+ "symfony/polyfill-mbstring": "^1.23",
+ "symfony/polyfill-php72": "^1.23",
+ "symfony/polyfill-php80": "^1.23",
+ "symfony/polyfill-php81": "^1.23",
+ "symfony/process": "^5.0",
+ "symfony/stopwatch": "^5.0"
+ },
+ "require-dev": {
+ "justinrainbow/json-schema": "^5.2",
+ "keradus/cli-executor": "^1.5",
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+ "php-cs-fixer/accessible-object": "^1.1",
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+ "phpunitgoodpractices/traits": "^1.9.1",
+ "symfony/phpunit-bridge": "^5.2.4",
+ "symfony/yaml": "^5.0"
+ },
+ "suggest": {
+ "ext-dom": "For handling output formats in XML",
+ "ext-mbstring": "For handling non-UTF8 characters."
+ },
+ "bin": [
+ "php-cs-fixer"
+ ],
+ "type": "application",
+ "autoload": {
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+ "PhpCsFixer\\": "src/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
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+ ],
+ "authors": [
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+ "email": "fabien@symfony.com"
+ },
+ {
+ "name": "Dariusz Rumiński",
+ "email": "dariusz.ruminski@gmail.com"
+ }
+ ],
+ "description": "A tool to automatically fix PHP code style",
+ "support": {
+ "issues": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/issues",
+ "source": "https://github.com/FriendsOfPHP/PHP-CS-Fixer/tree/v3.3.2"
+ },
+ "funding": [
+ {
+ "url": "https://github.com/keradus",
+ "type": "github"
+ }
+ ],
+ "time": "2021-11-15T18:06:47+00:00"
+ },
+ {
+ "name": "php-cs-fixer/diff",
+ "version": "v2.0.2",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/PHP-CS-Fixer/diff.git",
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+ },
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+ "require-dev": {
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+ "authors": [
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+ "email": "sebastian@phpunit.de"
+ },
+ {
+ "name": "Kore Nordmann",
+ "email": "mail@kore-nordmann.de"
+ }
+ ],
+ "description": "sebastian/diff v3 backport support for PHP 5.6+",
+ "homepage": "https://github.com/PHP-CS-Fixer",
+ "keywords": [
+ "diff"
+ ],
+ "support": {
+ "issues": "https://github.com/PHP-CS-Fixer/diff/issues",
+ "source": "https://github.com/PHP-CS-Fixer/diff/tree/v2.0.2"
+ },
+ "time": "2020-10-14T08:32:19+00:00"
+ },
+ {
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+ "version": "1.0.1",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/php-fig/cache.git",
+ "reference": "d11b50ad223250cf17b86e38383413f5a6764bf8"
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+ "homepage": "http://www.php-fig.org/"
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+ "psr-6"
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+ "support": {
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+ "time": "2021-11-05T16:50:12+00:00"
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+ "authors": [
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+ "plugin-api-version": "2.1.0"
+}
diff --git a/htmLawed.php b/htmLawed.php
index 171b7a6..4453f26 100755
--- a/htmLawed.php
+++ b/htmLawed.php
@@ -1,732 +1,1134 @@
1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'applet'=>1, 'area'=>1, 'article'=>1, 'aside'=>1, 'audio'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'blockquote'=>1, 'br'=>1, 'button'=>1, 'canvas'=>1, 'caption'=>1, 'center'=>1, 'cite'=>1, 'code'=>1, 'col'=>1, 'colgroup'=>1, 'command'=>1, 'data'=>1, 'datalist'=>1, 'dd'=>1, 'del'=>1, 'details'=>1, 'dfn'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'dt'=>1, 'em'=>1, 'embed'=>1, 'fieldset'=>1, 'figcaption'=>1, 'figure'=>1, 'font'=>1, 'footer'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'header'=>1, 'hgroup'=>1, 'hr'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'isindex'=>1, 'kbd'=>1, 'keygen'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'link'=>1, 'main'=>1, 'map'=>1, 'mark'=>1, 'menu'=>1, 'meta'=>1, 'meter'=>1, 'nav'=>1, 'noscript'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'output'=>1, 'p'=>1, 'param'=>1, 'pre'=>1, 'progress'=>1, 'q'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'script'=>1, 'section'=>1, 'select'=>1, 'small'=>1, 'source'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'style'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'time'=>1, 'tr'=>1, 'track'=>1, 'tt'=>1, 'u'=>1, 'ul'=>1, 'var'=>1, 'video'=>1, 'wbr'=>1); // 118 incl. deprecated & some Ruby
+ */
-if(!empty($C['safe'])){
- unset($e['applet'], $e['audio'], $e['canvas'], $e['embed'], $e['iframe'], $e['object'], $e['script'], $e['video']);
-}
-$x = !empty($C['elements']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['elements']) : '*';
-if($x == '-*'){$e = array();}
-elseif(strpos($x, '*') === false){$e = array_flip(explode(',', $x));}
-else{
- if(isset($x[1])){
- preg_match_all('`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`', $x, $m, PREG_SET_ORDER);
- for($i=count($m); --$i>=0;){$m[$i] = $m[$i][0];}
- foreach($m as $v){
- if($v[0] == '+'){$e[substr($v, 1)] = 1;}
- if($v[0] == '-' && isset($e[($v = substr($v, 1))]) && !in_array('+'. $v, $m)){unset($e[$v]);}
- }
- }
-}
-$C['elements'] =& $e;
-// config attrs
-$x = !empty($C['deny_attribute']) ? strtolower(str_replace(array("\n", "\r", "\t", ' '), '', $C['deny_attribute'])) : '';
-$x = array_flip((isset($x[0]) && $x[0] == '*') ? str_replace('/', 'data-', explode('-', str_replace('data-', '/', $x))) : explode(',', $x. (!empty($C['safe']) ? ',on*' : '')));
-$C['deny_attribute'] = $x;
-// config URLs
-$x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet'. (empty($C['safe']) ? ', app, javascript; *: data, javascript, ' : '; *:'). 'file, http, https';
-$C['schemes'] = array();
-foreach(explode(';', trim(str_replace(array(' ', "\t", "\r", "\n"), '', $x), ';')) as $v){
- $x = $x2 = null; list($x, $x2) = explode(':', $v, 2);
- if($x2){$C['schemes'][$x] = array_flip(explode(',', $x2));}
-}
-if(!isset($C['schemes']['*'])){
- $C['schemes']['*'] = array('file'=>1, 'http'=>1, 'https'=>1);
- if(empty($C['safe'])){$C['schemes']['*'] += array('data'=>1, 'javascript'=>1);}
-}
-if(!empty($C['safe']) && empty($C['schemes']['style'])){$C['schemes']['style'] = array('!'=>1);}
-$C['abs_url'] = isset($C['abs_url']) ? $C['abs_url'] : 0;
-if(!isset($C['base_url']) or !preg_match('`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`', $C['base_url'])){
- $C['base_url'] = $C['abs_url'] = 0;
-}
-// config rest
-$C['and_mark'] = empty($C['and_mark']) ? 0 : 1;
-$C['anti_link_spam'] = (isset($C['anti_link_spam']) && is_array($C['anti_link_spam']) && count($C['anti_link_spam']) == 2 && (empty($C['anti_link_spam'][0]) or hl_regex($C['anti_link_spam'][0])) && (empty($C['anti_link_spam'][1]) or hl_regex($C['anti_link_spam'][1]))) ? $C['anti_link_spam'] : 0;
-$C['anti_mail_spam'] = isset($C['anti_mail_spam']) ? $C['anti_mail_spam'] : 0;
-$C['balance'] = isset($C['balance']) ? (bool)$C['balance'] : 1;
-$C['cdata'] = isset($C['cdata']) ? $C['cdata'] : (empty($C['safe']) ? 3 : 0);
-$C['clean_ms_char'] = empty($C['clean_ms_char']) ? 0 : $C['clean_ms_char'];
-$C['comment'] = isset($C['comment']) ? $C['comment'] : (empty($C['safe']) ? 3 : 0);
-$C['css_expression'] = empty($C['css_expression']) ? 0 : 1;
-$C['direct_list_nest'] = empty($C['direct_list_nest']) ? 0 : 1;
-$C['hexdec_entity'] = isset($C['hexdec_entity']) ? $C['hexdec_entity'] : 1;
-$C['hook'] = (!empty($C['hook']) && function_exists($C['hook'])) ? $C['hook'] : 0;
-$C['hook_tag'] = (!empty($C['hook_tag']) && function_exists($C['hook_tag'])) ? $C['hook_tag'] : 0;
-$C['keep_bad'] = isset($C['keep_bad']) ? $C['keep_bad'] : 6;
-$C['lc_std_val'] = isset($C['lc_std_val']) ? (bool)$C['lc_std_val'] : 1;
-$C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 1;
-$C['named_entity'] = isset($C['named_entity']) ? (bool)$C['named_entity'] : 1;
-$C['no_deprecated_attr'] = isset($C['no_deprecated_attr']) ? $C['no_deprecated_attr'] : 1;
-$C['parent'] = isset($C['parent'][0]) ? strtolower($C['parent']) : 'body';
-$C['show_setting'] = !empty($C['show_setting']) ? $C['show_setting'] : 0;
-$C['style_pass'] = empty($C['style_pass']) ? 0 : 1;
-$C['tidy'] = empty($C['tidy']) ? 0 : $C['tidy'];
-$C['unique_ids'] = isset($C['unique_ids']) && (!preg_match('`\W`', $C['unique_ids'])) ? $C['unique_ids'] : 1;
-$C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 0;
-
-if(isset($GLOBALS['C'])){$reC = $GLOBALS['C'];}
-$GLOBALS['C'] = $C;
-$S = is_array($S) ? $S : hl_spec($S);
-if(isset($GLOBALS['S'])){$reS = $GLOBALS['S'];}
-$GLOBALS['S'] = $S;
-
-$t = preg_replace('`[\x00-\x08\x0b-\x0c\x0e-\x1f]`', '', $t);
-if($C['clean_ms_char']){
- $x = array("\x7f"=>'', "\x80"=>'€', "\x81"=>'', "\x83"=>'ƒ', "\x85"=>'…', "\x86"=>'†', "\x87"=>'‡', "\x88"=>'ˆ', "\x89"=>'‰', "\x8a"=>'Š', "\x8b"=>'‹', "\x8c"=>'Œ', "\x8d"=>'', "\x8e"=>'Ž', "\x8f"=>'', "\x90"=>'', "\x95"=>'•', "\x96"=>'–', "\x97"=>'—', "\x98"=>'˜', "\x99"=>'™', "\x9a"=>'š', "\x9b"=>'›', "\x9c"=>'œ', "\x9d"=>'', "\x9e"=>'ž', "\x9f"=>'Ÿ');
- $x = $x + ($C['clean_ms_char'] == 1 ? array("\x82"=>'‚', "\x84"=>'„', "\x91"=>'‘', "\x92"=>'’', "\x93"=>'“', "\x94"=>'”') : array("\x82"=>'\'', "\x84"=>'"', "\x91"=>'\'', "\x92"=>'\'', "\x93"=>'"', "\x94"=>'"'));
- $t = strtr($t, $x);
-}
-if($C['cdata'] or $C['comment']){$t = preg_replace_callback('``sm', 'hl_cmtcd', $t);}
-$t = preg_replace_callback('`&([a-zA-Z][a-zA-Z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`', 'hl_ent', str_replace('&', '&', $t));
-if($C['unique_ids'] && !isset($GLOBALS['hl_Ids'])){$GLOBALS['hl_Ids'] = array();}
-if($C['hook']){$t = $C['hook']($t, $C, $S);}
-if($C['show_setting'] && preg_match('`^[a-z][a-z0-9_]*$`i', $C['show_setting'])){
- $GLOBALS[$C['show_setting']] = array('config'=>$C, 'spec'=>$S, 'time'=>microtime());
-}
-// main
-$t = preg_replace_callback('`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m', 'hl_tag', $t);
-$t = $C['balance'] ? hl_bal($t, $C['keep_bad'], $C['parent']) : $t;
-$t = (($C['cdata'] or $C['comment']) && strpos($t, "\x01") !== false) ? str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05"), array('', '', '&', '<', '>'), $t) : $t;
-$t = $C['tidy'] ? hl_tidy($t, $C['tidy'], $C['parent']) : $t;
-unset($C, $e);
-if(isset($reC)){$GLOBALS['C'] = $reC;}
-if(isset($reS)){$GLOBALS['S'] = $reS;}
-return $t;
-}
+function htmLawed($t, $C = 1, $S = [])
+{
+ $C = is_array($C) ? $C : [];
+ if (!empty($C['valid_xhtml'])) {
+ $C['elements'] = empty($C['elements']) ? '*-acronym-big-center-dir-font-isindex-s-strike-tt' : $C['elements'];
+ $C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 2;
+ $C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 2;
+ }
+ // config eles
+ $e = ['a' => 1, 'abbr' => 1, 'acronym' => 1, 'address' => 1, 'applet' => 1, 'area' => 1, 'article' => 1, 'aside' => 1, 'audio' => 1, 'b' => 1, 'bdi' => 1, 'bdo' => 1, 'big' => 1, 'blockquote' => 1, 'br' => 1, 'button' => 1, 'canvas' => 1, 'caption' => 1, 'center' => 1, 'cite' => 1, 'code' => 1, 'col' => 1, 'colgroup' => 1, 'command' => 1, 'data' => 1, 'datalist' => 1, 'dd' => 1, 'del' => 1, 'details' => 1, 'dfn' => 1, 'dir' => 1, 'div' => 1, 'dl' => 1, 'dt' => 1, 'em' => 1, 'embed' => 1, 'fieldset' => 1, 'figcaption' => 1, 'figure' => 1, 'font' => 1, 'footer' => 1, 'form' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'header' => 1, 'hgroup' => 1, 'hr' => 1, 'i' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'ins' => 1, 'isindex' => 1, 'kbd' => 1, 'keygen' => 1, 'label' => 1, 'legend' => 1, 'li' => 1, 'link' => 1, 'main' => 1, 'map' => 1, 'mark' => 1, 'menu' => 1, 'meta' => 1, 'meter' => 1, 'nav' => 1, 'noscript' => 1, 'object' => 1, 'ol' => 1, 'optgroup' => 1, 'option' => 1, 'output' => 1, 'p' => 1, 'param' => 1, 'pre' => 1, 'progress' => 1, 'q' => 1, 'rb' => 1, 'rbc' => 1, 'rp' => 1, 'rt' => 1, 'rtc' => 1, 'ruby' => 1, 's' => 1, 'samp' => 1, 'script' => 1, 'section' => 1, 'select' => 1, 'small' => 1, 'source' => 1, 'span' => 1, 'strike' => 1, 'strong' => 1, 'style' => 1, 'sub' => 1, 'summary' => 1, 'sup' => 1, 'table' => 1, 'tbody' => 1, 'td' => 1, 'textarea' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'time' => 1, 'tr' => 1, 'track' => 1, 'tt' => 1, 'u' => 1, 'ul' => 1, 'var' => 1, 'video' => 1, 'wbr' => 1]; // 118 incl. deprecated & some Ruby
-function hl_attrval($a, $t, $p){
-// check attr val against $S
-static $ma = array('accesskey', 'class', 'itemtype', 'rel');
-$s = in_array($a, $ma) ? ' ' : ($a == 'srcset' ? ',': '');
-$r = array();
-$t = !empty($s) ? explode($s, $t) : array($t);
-foreach($t as $tk=>$tv){
- $o = 1; $tv = trim($tv); $l = strlen($tv);
- foreach($p as $k=>$v){
- if(!$l){continue;}
- switch($k){
- case 'maxlen': if($l > $v){$o = 0;}
- break; case 'minlen': if($l < $v){$o = 0;}
- break; case 'maxval': if((float)($tv) > $v){$o = 0;}
- break; case 'minval': if((float)($tv) < $v){$o = 0;}
- break; case 'match': if(!preg_match($v, $tv)){$o = 0;}
- break; case 'nomatch': if(preg_match($v, $tv)){$o = 0;}
- break; case 'oneof':
- $m = 0;
- foreach(explode('|', $v) as $n){if($tv == $n){$m = 1; break;}}
- $o = $m;
- break; case 'noneof':
- $m = 1;
- foreach(explode('|', $v) as $n){if($tv == $n){$m = 0; break;}}
- $o = $m;
- break; default:
- break;
- }
- if(!$o){break;}
- }
- if($o){$r[] = $tv;}
-}
-if($s == ','){$s = ', ';}
-$r = implode($s, $r);
-return (isset($r[0]) ? $r : (isset($p['default']) ? $p['default'] : 0));
-}
+ if (!empty($C['safe'])) {
+ unset($e['applet'], $e['audio'], $e['canvas'], $e['embed'], $e['iframe'], $e['object'], $e['script'], $e['video']);
+ }
+ $x = !empty($C['elements']) ? str_replace(["\n", "\r", "\t", ' '], '', $C['elements']) : '*';
+ if ('-*' === $x) {
+ $e = [];
+ } elseif (false === strpos($x, '*')) {
+ $e = array_flip(explode(',', $x));
+ } else {
+ if (isset($x[1])) {
+ preg_match_all('`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`', $x, $m, \PREG_SET_ORDER);
+ for ($i = count($m); --$i >= 0;) {
+ $m[$i] = $m[$i][0];
+ }
+ foreach ($m as $v) {
+ if ('+' === $v[0]) {
+ $e[substr($v, 1)] = 1;
+ }
+ if ('-' === $v[0] && isset($e[($v = substr($v, 1))]) && !in_array('+' . $v, $m, true)) {
+ unset($e[$v]);
+ }
+ }
+ }
+ }
+ $C['elements'] = &$e;
+ // config attrs
+ $x = !empty($C['deny_attribute']) ? strtolower(preg_replace('"\s+-"', '/', trim($C['deny_attribute']))) : '';
+ $x = array_flip((isset($x[0]) && '*' === $x[0]) ? explode('/', $x) : explode(',', $x . (!empty($C['safe']) ? ',on*' : '')));
+ $C['deny_attribute'] = $x;
+ // config URLs
+ $x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet' . (empty($C['safe']) ? ', app, javascript; *: data, javascript, ' : '; *:') . 'file, http, https';
+ $C['schemes'] = [];
+ foreach (explode(';', trim(str_replace([' ', "\t", "\r", "\n"], '', $x), ';')) as $v) {
+ $x = $x2 = null;
+ list($x, $x2) = explode(':', $v, 2);
+ if ($x2) {
+ $C['schemes'][$x] = array_flip(explode(',', $x2));
+ }
+ }
+ if (!isset($C['schemes']['*'])) {
+ $C['schemes']['*'] = ['file' => 1, 'http' => 1, 'https' => 1];
+ if (empty($C['safe'])) {
+ $C['schemes']['*'] += ['data' => 1, 'javascript' => 1];
+ }
+ }
+ if (!empty($C['safe']) && empty($C['schemes']['style'])) {
+ $C['schemes']['style'] = ['!' => 1];
+ }
+ $C['abs_url'] = isset($C['abs_url']) ? $C['abs_url'] : 0;
+ if (!isset($C['base_url']) || !preg_match('`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`', $C['base_url'])) {
+ $C['base_url'] = $C['abs_url'] = 0;
+ }
+ // config rest
+ $C['and_mark'] = empty($C['and_mark']) ? 0 : 1;
+ $C['anti_link_spam'] = (isset($C['anti_link_spam']) && is_array($C['anti_link_spam']) && 2 === count($C['anti_link_spam']) && (empty($C['anti_link_spam'][0]) || hl_regex($C['anti_link_spam'][0])) && (empty($C['anti_link_spam'][1]) || hl_regex($C['anti_link_spam'][1]))) ? $C['anti_link_spam'] : 0;
+ $C['anti_mail_spam'] = isset($C['anti_mail_spam']) ? $C['anti_mail_spam'] : 0;
+ $C['balance'] = isset($C['balance']) ? (bool) $C['balance'] : 1;
+ $C['cdata'] = isset($C['cdata']) ? $C['cdata'] : (empty($C['safe']) ? 3 : 0);
+ $C['clean_ms_char'] = empty($C['clean_ms_char']) ? 0 : $C['clean_ms_char'];
+ $C['comment'] = isset($C['comment']) ? $C['comment'] : (empty($C['safe']) ? 3 : 0);
+ $C['css_expression'] = empty($C['css_expression']) ? 0 : 1;
+ $C['direct_list_nest'] = empty($C['direct_list_nest']) ? 0 : 1;
+ $C['hexdec_entity'] = isset($C['hexdec_entity']) ? $C['hexdec_entity'] : 1;
+ $C['hook'] = (!empty($C['hook']) && function_exists($C['hook'])) ? $C['hook'] : 0;
+ $C['hook_tag'] = (!empty($C['hook_tag']) && function_exists($C['hook_tag'])) ? $C['hook_tag'] : 0;
+ $C['keep_bad'] = isset($C['keep_bad']) ? $C['keep_bad'] : 6;
+ $C['lc_std_val'] = isset($C['lc_std_val']) ? (bool) $C['lc_std_val'] : 1;
+ $C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 1;
+ $C['named_entity'] = isset($C['named_entity']) ? (bool) $C['named_entity'] : 1;
+ $C['no_deprecated_attr'] = isset($C['no_deprecated_attr']) ? $C['no_deprecated_attr'] : 1;
+ $C['parent'] = isset($C['parent'][0]) ? strtolower($C['parent']) : 'body';
+ $C['show_setting'] = !empty($C['show_setting']) ? $C['show_setting'] : 0;
+ $C['style_pass'] = empty($C['style_pass']) ? 0 : 1;
+ $C['tidy'] = empty($C['tidy']) ? 0 : $C['tidy'];
+ $C['unique_ids'] = isset($C['unique_ids']) && (!preg_match('`\W`', $C['unique_ids'])) ? $C['unique_ids'] : 1;
+ $C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 0;
-function hl_bal($t, $do=1, $in='div'){
-// balance tags
-// by content
-$cB = array('blockquote'=>1, 'form'=>1, 'map'=>1, 'noscript'=>1); // Block
-$cE = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1); // Empty
-$cF = array('a'=>1, 'article'=>1, 'aside'=>1, 'audio'=>1, 'button'=>1, 'canvas'=>1, 'del'=>1, 'details'=>1, 'div'=>1, 'dd'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'header'=>1, 'iframe'=>1, 'ins'=>1, 'li'=>1, 'main'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'object'=>1, 'section'=>1, 'style'=>1, 'td'=>1, 'th'=>1, 'video'=>1); // Flow; later context-wise dynamic move of ins & del to $cI
-$cI = array('abbr'=>1, 'acronym'=>1, 'address'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'caption'=>1, 'cite'=>1, 'code'=>1, 'data'=>1, 'datalist'=>1, 'dfn'=>1, 'dt'=>1, 'em'=>1, 'figcaption'=>1, 'font'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hgroup'=>1, 'i'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'mark'=>1, 'meter'=>1, 'output'=>1, 'p'=>1, 'pre'=>1, 'progress'=>1, 'q'=>1, 'rb'=>1, 'rt'=>1, 's'=>1, 'samp'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'time'=>1, 'tt'=>1, 'u'=>1, 'var'=>1); // Inline
-$cN = array('a'=>array('a'=>1, 'address'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'keygen'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'address'=>array('address'=>1, 'article'=>1, 'aside'=>1, 'header'=>1, 'keygen'=>1, 'footer'=>1, 'nav'=>1, 'section'=>1), 'button'=>array('a'=>1, 'address'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'fieldset'=>array('fieldset'=>1), 'footer'=>array('header'=>1, 'footer'=>1), 'form'=>array('form'=>1), 'header'=>array('header'=>1, 'footer'=>1), 'label'=>array('label'=>1), 'main'=>array('main'=>1), 'meter'=>array('meter'=>1), 'noscript'=>array('script'=>1), 'pre'=>array('big'=>1, 'font'=>1, 'img'=>1, 'object'=>1, 'script'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1), 'progress'=>array('progress'=>1), 'rb'=>array('ruby'=>1), 'rt'=>array('ruby'=>1), 'time'=>array('time'=>1), ); // Illegal
-$cN2 = array_keys($cN);
-$cS = array('colgroup'=>array('col'=>1), 'datalist'=>array('option'=>1), 'dir'=>array('li'=>1), 'dl'=>array('dd'=>1, 'dt'=>1), 'hgroup'=>array('h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1), 'menu'=>array('li'=>1), 'ol'=>array('li'=>1), 'optgroup'=>array('option'=>1), 'option'=>array('#pcdata'=>1), 'rbc'=>array('rb'=>1), 'rp'=>array('#pcdata'=>1), 'rtc'=>array('rt'=>1), 'ruby'=>array('rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, '#pcdata'=>1), 'select'=>array('optgroup'=>1, 'option'=>1), 'script'=>array('#pcdata'=>1), 'table'=>array('caption'=>1, 'col'=>1, 'colgroup'=>1, 'tfoot'=>1, 'tbody'=>1, 'tr'=>1, 'thead'=>1), 'tbody'=>array('tr'=>1), 'tfoot'=>array('tr'=>1), 'textarea'=>array('#pcdata'=>1), 'thead'=>array('tr'=>1), 'tr'=>array('td'=>1, 'th'=>1), 'ul'=>array('li'=>1)); // Specific - immediate parent-child
-if($GLOBALS['C']['direct_list_nest']){$cS['ol'] = $cS['ul'] = $cS['menu'] += array('menu'=>1, 'ol'=>1, 'ul'=>1);}
-$cO = array('address'=>array('p'=>1), 'applet'=>array('param'=>1), 'audio'=>array('source'=>1, 'track'=>1), 'blockquote'=>array('script'=>1), 'details'=>array('summary'=>1), 'fieldset'=>array('legend'=>1, '#pcdata'=>1), 'figure'=>array('figcaption'=>1),'form'=>array('script'=>1), 'map'=>array('area'=>1), 'object'=>array('param'=>1, 'embed'=>1), 'video'=>array('source'=>1, 'track'=>1)); // Other
-$cT = array('colgroup'=>1, 'dd'=>1, 'dt'=>1, 'li'=>1, 'option'=>1, 'p'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1); // Omitable closing
-// block/inline type; a/ins/del both type; #pcdata: text
-$eB = array('a'=>1, 'address'=>1, 'article'=>1, 'aside'=>1, 'blockquote'=>1, 'center'=>1, 'del'=>1, 'details'=>1, 'dir'=>1, 'dl'=>1, 'div'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'form'=>1, 'ins'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'header'=>1, 'hr'=>1, 'isindex'=>1, 'main'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'section'=>1, 'style'=>1, 'table'=>1, 'ul'=>1);
-$eI = array('#pcdata'=>1, 'a'=>1, 'abbr'=>1, 'acronym'=>1, 'applet'=>1, 'audio'=>1, 'b'=>1, 'bdi'=>1, 'bdo'=>1, 'big'=>1, 'br'=>1, 'button'=>1, 'canvas'=>1, 'cite'=>1, 'code'=>1, 'command'=>1, 'data'=>1, 'datalist'=>1, 'del'=>1, 'dfn'=>1, 'em'=>1, 'embed'=>1, 'figcaption'=>1, 'font'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'kbd'=>1, 'label'=>1, 'link'=>1, 'map'=>1, 'mark'=>1, 'meta'=>1, 'meter'=>1, 'object'=>1, 'output'=>1, 'progress'=>1, 'q'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'select'=>1, 'script'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'summary'=>1, 'sup'=>1, 'textarea'=>1, 'time'=>1, 'tt'=>1, 'u'=>1, 'var'=>1, 'video'=>1, 'wbr'=>1);
-$eN = array('a'=>1, 'address'=>1, 'article'=>1, 'aside'=>1, 'big'=>1, 'button'=>1, 'details'=>1, 'embed'=>1, 'fieldset'=>1, 'font'=>1, 'footer'=>1, 'form'=>1, 'header'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'meter'=>1, 'nav'=>1, 'object'=>1, 'progress'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1, 'time'=>1); // Exclude from specific ele; $cN values
-$eO = array('area'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'command'=>1, 'dd'=>1, 'dt'=>1, 'hgroup'=>1, 'keygen'=>1, 'legend'=>1, 'li'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'script'=>1, 'source'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'thead'=>1, 'th'=>1, 'tr'=>1, 'track'=>1); // Missing in $eB & $eI
-$eF = $eB + $eI;
-
-// $in sets allowed child
-$in = ((isset($eF[$in]) && $in != '#pcdata') or isset($eO[$in])) ? $in : 'div';
-if(isset($cE[$in])){
- return (!$do ? '' : str_replace(array('<', '>'), array('<', '>'), $t));
-}
-if(isset($cS[$in])){$inOk = $cS[$in];}
-elseif(isset($cI[$in])){$inOk = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
-elseif(isset($cF[$in])){$inOk = $eF; unset($cI['del'], $cI['ins']);}
-elseif(isset($cB[$in])){$inOk = $eB; unset($cI['del'], $cI['ins']);}
-if(isset($cO[$in])){$inOk = $inOk + $cO[$in];}
-if(isset($cN[$in])){$inOk = array_diff_assoc($inOk, $cN[$in]);}
-
-$t = explode('<', $t);
-$ok = $q = array(); // $q seq list of open non-empty ele
-ob_start();
-
-for($i=-1, $ci=count($t); ++$i<$ci;){
- // allowed $ok in parent $p
- if($ql = count($q)){
- $p = array_pop($q);
- $q[] = $p;
- if(isset($cS[$p])){$ok = $cS[$p];}
- elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
- elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
- elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
- if(isset($cO[$p])){$ok = $ok + $cO[$p];}
- if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
- }else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
- // bad tags, & ele content
- if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
- echo '<', $s, $e, $a, '>';
- }
- if(isset($x[0])){
- if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
- echo '
', $x, '
';
- }
- elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
- elseif(strpos($x, "\x02\x04")){
- foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
- echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
- }
- }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
- }
- // get markup
- if(!preg_match('`^(/?)([a-z1-6]+)([^>]*)>(.*)`sm', $t[$i], $r)){$x = $t[$i]; continue;}
- $s = null; $e = null; $a = null; $x = null; list($all, $s, $e, $a, $x) = $r;
- // close tag
- if($s){
- if(isset($cE[$e]) or !in_array($e, $q)){continue;} // Empty/unopen
- if($p == $e){array_pop($q); echo '', $e, '>'; unset($e); continue;} // Last open
- $add = ''; // Nesting - close open tags that need to be
- for($j=-1, $cj=count($q); ++$j<$cj;){
- if(($d = array_pop($q)) == $e){break;}
- else{$add .= "{$d}>";}
- }
- echo $add, '', $e, '>'; unset($e); continue;
- }
- // open tag
- // $cB ele needs $eB ele as child
- if(isset($cB[$e]) && strlen(trim($x))){
- $t[$i] = "{$e}{$a}>";
- array_splice($t, $i+1, 0, 'div>'. $x); unset($e, $x); ++$ci; --$i; continue;
- }
- if((($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql)) && !isset($eB[$e]) && !isset($ok[$e])){
- array_splice($t, $i, 0, 'div>'); unset($e, $x); ++$ci; --$i; continue;
- }
- // if no open ele, $in = parent; mostly immediate parent-child relation should hold
- if(!$ql or !isset($eN[$e]) or !array_intersect($q, $cN2)){
- if(!isset($ok[$e])){
- if($ql && isset($cT[$p])){echo '', array_pop($q), '>'; unset($e, $x); --$i;}
- continue;
- }
- if(!isset($cE[$e])){$q[] = $e;}
- echo '<', $e, $a, '>'; unset($e); continue;
- }
- // specific parent-child
- if(isset($cS[$p][$e])){
- if(!isset($cE[$e])){$q[] = $e;}
- echo '<', $e, $a, '>'; unset($e); continue;
- }
- // nesting
- $add = '';
- $q2 = array();
- for($k=-1, $kc=count($q); ++$k<$kc;){
- $d = $q[$k];
- $ok2 = array();
- if(isset($cS[$d])){$q2[] = $d; continue;}
- $ok2 = isset($cI[$d]) ? $eI : $eF;
- if(isset($cO[$d])){$ok2 = $ok2 + $cO[$d];}
- if(isset($cN[$d])){$ok2 = array_diff_assoc($ok2, $cN[$d]);}
- if(!isset($ok2[$e])){
- if(!$k && !isset($inOk[$e])){continue 2;}
- $add = "{$d}>";
- for(;++$k<$kc;){$add = "{$q[$k]}>{$add}";}
- break;
- }
- else{$q2[] = $d;}
- }
- $q = $q2;
- if(!isset($cE[$e])){$q[] = $e;}
- echo $add, '<', $e, $a, '>'; unset($e); continue;
-}
+ if (isset($GLOBALS['C'])) {
+ $reC = $GLOBALS['C'];
+ }
+ $GLOBALS['C'] = $C;
+ $S = is_array($S) ? $S : hl_spec($S);
+ if (isset($GLOBALS['S'])) {
+ $reS = $GLOBALS['S'];
+ }
+ $GLOBALS['S'] = $S;
-// end
-if($ql = count($q)){
- $p = array_pop($q);
- $q[] = $p;
- if(isset($cS[$p])){$ok = $cS[$p];}
- elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
- elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
- elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
- if(isset($cO[$p])){$ok = $ok + $cO[$p];}
- if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
-}else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
-if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
- echo '<', $s, $e, $a, '>';
-}
-if(isset($x[0])){
- if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
- echo '', $x, '
';
- }
- elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
- elseif(strpos($x, "\x02\x04")){
- foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
- echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
- }
- }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
-}
-while(!empty($q) && ($e = array_pop($q))){echo '', $e, '>';}
-$o = ob_get_contents();
-ob_end_clean();
-return $o;
-}
+ $t = preg_replace('`[\x00-\x08\x0b-\x0c\x0e-\x1f]`', '', $t);
+ if ($C['clean_ms_char']) {
+ $x = ["\x7f" => '', "\x80" => '€', "\x81" => '', "\x83" => 'ƒ', "\x85" => '…', "\x86" => '†', "\x87" => '‡', "\x88" => 'ˆ', "\x89" => '‰', "\x8a" => 'Š', "\x8b" => '‹', "\x8c" => 'Œ', "\x8d" => '', "\x8e" => 'Ž', "\x8f" => '', "\x90" => '', "\x95" => '•', "\x96" => '–', "\x97" => '—', "\x98" => '˜', "\x99" => '™', "\x9a" => 'š', "\x9b" => '›', "\x9c" => 'œ', "\x9d" => '', "\x9e" => 'ž', "\x9f" => 'Ÿ'];
+ $x = $x + (1 === $C['clean_ms_char'] ? ["\x82" => '‚', "\x84" => '„', "\x91" => '‘', "\x92" => '’', "\x93" => '“', "\x94" => '”'] : ["\x82" => '\'', "\x84" => '"', "\x91" => '\'', "\x92" => '\'', "\x93" => '"', "\x94" => '"']);
+ $t = strtr($t, $x);
+ }
+ if ($C['cdata'] || $C['comment']) {
+ $t = preg_replace_callback('``sm', 'hl_cmtcd', $t);
+ }
+ $t = preg_replace_callback('`&([a-zA-Z][a-zA-Z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`', 'hl_ent', str_replace('&', '&', $t));
+ if ($C['unique_ids'] && !isset($GLOBALS['hl_Ids'])) {
+ $GLOBALS['hl_Ids'] = [];
+ }
+ if ($C['hook']) {
+ $t = $C['hook']($t, $C, $S);
+ }
+ if ($C['show_setting'] && preg_match('`^[a-z][a-z0-9_]*$`i', $C['show_setting'])) {
+ $GLOBALS[$C['show_setting']] = ['config' => $C, 'spec' => $S, 'time' => microtime()];
+ }
+ // main
+ $t = preg_replace_callback('`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m', 'hl_tag', $t);
+ $t = $C['balance'] ? hl_bal($t, $C['keep_bad'], $C['parent']) : $t;
+ $t = (($C['cdata'] || $C['comment']) && false !== strpos($t, "\x01")) ? str_replace(["\x01", "\x02", "\x03", "\x04", "\x05"], ['', '', '&', '<', '>'], $t) : $t;
+ $t = $C['tidy'] ? hl_tidy($t, $C['tidy'], $C['parent']) : $t;
+ unset($C, $e);
+ if (isset($reC)) {
+ $GLOBALS['C'] = $reC;
+ }
+ if (isset($reS)) {
+ $GLOBALS['S'] = $reS;
+ }
-function hl_cmtcd($t){
-// comment/CDATA sec handler
-$t = $t[0];
-global $C;
-if(!($v = $C[$n = $t[3] == '-' ? 'comment' : 'cdata'])){return $t;}
-if($v == 1){return '';}
-if($n == 'comment' && $v < 4){
- if(substr(($t = preg_replace('`--+`', '-', substr($t, 4, -3))), -1) != ' '){$t .= ' ';}
-}
-else{$t = substr($t, 1, -1);}
-$t = $v == 2 ? str_replace(array('&', '<', '>'), array('&', '<', '>'), $t) : $t;
-return str_replace(array('&', '<', '>'), array("\x03", "\x04", "\x05"), ($n == 'comment' ? "\x01\x02\x04!--$t--\x05\x02\x01" : "\x01\x01\x04$t\x05\x01\x01"));
+ return $t;
}
-function hl_ent($t){
-// entitity handler
-global $C;
-$t = $t[1];
-static $U = array('quot'=>1,'amp'=>1,'lt'=>1,'gt'=>1);
-static $N = array('fnof'=>'402', 'Alpha'=>'913', 'Beta'=>'914', 'Gamma'=>'915', 'Delta'=>'916', 'Epsilon'=>'917', 'Zeta'=>'918', 'Eta'=>'919', 'Theta'=>'920', 'Iota'=>'921', 'Kappa'=>'922', 'Lambda'=>'923', 'Mu'=>'924', 'Nu'=>'925', 'Xi'=>'926', 'Omicron'=>'927', 'Pi'=>'928', 'Rho'=>'929', 'Sigma'=>'931', 'Tau'=>'932', 'Upsilon'=>'933', 'Phi'=>'934', 'Chi'=>'935', 'Psi'=>'936', 'Omega'=>'937', 'alpha'=>'945', 'beta'=>'946', 'gamma'=>'947', 'delta'=>'948', 'epsilon'=>'949', 'zeta'=>'950', 'eta'=>'951', 'theta'=>'952', 'iota'=>'953', 'kappa'=>'954', 'lambda'=>'955', 'mu'=>'956', 'nu'=>'957', 'xi'=>'958', 'omicron'=>'959', 'pi'=>'960', 'rho'=>'961', 'sigmaf'=>'962', 'sigma'=>'963', 'tau'=>'964', 'upsilon'=>'965', 'phi'=>'966', 'chi'=>'967', 'psi'=>'968', 'omega'=>'969', 'thetasym'=>'977', 'upsih'=>'978', 'piv'=>'982', 'bull'=>'8226', 'hellip'=>'8230', 'prime'=>'8242', 'Prime'=>'8243', 'oline'=>'8254', 'frasl'=>'8260', 'weierp'=>'8472', 'image'=>'8465', 'real'=>'8476', 'trade'=>'8482', 'alefsym'=>'8501', 'larr'=>'8592', 'uarr'=>'8593', 'rarr'=>'8594', 'darr'=>'8595', 'harr'=>'8596', 'crarr'=>'8629', 'lArr'=>'8656', 'uArr'=>'8657', 'rArr'=>'8658', 'dArr'=>'8659', 'hArr'=>'8660', 'forall'=>'8704', 'part'=>'8706', 'exist'=>'8707', 'empty'=>'8709', 'nabla'=>'8711', 'isin'=>'8712', 'notin'=>'8713', 'ni'=>'8715', 'prod'=>'8719', 'sum'=>'8721', 'minus'=>'8722', 'lowast'=>'8727', 'radic'=>'8730', 'prop'=>'8733', 'infin'=>'8734', 'ang'=>'8736', 'and'=>'8743', 'or'=>'8744', 'cap'=>'8745', 'cup'=>'8746', 'int'=>'8747', 'there4'=>'8756', 'sim'=>'8764', 'cong'=>'8773', 'asymp'=>'8776', 'ne'=>'8800', 'equiv'=>'8801', 'le'=>'8804', 'ge'=>'8805', 'sub'=>'8834', 'sup'=>'8835', 'nsub'=>'8836', 'sube'=>'8838', 'supe'=>'8839', 'oplus'=>'8853', 'otimes'=>'8855', 'perp'=>'8869', 'sdot'=>'8901', 'lceil'=>'8968', 'rceil'=>'8969', 'lfloor'=>'8970', 'rfloor'=>'8971', 'lang'=>'9001', 'rang'=>'9002', 'loz'=>'9674', 'spades'=>'9824', 'clubs'=>'9827', 'hearts'=>'9829', 'diams'=>'9830', 'apos'=>'39', 'OElig'=>'338', 'oelig'=>'339', 'Scaron'=>'352', 'scaron'=>'353', 'Yuml'=>'376', 'circ'=>'710', 'tilde'=>'732', 'ensp'=>'8194', 'emsp'=>'8195', 'thinsp'=>'8201', 'zwnj'=>'8204', 'zwj'=>'8205', 'lrm'=>'8206', 'rlm'=>'8207', 'ndash'=>'8211', 'mdash'=>'8212', 'lsquo'=>'8216', 'rsquo'=>'8217', 'sbquo'=>'8218', 'ldquo'=>'8220', 'rdquo'=>'8221', 'bdquo'=>'8222', 'dagger'=>'8224', 'Dagger'=>'8225', 'permil'=>'8240', 'lsaquo'=>'8249', 'rsaquo'=>'8250', 'euro'=>'8364', 'nbsp'=>'160', 'iexcl'=>'161', 'cent'=>'162', 'pound'=>'163', 'curren'=>'164', 'yen'=>'165', 'brvbar'=>'166', 'sect'=>'167', 'uml'=>'168', 'copy'=>'169', 'ordf'=>'170', 'laquo'=>'171', 'not'=>'172', 'shy'=>'173', 'reg'=>'174', 'macr'=>'175', 'deg'=>'176', 'plusmn'=>'177', 'sup2'=>'178', 'sup3'=>'179', 'acute'=>'180', 'micro'=>'181', 'para'=>'182', 'middot'=>'183', 'cedil'=>'184', 'sup1'=>'185', 'ordm'=>'186', 'raquo'=>'187', 'frac14'=>'188', 'frac12'=>'189', 'frac34'=>'190', 'iquest'=>'191', 'Agrave'=>'192', 'Aacute'=>'193', 'Acirc'=>'194', 'Atilde'=>'195', 'Auml'=>'196', 'Aring'=>'197', 'AElig'=>'198', 'Ccedil'=>'199', 'Egrave'=>'200', 'Eacute'=>'201', 'Ecirc'=>'202', 'Euml'=>'203', 'Igrave'=>'204', 'Iacute'=>'205', 'Icirc'=>'206', 'Iuml'=>'207', 'ETH'=>'208', 'Ntilde'=>'209', 'Ograve'=>'210', 'Oacute'=>'211', 'Ocirc'=>'212', 'Otilde'=>'213', 'Ouml'=>'214', 'times'=>'215', 'Oslash'=>'216', 'Ugrave'=>'217', 'Uacute'=>'218', 'Ucirc'=>'219', 'Uuml'=>'220', 'Yacute'=>'221', 'THORN'=>'222', 'szlig'=>'223', 'agrave'=>'224', 'aacute'=>'225', 'acirc'=>'226', 'atilde'=>'227', 'auml'=>'228', 'aring'=>'229', 'aelig'=>'230', 'ccedil'=>'231', 'egrave'=>'232', 'eacute'=>'233', 'ecirc'=>'234', 'euml'=>'235', 'igrave'=>'236', 'iacute'=>'237', 'icirc'=>'238', 'iuml'=>'239', 'eth'=>'240', 'ntilde'=>'241', 'ograve'=>'242', 'oacute'=>'243', 'ocirc'=>'244', 'otilde'=>'245', 'ouml'=>'246', 'divide'=>'247', 'oslash'=>'248', 'ugrave'=>'249', 'uacute'=>'250', 'ucirc'=>'251', 'uuml'=>'252', 'yacute'=>'253', 'thorn'=>'254', 'yuml'=>'255');
-if($t[0] != '#'){
- return ($C['and_mark'] ? "\x06" : '&'). (isset($U[$t]) ? $t : (isset($N[$t]) ? (!$C['named_entity'] ? '#'. ($C['hexdec_entity'] > 1 ? 'x'. dechex($N[$t]) : $N[$t]) : $t) : 'amp;'. $t)). ';';
-}
-if(($n = ctype_digit($t = substr($t, 1)) ? intval($t) : hexdec(substr($t, 1))) < 9 or ($n > 13 && $n < 32) or $n == 11 or $n == 12 or ($n > 126 && $n < 160 && $n != 133) or ($n > 55295 && ($n < 57344 or ($n > 64975 && $n < 64992) or $n == 65534 or $n == 65535 or $n > 1114111))){
- return ($C['and_mark'] ? "\x06" : '&'). "amp;#{$t};";
-}
-return ($C['and_mark'] ? "\x06" : '&'). '#'. (((ctype_digit($t) && $C['hexdec_entity'] < 2) or !$C['hexdec_entity']) ? $n : 'x'. dechex($n)). ';';
-}
+function hl_attrval($a, $t, $p)
+{
+ // check attr val against $S
+ static $ma = ['accesskey', 'class', 'itemtype', 'rel'];
+ $s = in_array($a, $ma, true) ? ' ' : ('srcset' === $a ? ',' : '');
+ $r = [];
+ $t = !empty($s) ? explode($s, $t) : [$t];
+ foreach ($t as $tk => $tv) {
+ $o = 1;
+ $tv = trim($tv);
+ $l = strlen($tv);
+ foreach ($p as $k => $v) {
+ if (!$l) {
+ continue;
+ }
+ switch ($k) {
+ case 'maxlen':
+ if ($l > $v) {
+ $o = 0;
+ }
+ break;
+ case 'minlen':
+ if ($l < $v) {
+ $o = 0;
+ }
+ break;
+ case 'maxval':
+ if ((float) ($tv) > $v) {
+ $o = 0;
+ }
+ break;
+ case 'minval':
+ if ((float) ($tv) < $v) {
+ $o = 0;
+ }
+ break;
+ case 'match':
+ if (!preg_match($v, $tv)) {
+ $o = 0;
+ }
+ break;
+ case 'nomatch':
+ if (preg_match($v, $tv)) {
+ $o = 0;
+ }
+ break;
+ case 'oneof':
+ $m = 0;
+ foreach (explode('|', $v) as $n) {
+ if ($tv === $n) {
+ $m = 1;
+ break;
+ }
+ }
+ $o = $m;
+ break;
+ case 'noneof':
+ $m = 1;
+ foreach (explode('|', $v) as $n) {
+ if ($tv === $n) {
+ $m = 0;
+ break;
+ }
+ }
+ $o = $m;
+ break;
+ default:
+ break;
+ }
+ if (!$o) {
+ break;
+ }
+ }
+ if ($o) {
+ $r[] = $tv;
+ }
+ }
+ if (',' === $s) {
+ $s = ', ';
+ }
+ $r = implode($s, $r);
-function hl_prot($p, $c=null){
-// check URL scheme
-global $C;
-$b = $a = '';
-if($c == null){$c = 'style'; $b = $p[1]; $a = $p[3]; $p = trim($p[2]);}
-$c = isset($C['schemes'][$c]) ? $C['schemes'][$c] : $C['schemes']['*'];
-static $d = 'denied:';
-if(isset($c['!']) && substr($p, 0, 7) != $d){$p = "$d$p";}
-if(isset($c['*']) or !strcspn($p, '#?;') or (substr($p, 0, 7) == $d)){return "{$b}{$p}{$a}";} // All ok, frag, query, param
-if(preg_match('`^([^:?[@!$()*,=/\'\]]+?)(:|(58|x3a);|%3a|\\\\0{0,4}3a).`i', $p, $m) && !isset($c[strtolower($m[1])])){ // Denied prot
- return "{$b}{$d}{$p}{$a}";
-}
-if($C['abs_url']){
- if($C['abs_url'] == -1 && strpos($p, $C['base_url']) === 0){ // Make url rel
- $p = substr($p, strlen($C['base_url']));
- }elseif(empty($m[1])){ // Make URL abs
- if(substr($p, 0, 2) == '//'){$p = substr($C['base_url'], 0, strpos($C['base_url'], ':')+1). $p;}
- elseif($p[0] == '/'){$p = preg_replace('`(^.+?://[^/]+)(.*)`', '$1', $C['base_url']). $p;}
- elseif(strcspn($p, './')){$p = $C['base_url']. $p;}
- else{
- preg_match('`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`', $C['base_url'], $m);
- $p = preg_replace('`(?<=/)\./`', '', $m[2]. $p);
- while(preg_match('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', $p)){
- $p = preg_replace('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', '', $p);
- }
- $p = $m[1]. $p;
- }
- }
-}
-return "{$b}{$p}{$a}";
+ return isset($r[0]) ? $r : (isset($p['default']) ? $p['default'] : 0);
}
-function hl_regex($p){
-// check regex
-if(empty($p)){return 0;}
-if($v = function_exists('error_clear_last') && function_exists('error_get_last')){error_clear_last();}
-else{
- if($t = ini_get('track_errors')){$o = isset($php_errormsg) ? $php_errormsg : null;}
- else{ini_set('track_errors', 1);}
- unset($php_errormsg);
-}
-if(($d = ini_get('display_errors'))){ini_set('display_errors', 0);}
-preg_match($p, '');
-if($v){$r = error_get_last() == null ? 1 : 0; }
-else{
- $r = isset($php_errormsg) ? 0 : 1;
- if($t){$php_errormsg = isset($o) ? $o : null;}
- else{ini_set('track_errors', 0);}
-}
-if($d){ini_set('display_errors', 1);}
-return $r;
-}
+function hl_bal($t, $do = 1, $in = 'div')
+{
+ // balance tags
+ // by content
+ $cB = ['blockquote' => 1, 'form' => 1, 'map' => 1, 'noscript' => 1]; // Block
+ $cE = ['area' => 1, 'br' => 1, 'col' => 1, 'command' => 1, 'embed' => 1, 'hr' => 1, 'img' => 1, 'input' => 1, 'isindex' => 1, 'keygen' => 1, 'link' => 1, 'meta' => 1, 'param' => 1, 'source' => 1, 'track' => 1, 'wbr' => 1]; // Empty
+ $cF = ['a' => 1, 'article' => 1, 'aside' => 1, 'audio' => 1, 'button' => 1, 'canvas' => 1, 'del' => 1, 'details' => 1, 'div' => 1, 'dd' => 1, 'fieldset' => 1, 'figure' => 1, 'footer' => 1, 'header' => 1, 'iframe' => 1, 'ins' => 1, 'li' => 1, 'main' => 1, 'menu' => 1, 'nav' => 1, 'noscript' => 1, 'object' => 1, 'section' => 1, 'style' => 1, 'td' => 1, 'th' => 1, 'video' => 1]; // Flow; later context-wise dynamic move of ins & del to $cI
+ $cI = ['abbr' => 1, 'acronym' => 1, 'address' => 1, 'b' => 1, 'bdi' => 1, 'bdo' => 1, 'big' => 1, 'caption' => 1, 'cite' => 1, 'code' => 1, 'data' => 1, 'datalist' => 1, 'dfn' => 1, 'dt' => 1, 'em' => 1, 'figcaption' => 1, 'font' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'hgroup' => 1, 'i' => 1, 'kbd' => 1, 'label' => 1, 'legend' => 1, 'mark' => 1, 'meter' => 1, 'output' => 1, 'p' => 1, 'pre' => 1, 'progress' => 1, 'q' => 1, 'rb' => 1, 'rt' => 1, 's' => 1, 'samp' => 1, 'small' => 1, 'span' => 1, 'strike' => 1, 'strong' => 1, 'sub' => 1, 'summary' => 1, 'sup' => 1, 'time' => 1, 'tt' => 1, 'u' => 1, 'var' => 1]; // Inline
+ $cN = ['a' => ['a' => 1, 'address' => 1, 'button' => 1, 'details' => 1, 'embed' => 1, 'keygen' => 1, 'label' => 1, 'select' => 1, 'textarea' => 1], 'address' => ['address' => 1, 'article' => 1, 'aside' => 1, 'header' => 1, 'keygen' => 1, 'footer' => 1, 'nav' => 1, 'section' => 1], 'button' => ['a' => 1, 'address' => 1, 'button' => 1, 'details' => 1, 'embed' => 1, 'fieldset' => 1, 'form' => 1, 'iframe' => 1, 'input' => 1, 'keygen' => 1, 'label' => 1, 'select' => 1, 'textarea' => 1], 'fieldset' => ['fieldset' => 1], 'footer' => ['header' => 1, 'footer' => 1], 'form' => ['form' => 1], 'header' => ['header' => 1, 'footer' => 1], 'label' => ['label' => 1], 'main' => ['main' => 1], 'meter' => ['meter' => 1], 'noscript' => ['script' => 1], 'pre' => ['big' => 1, 'font' => 1, 'img' => 1, 'object' => 1, 'script' => 1, 'small' => 1, 'sub' => 1, 'sup' => 1], 'progress' => ['progress' => 1], 'rb' => ['ruby' => 1], 'rt' => ['ruby' => 1], 'time' => ['time' => 1]]; // Illegal
+ $cN2 = array_keys($cN);
+ $cS = ['colgroup' => ['col' => 1], 'datalist' => ['option' => 1], 'dir' => ['li' => 1], 'dl' => ['dd' => 1, 'dt' => 1], 'hgroup' => ['h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1], 'menu' => ['li' => 1], 'ol' => ['li' => 1], 'optgroup' => ['option' => 1], 'option' => ['#pcdata' => 1], 'rbc' => ['rb' => 1], 'rp' => ['#pcdata' => 1], 'rtc' => ['rt' => 1], 'ruby' => ['rb' => 1, 'rbc' => 1, 'rp' => 1, 'rt' => 1, 'rtc' => 1, '#pcdata' => 1], 'select' => ['optgroup' => 1, 'option' => 1], 'script' => ['#pcdata' => 1], 'table' => ['caption' => 1, 'col' => 1, 'colgroup' => 1, 'tfoot' => 1, 'tbody' => 1, 'tr' => 1, 'thead' => 1], 'tbody' => ['tr' => 1], 'tfoot' => ['tr' => 1], 'textarea' => ['#pcdata' => 1], 'thead' => ['tr' => 1], 'tr' => ['td' => 1, 'th' => 1], 'ul' => ['li' => 1]]; // Specific - immediate parent-child
+ if ($GLOBALS['C']['direct_list_nest']) {
+ $cS['ol'] = $cS['ul'] = $cS['menu'] += ['menu' => 1, 'ol' => 1, 'ul' => 1];
+ }
+ $cO = ['address' => ['p' => 1], 'applet' => ['param' => 1], 'audio' => ['source' => 1, 'track' => 1], 'blockquote' => ['script' => 1], 'details' => ['summary' => 1], 'fieldset' => ['legend' => 1, '#pcdata' => 1], 'figure' => ['figcaption' => 1], 'form' => ['script' => 1], 'map' => ['area' => 1], 'object' => ['param' => 1, 'embed' => 1], 'video' => ['source' => 1, 'track' => 1]]; // Other
+ $cT = ['colgroup' => 1, 'dd' => 1, 'dt' => 1, 'li' => 1, 'option' => 1, 'p' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1]; // Omitable closing
+ // block/inline type; a/ins/del both type; #pcdata: text
+ $eB = ['a' => 1, 'address' => 1, 'article' => 1, 'aside' => 1, 'blockquote' => 1, 'center' => 1, 'del' => 1, 'details' => 1, 'dir' => 1, 'dl' => 1, 'div' => 1, 'fieldset' => 1, 'figure' => 1, 'footer' => 1, 'form' => 1, 'ins' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'header' => 1, 'hr' => 1, 'isindex' => 1, 'main' => 1, 'menu' => 1, 'nav' => 1, 'noscript' => 1, 'ol' => 1, 'p' => 1, 'pre' => 1, 'section' => 1, 'style' => 1, 'table' => 1, 'ul' => 1];
+ $eI = ['#pcdata' => 1, 'a' => 1, 'abbr' => 1, 'acronym' => 1, 'applet' => 1, 'audio' => 1, 'b' => 1, 'bdi' => 1, 'bdo' => 1, 'big' => 1, 'br' => 1, 'button' => 1, 'canvas' => 1, 'cite' => 1, 'code' => 1, 'command' => 1, 'data' => 1, 'datalist' => 1, 'del' => 1, 'dfn' => 1, 'em' => 1, 'embed' => 1, 'figcaption' => 1, 'font' => 1, 'i' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'ins' => 1, 'kbd' => 1, 'label' => 1, 'link' => 1, 'map' => 1, 'mark' => 1, 'meta' => 1, 'meter' => 1, 'object' => 1, 'output' => 1, 'progress' => 1, 'q' => 1, 'ruby' => 1, 's' => 1, 'samp' => 1, 'select' => 1, 'script' => 1, 'small' => 1, 'span' => 1, 'strike' => 1, 'strong' => 1, 'sub' => 1, 'summary' => 1, 'sup' => 1, 'textarea' => 1, 'time' => 1, 'tt' => 1, 'u' => 1, 'var' => 1, 'video' => 1, 'wbr' => 1];
+ $eN = ['a' => 1, 'address' => 1, 'article' => 1, 'aside' => 1, 'big' => 1, 'button' => 1, 'details' => 1, 'embed' => 1, 'fieldset' => 1, 'font' => 1, 'footer' => 1, 'form' => 1, 'header' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'keygen' => 1, 'label' => 1, 'meter' => 1, 'nav' => 1, 'object' => 1, 'progress' => 1, 'ruby' => 1, 'script' => 1, 'select' => 1, 'small' => 1, 'sub' => 1, 'sup' => 1, 'textarea' => 1, 'time' => 1]; // Exclude from specific ele; $cN values
+ $eO = ['area' => 1, 'caption' => 1, 'col' => 1, 'colgroup' => 1, 'command' => 1, 'dd' => 1, 'dt' => 1, 'hgroup' => 1, 'keygen' => 1, 'legend' => 1, 'li' => 1, 'optgroup' => 1, 'option' => 1, 'param' => 1, 'rb' => 1, 'rbc' => 1, 'rp' => 1, 'rt' => 1, 'rtc' => 1, 'script' => 1, 'source' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'thead' => 1, 'th' => 1, 'tr' => 1, 'track' => 1]; // Missing in $eB & $eI
+ $eF = $eB + $eI;
-function hl_spec($t){
-// final $spec
-$s = array();
-if(!function_exists('hl_aux1')){function hl_aux1($m){
- return substr(str_replace(array(";", "|", "~", " ", ",", "/", "(", ")", '`"'), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", '"'), $m[0]), 1, -1);
-}}
-$t = str_replace(array("\t", "\r", "\n", ' '), '', preg_replace_callback('/"(?>(`.|[^"])*)"/sm', 'hl_aux1', trim($t)));
-for($i = count(($t = explode(';', $t))); --$i>=0;){
- $w = $t[$i];
- if(empty($w) or ($e = strpos($w, '=')) === false or !strlen(($a = substr($w, $e+1)))){continue;}
- $y = $n = array();
- foreach(explode(',', $a) as $v){
- if(!preg_match('`^([a-z:\-\*]+)(?:\((.*?)\))?`i', $v, $m)){continue;}
- if(($x = strtolower($m[1])) == '-*'){$n['*'] = 1; continue;}
- if($x[0] == '-'){$n[substr($x, 1)] = 1; continue;}
- if(!isset($m[2])){$y[$x] = 1; continue;}
- foreach(explode('/', $m[2]) as $m){
- if(empty($m) or ($p = strpos($m, '=')) == 0 or $p < 5){$y[$x] = 1; continue;}
- $y[$x][strtolower(substr($m, 0, $p))] = str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08"), array(";", "|", "~", " ", ",", "/", "(", ")"), substr($m, $p+1));
- }
- if(isset($y[$x]['match']) && !hl_regex($y[$x]['match'])){unset($y[$x]['match']);}
- if(isset($y[$x]['nomatch']) && !hl_regex($y[$x]['nomatch'])){unset($y[$x]['nomatch']);}
- }
- if(!count($y) && !count($n)){continue;}
- foreach(explode(',', substr($w, 0, $e)) as $v){
- if(!strlen(($v = strtolower($v)))){continue;}
- if(count($y)){if(!isset($s[$v])){$s[$v] = $y;} else{$s[$v] = array_merge($s[$v], $y);}}
- if(count($n)){if(!isset($s[$v]['n'])){$s[$v]['n'] = $n;} else{$s[$v]['n'] = array_merge($s[$v]['n'], $n);}}
- }
-}
-return $s;
-}
+ // $in sets allowed child
+ $in = ((isset($eF[$in]) && '#pcdata' !== $in) || isset($eO[$in])) ? $in : 'div';
+ if (isset($cE[$in])) {
+ return !$do ? '' : str_replace(['<', '>'], ['<', '>'], $t);
+ }
+ if (isset($cS[$in])) {
+ $inOk = $cS[$in];
+ } elseif (isset($cI[$in])) {
+ $inOk = $eI;
+ $cI['del'] = 1;
+ $cI['ins'] = 1;
+ } elseif (isset($cF[$in])) {
+ $inOk = $eF;
+ unset($cI['del'], $cI['ins']);
+ } elseif (isset($cB[$in])) {
+ $inOk = $eB;
+ unset($cI['del'], $cI['ins']);
+ }
+ if (isset($cO[$in])) {
+ $inOk = $inOk + $cO[$in];
+ }
+ if (isset($cN[$in])) {
+ $inOk = array_diff_assoc($inOk, $cN[$in]);
+ }
-function hl_tag($t){
-// tag/attribute handler
-global $C;
-$t = $t[0];
-// invalid < >
-if($t == '< '){return '< ';}
-if($t == '>'){return '>';}
-if(!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m', $t, $m)){
- return str_replace(array('<', '>'), array('<', '>'), $t);
-}elseif(!isset($C['elements'][($e = strtolower($m[2]))])){
- return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('<', '>'), $t) : '');
-}
-// attr string
-$a = str_replace(array("\n", "\r", "\t"), ' ', trim($m[3]));
-// tag transform
-static $eD = array('acronym'=>1, 'applet'=>1, 'big'=>1, 'center'=>1, 'dir'=>1, 'font'=>1, 'isindex'=>1, 's'=>1, 'strike'=>1, 'tt'=>1); // Deprecated
-if($C['make_tag_strict'] && isset($eD[$e])){
- $trt = hl_tag2($e, $a, $C['make_tag_strict']);
- if(!$e){return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('<', '>'), $t) : '');}
-}
-// close tag
-static $eE = array('area'=>1, 'br'=>1, 'col'=>1, 'command'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'keygen'=>1, 'link'=>1, 'meta'=>1, 'param'=>1, 'source'=>1, 'track'=>1, 'wbr'=>1); // Empty ele
-if(!empty($m[1])){
- return (!isset($eE[$e]) ? (empty($C['hook_tag']) ? "$e>" : $C['hook_tag']($e)) : (($C['keep_bad'])%2 ? str_replace(array('<', '>'), array('<', '>'), $t) : ''));
-}
+ $t = explode('<', $t);
+ $ok = $q = []; // $q seq list of open non-empty ele
+ ob_start();
-// open tag & attr
-static $aN = array('abbr'=>array('td'=>1, 'th'=>1), 'accept'=>array('form'=>1, 'input'=>1), 'accept-charset'=>array('form'=>1), 'action'=>array('form'=>1), 'align'=>array('applet'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'div'=>1, 'embed'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'allowfullscreen'=>array('iframe'=>1), 'alt'=>array('applet'=>1, 'area'=>1, 'img'=>1, 'input'=>1), 'archive'=>array('applet'=>1, 'object'=>1), 'async'=>array('script'=>1), 'autocomplete'=>array('form'=>1, 'input'=>1), 'autofocus'=>array('button'=>1, 'input'=>1, 'keygen'=>1, 'select'=>1, 'textarea'=>1), 'autoplay'=>array('audio'=>1, 'video'=>1), 'axis'=>array('td'=>1, 'th'=>1), 'bgcolor'=>array('embed'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('img'=>1, 'object'=>1, 'table'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellpadding'=>array('table'=>1), 'cellspacing'=>array('table'=>1), 'challenge'=>array('keygen'=>1), 'char'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charoff'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charset'=>array('a'=>1, 'script'=>1), 'checked'=>array('command'=>1, 'input'=>1), 'cite'=>array('blockquote'=>1, 'del'=>1, 'ins'=>1, 'q'=>1), 'classid'=>array('object'=>1), 'clear'=>array('br'=>1), 'code'=>array('applet'=>1), 'codebase'=>array('applet'=>1, 'object'=>1), 'codetype'=>array('object'=>1), 'color'=>array('font'=>1), 'cols'=>array('textarea'=>1), 'colspan'=>array('td'=>1, 'th'=>1), 'compact'=>array('dir'=>1, 'dl'=>1, 'menu'=>1, 'ol'=>1, 'ul'=>1), 'content'=>array('meta'=>1), 'controls'=>array('audio'=>1, 'video'=>1), 'coords'=>array('a'=>1, 'area'=>1), 'crossorigin'=>array('img'=>1), 'data'=>array('object'=>1), 'datetime'=>array('del'=>1, 'ins'=>1, 'time'=>1), 'declare'=>array('object'=>1), 'default'=>array('track'=>1), 'defer'=>array('script'=>1), 'dirname'=>array('input'=>1, 'textarea'=>1), 'disabled'=>array('button'=>1, 'command'=>1, 'fieldset'=>1, 'input'=>1, 'keygen'=>1, 'optgroup'=>1, 'option'=>1, 'select'=>1, 'textarea'=>1), 'download'=>array('a'=>1), 'enctype'=>array('form'=>1), 'face'=>array('font'=>1), 'flashvars'=>array('embed'=>1), 'for'=>array('label'=>1, 'output'=>1), 'form'=>array('button'=>1, 'fieldset'=>1, 'input'=>1, 'keygen'=>1, 'label'=>1, 'object'=>1, 'output'=>1, 'select'=>1, 'textarea'=>1), 'formaction'=>array('button'=>1, 'input'=>1), 'formenctype'=>array('button'=>1, 'input'=>1), 'formmethod'=>array('button'=>1, 'input'=>1), 'formnovalidate'=>array('button'=>1, 'input'=>1), 'formtarget'=>array('button'=>1, 'input'=>1), 'frame'=>array('table'=>1), 'frameborder'=>array('iframe'=>1), 'headers'=>array('td'=>1, 'th'=>1), 'height'=>array('applet'=>1, 'canvas'=>1, 'embed'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'td'=>1, 'th'=>1, 'video'=>1), 'high'=>array('meter'=>1), 'href'=>array('a'=>1, 'area'=>1, 'link'=>1), 'hreflang'=>array('a'=>1, 'area'=>1, 'link'=>1), 'hspace'=>array('applet'=>1, 'embed'=>1, 'img'=>1, 'object'=>1), 'icon'=>array('command'=>1), 'ismap'=>array('img'=>1, 'input'=>1), 'keyparams'=>array('keygen'=>1), 'keytype'=>array('keygen'=>1), 'kind'=>array('track'=>1), 'label'=>array('command'=>1, 'menu'=>1, 'option'=>1, 'optgroup'=>1, 'track'=>1), 'language'=>array('script'=>1), 'list'=>array('input'=>1), 'longdesc'=>array('img'=>1, 'iframe'=>1), 'loop'=>array('audio'=>1, 'video'=>1), 'low'=>array('meter'=>1), 'marginheight'=>array('iframe'=>1), 'marginwidth'=>array('iframe'=>1), 'max'=>array('input'=>1, 'meter'=>1, 'progress'=>1), 'maxlength'=>array('input'=>1, 'textarea'=>1), 'media'=>array('a'=>1, 'area'=>1, 'link'=>1, 'source'=>1, 'style'=>1), 'mediagroup'=>array('audio'=>1, 'video'=>1), 'method'=>array('form'=>1), 'min'=>array('input'=>1, 'meter'=>1), 'model'=>array('embed'=>1), 'multiple'=>array('input'=>1, 'select'=>1), 'muted'=>array('audio'=>1, 'video'=>1), 'name'=>array('a'=>1, 'applet'=>1, 'button'=>1, 'embed'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'keygen'=>1, 'map'=>1, 'object'=>1, 'output'=>1, 'param'=>1, 'select'=>1, 'textarea'=>1), 'nohref'=>array('area'=>1), 'noshade'=>array('hr'=>1), 'novalidate'=>array('form'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'object'=>array('applet'=>1), 'open'=>array('details'=>1), 'optimum'=>array('meter'=>1), 'pattern'=>array('input'=>1), 'ping'=>array('a'=>1, 'area'=>1), 'placeholder'=>array('input'=>1, 'textarea'=>1), 'pluginspage'=>array('embed'=>1), 'pluginurl'=>array('embed'=>1), 'poster'=>array('video'=>1), 'pqg'=>array('keygen'=>1), 'preload'=>array('audio'=>1, 'video'=>1), 'prompt'=>array('isindex'=>1), 'pubdate'=>array('time'=>1), 'radiogroup'=>array('command'=>1), 'readonly'=>array('input'=>1, 'textarea'=>1), 'referrerpolicy' => array('a'=>1,'area'=>1,'img'=>1,'iframe'=>1,'link'=>1), 'rel'=>array('a'=>1, 'area'=>1, 'link'=>1), 'required'=>array('input'=>1, 'select'=>1, 'textarea'=>1), 'rev'=>array('a'=>1), 'reversed'=>array('ol'=>1), 'rows'=>array('textarea'=>1), 'rowspan'=>array('td'=>1, 'th'=>1), 'rules'=>array('table'=>1), 'sandbox'=>array('iframe'=>1), 'scope'=>array('td'=>1, 'th'=>1), 'scoped'=>array('style'=>1), 'scrolling'=>array('iframe'=>1), 'seamless'=>array('iframe'=>1), 'selected'=>array('option'=>1), 'shape'=>array('a'=>1, 'area'=>1), 'size'=>array('font'=>1, 'hr'=>1, 'input'=>1, 'select'=>1), 'sizes'=>array('link'=>1), 'span'=>array('col'=>1, 'colgroup'=>1), 'src'=>array('audio'=>1, 'embed'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'script'=>1, 'source'=>1, 'track'=>1, 'video'=>1), 'srcdoc'=>array('iframe'=>1), 'srclang'=>array('track'=>1), 'srcset'=>array('img'=>1), 'standby'=>array('object'=>1), 'start'=>array('ol'=>1), 'step'=>array('input'=>1), 'summary'=>array('table'=>1), 'target'=>array('a'=>1, 'area'=>1, 'form'=>1), 'type'=>array('a'=>1, 'area'=>1, 'button'=>1, 'command'=>1, 'embed'=>1, 'input'=>1, 'li'=>1, 'link'=>1, 'menu'=>1, 'object'=>1, 'ol'=>1, 'param'=>1, 'script'=>1, 'source'=>1, 'style'=>1, 'ul'=>1), 'typemustmatch'=>array('object'=>1), 'usemap'=>array('img'=>1, 'input'=>1, 'object'=>1), 'valign'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'value'=>array('button'=>1, 'data'=>1, 'input'=>1, 'li'=>1, 'meter'=>1, 'option'=>1, 'param'=>1, 'progress'=>1), 'valuetype'=>array('param'=>1), 'vspace'=>array('applet'=>1, 'embed'=>1, 'img'=>1, 'object'=>1), 'width'=>array('applet'=>1, 'canvas'=>1, 'col'=>1, 'colgroup'=>1, 'embed'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'pre'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'video'=>1), 'wmode'=>array('embed'=>1), 'wrap'=>array('textarea'=>1)); // Ele-specific
-static $aNA = array('aria-activedescendant'=>1, 'aria-atomic'=>1, 'aria-autocomplete'=>1, 'aria-busy'=>1, 'aria-checked'=>1, 'aria-controls'=>1, 'aria-describedby'=>1, 'aria-disabled'=>1, 'aria-dropeffect'=>1, 'aria-expanded'=>1, 'aria-flowto'=>1, 'aria-grabbed'=>1, 'aria-haspopup'=>1, 'aria-hidden'=>1, 'aria-invalid'=>1, 'aria-label'=>1, 'aria-labelledby'=>1, 'aria-level'=>1, 'aria-live'=>1, 'aria-multiline'=>1, 'aria-multiselectable'=>1, 'aria-orientation'=>1, 'aria-owns'=>1, 'aria-posinset'=>1, 'aria-pressed'=>1, 'aria-readonly'=>1, 'aria-relevant'=>1, 'aria-required'=>1, 'aria-selected'=>1, 'aria-setsize'=>1, 'aria-sort'=>1, 'aria-valuemax'=>1, 'aria-valuemin'=>1, 'aria-valuenow'=>1, 'aria-valuetext'=>1); // ARIA
-static $aNE = array('allowfullscreen'=>1, 'checkbox'=>1, 'checked'=>1, 'command'=>1, 'compact'=>1, 'declare'=>1, 'defer'=>1, 'default'=>1, 'disabled'=>1, 'hidden'=>1, 'inert'=>1, 'ismap'=>1, 'itemscope'=>1, 'multiple'=>1, 'nohref'=>1, 'noresize'=>1, 'noshade'=>1, 'nowrap'=>1, 'open'=>1, 'radio'=>1, 'readonly'=>1, 'required'=>1, 'reversed'=>1, 'selected'=>1); // Empty
-static $aNO = array('onabort'=>1, 'onblur'=>1, 'oncanplay'=>1, 'oncanplaythrough'=>1, 'onchange'=>1, 'onclick'=>1, 'oncontextmenu'=>1, 'oncopy'=>1, 'oncuechange'=>1, 'oncut'=>1, 'ondblclick'=>1, 'ondrag'=>1, 'ondragend'=>1, 'ondragenter'=>1, 'ondragleave'=>1, 'ondragover'=>1, 'ondragstart'=>1, 'ondrop'=>1, 'ondurationchange'=>1, 'onemptied'=>1, 'onended'=>1, 'onerror'=>1, 'onfocus'=>1, 'onformchange'=>1, 'onforminput'=>1, 'oninput'=>1, 'oninvalid'=>1, 'onkeydown'=>1, 'onkeypress'=>1, 'onkeyup'=>1, 'onload'=>1, 'onloadeddata'=>1, 'onloadedmetadata'=>1, 'onloadstart'=>1, 'onlostpointercapture'=>1, 'onmousedown'=>1, 'onmousemove'=>1, 'onmouseout'=>1, 'onmouseover'=>1, 'onmouseup'=>1, 'onmousewheel'=>1, 'onpaste'=>1, 'onpause'=>1, 'onplay'=>1, 'onplaying'=>1, 'onpointercancel'=>1, 'ongotpointercapture'=>1, 'onpointerdown'=>1, 'onpointerenter'=>1, 'onpointerleave'=>1, 'onpointermove'=>1, 'onpointerout'=>1, 'onpointerover'=>1, 'onpointerup'=>1, 'onprogress'=>1, 'onratechange'=>1, 'onreadystatechange'=>1, 'onreset'=>1, 'onsearch'=>1, 'onscroll'=>1, 'onseeked'=>1, 'onseeking'=>1, 'onselect'=>1, 'onshow'=>1, 'onstalled'=>1, 'onsubmit'=>1, 'onsuspend'=>1, 'ontimeupdate'=>1, 'ontoggle'=>1, 'ontouchcancel'=>1, 'ontouchend'=>1, 'ontouchmove'=>1, 'ontouchstart'=>1, 'onvolumechange'=>1, 'onwaiting'=>1, 'onwheel'=>1); // Event
-static $aNP = array('action'=>1, 'cite'=>1, 'classid'=>1, 'codebase'=>1, 'data'=>1, 'href'=>1, 'itemtype'=>1, 'longdesc'=>1, 'model'=>1, 'pluginspage'=>1, 'pluginurl'=>1, 'src'=>1, 'srcset'=>1, 'usemap'=>1); // Need scheme check; excludes style, on*
-static $aNU = array('accesskey'=>1, 'class'=>1, 'contenteditable'=>1, 'contextmenu'=>1, 'dir'=>1, 'draggable'=>1, 'dropzone'=>1, 'hidden'=>1, 'id'=>1, 'inert'=>1, 'itemid'=>1, 'itemprop'=>1, 'itemref'=>1, 'itemscope'=>1, 'itemtype'=>1, 'lang'=>1, 'role'=>1, 'spellcheck'=>1, 'style'=>1, 'tabindex'=>1, 'title'=>1, 'translate'=>1, 'xmlns'=>1, 'xml:base'=>1, 'xml:lang'=>1, 'xml:space'=>1); // Univ; excludes on*, aria*
-
-if($C['lc_std_val']){
- // predef attr vals for $eAL & $aNE ele
- static $aNL = array('all'=>1, 'auto'=>1, 'baseline'=>1, 'bottom'=>1, 'button'=>1, 'captions'=>1, 'center'=>1, 'chapters'=>1, 'char'=>1, 'checkbox'=>1, 'circle'=>1, 'col'=>1, 'colgroup'=>1, 'color'=>1, 'cols'=>1, 'data'=>1, 'date'=>1, 'datetime'=>1, 'datetime-local'=>1, 'default'=>1, 'descriptions'=>1, 'email'=>1, 'file'=>1, 'get'=>1, 'groups'=>1, 'hidden'=>1, 'image'=>1, 'justify'=>1, 'left'=>1, 'ltr'=>1, 'metadata'=>1, 'middle'=>1, 'month'=>1, 'none'=>1, 'number'=>1, 'object'=>1, 'password'=>1, 'poly'=>1, 'post'=>1, 'preserve'=>1, 'radio'=>1, 'range'=>1, 'rect'=>1, 'ref'=>1, 'reset'=>1, 'right'=>1, 'row'=>1, 'rowgroup'=>1, 'rows'=>1, 'rtl'=>1, 'search'=>1, 'submit'=>1, 'subtitles'=>1, 'tel'=>1, 'text'=>1, 'time'=>1, 'top'=>1, 'url'=>1, 'week'=>1);
- static $eAL = array('a'=>1, 'area'=>1, 'bdo'=>1, 'button'=>1, 'col'=>1, 'fieldset'=>1, 'form'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'track'=>1, 'xml:space'=>1);
- $lcase = isset($eAL[$e]) ? 1 : 0;
-}
+ for ($i = -1, $ci = count($t); ++$i < $ci;) {
+ // allowed $ok in parent $p
+ if ($ql = count($q)) {
+ $p = array_pop($q);
+ $q[] = $p;
+ if (isset($cS[$p])) {
+ $ok = $cS[$p];
+ } elseif (isset($cI[$p])) {
+ $ok = $eI;
+ $cI['del'] = 1;
+ $cI['ins'] = 1;
+ } elseif (isset($cF[$p])) {
+ $ok = $eF;
+ unset($cI['del'], $cI['ins']);
+ } elseif (isset($cB[$p])) {
+ $ok = $eB;
+ unset($cI['del'], $cI['ins']);
+ }
+ if (isset($cO[$p])) {
+ $ok = $ok + $cO[$p];
+ }
+ if (isset($cN[$p])) {
+ $ok = array_diff_assoc($ok, $cN[$p]);
+ }
+ } else {
+ $ok = $inOk;
+ unset($cI['del'], $cI['ins']);
+ }
+ // bad tags, & ele content
+ if (isset($e) && (1 === $do || (isset($ok['#pcdata']) && (3 === $do || 5 === $do)))) {
+ echo '<', $s, $e, $a, '>';
+ }
+ if (isset($x[0])) {
+ if (strlen(trim($x)) && (($ql && isset($cB[$p])) || (isset($cB[$in]) && !$ql))) {
+ echo '', $x, '
';
+ } elseif ($do < 3 || isset($ok['#pcdata'])) {
+ echo $x;
+ } elseif (strpos($x, "\x02\x04")) {
+ foreach (preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY) as $v) {
+ echo "\x01\x02" === substr($v, 0, 2) ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : '');
+ }
+ } elseif ($do > 4) {
+ echo preg_replace('`\S`', '', $x);
+ }
+ }
+ // get markup
+ if (!preg_match('`^(/?)([a-z1-6]+)([^>]*)>(.*)`sm', $t[$i], $r)) {
+ $x = $t[$i];
+ continue;
+ }
+ $s = null;
+ $e = null;
+ $a = null;
+ $x = null;
+ list($all, $s, $e, $a, $x) = $r;
+ // close tag
+ if ($s) {
+ if (isset($cE[$e]) || !in_array($e, $q, true)) {
+ continue;
+ } // Empty/unopen
+ if ($p === $e) {
+ array_pop($q);
+ echo '', $e, '>';
+ unset($e);
+ continue;
+ } // Last open
+ $add = ''; // Nesting - close open tags that need to be
+ for ($j = -1, $cj = count($q); ++$j < $cj;) {
+ if (($d = array_pop($q)) === $e) {
+ break;
+ }
+ $add .= "{$d}>";
+ }
+ echo $add, '', $e, '>';
+ unset($e);
+ continue;
+ }
+ // open tag
+ // $cB ele needs $eB ele as child
+ if (isset($cB[$e]) && strlen(trim($x))) {
+ $t[$i] = "{$e}{$a}>";
+ array_splice($t, $i + 1, 0, 'div>' . $x);
+ unset($e, $x);
+ ++$ci;
+ --$i;
+ continue;
+ }
+ if ((($ql && isset($cB[$p])) || (isset($cB[$in]) && !$ql)) && !isset($eB[$e]) && !isset($ok[$e])) {
+ array_splice($t, $i, 0, 'div>');
+ unset($e, $x);
+ ++$ci;
+ --$i;
+ continue;
+ }
+ // if no open ele, $in = parent; mostly immediate parent-child relation should hold
+ if (!$ql || !isset($eN[$e]) || !array_intersect($q, $cN2)) {
+ if (!isset($ok[$e])) {
+ if ($ql && isset($cT[$p])) {
+ echo '', array_pop($q), '>';
+ unset($e, $x);
+ --$i;
+ }
+ continue;
+ }
+ if (!isset($cE[$e])) {
+ $q[] = $e;
+ }
+ echo '<', $e, $a, '>';
+ unset($e);
+ continue;
+ }
+ // specific parent-child
+ if (isset($cS[$p][$e])) {
+ if (!isset($cE[$e])) {
+ $q[] = $e;
+ }
+ echo '<', $e, $a, '>';
+ unset($e);
+ continue;
+ }
+ // nesting
+ $add = '';
+ $q2 = [];
+ for ($k = -1, $kc = count($q); ++$k < $kc;) {
+ $d = $q[$k];
+ $ok2 = [];
+ if (isset($cS[$d])) {
+ $q2[] = $d;
+ continue;
+ }
+ $ok2 = isset($cI[$d]) ? $eI : $eF;
+ if (isset($cO[$d])) {
+ $ok2 = $ok2 + $cO[$d];
+ }
+ if (isset($cN[$d])) {
+ $ok2 = array_diff_assoc($ok2, $cN[$d]);
+ }
+ if (!isset($ok2[$e])) {
+ if (!$k && !isset($inOk[$e])) {
+ continue 2;
+ }
+ $add = "{$d}>";
+ for (; ++$k < $kc;) {
+ $add = "{$q[$k]}>{$add}";
+ }
+ break;
+ }
+ $q2[] = $d;
+ }
+ $q = $q2;
+ if (!isset($cE[$e])) {
+ $q[] = $e;
+ }
+ echo $add, '<', $e, $a, '>';
+ unset($e);
+ continue;
+ }
-$depTr = 0;
-if($C['no_deprecated_attr']){
- // depr attr:applicable ele
- static $aND = array('align'=>array('caption'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1), 'bgcolor'=>array('table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellspacing'=>array('table'=>1), 'clear'=>array('br'=>1), 'compact'=>array('dl'=>1, 'ol'=>1, 'ul'=>1), 'height'=>array('td'=>1, 'th'=>1), 'hspace'=>array('img'=>1, 'object'=>1), 'language'=>array('script'=>1), 'name'=>array('a'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'map'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'size'=>array('hr'=>1), 'vspace'=>array('img'=>1, 'object'=>1), 'width'=>array('hr'=>1, 'pre'=>1, 'table'=>1, 'td'=>1, 'th'=>1));
- static $eAD = array('a'=>1, 'br'=>1, 'caption'=>1, 'div'=>1, 'dl'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'map'=>1, 'object'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'script'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1, 'ul'=>1);
- $depTr = isset($eAD[$e]) ? 1 : 0;
-}
+ // end
+ if ($ql = count($q)) {
+ $p = array_pop($q);
+ $q[] = $p;
+ if (isset($cS[$p])) {
+ $ok = $cS[$p];
+ } elseif (isset($cI[$p])) {
+ $ok = $eI;
+ $cI['del'] = 1;
+ $cI['ins'] = 1;
+ } elseif (isset($cF[$p])) {
+ $ok = $eF;
+ unset($cI['del'], $cI['ins']);
+ } elseif (isset($cB[$p])) {
+ $ok = $eB;
+ unset($cI['del'], $cI['ins']);
+ }
+ if (isset($cO[$p])) {
+ $ok = $ok + $cO[$p];
+ }
+ if (isset($cN[$p])) {
+ $ok = array_diff_assoc($ok, $cN[$p]);
+ }
+ } else {
+ $ok = $inOk;
+ unset($cI['del'], $cI['ins']);
+ }
+ if (isset($e) && (1 === $do || (isset($ok['#pcdata']) && (3 === $do || 5 === $do)))) {
+ echo '<', $s, $e, $a, '>';
+ }
+ if (isset($x[0])) {
+ if (strlen(trim($x)) && (($ql && isset($cB[$p])) || (isset($cB[$in]) && !$ql))) {
+ echo '', $x, '
';
+ } elseif ($do < 3 || isset($ok['#pcdata'])) {
+ echo $x;
+ } elseif (strpos($x, "\x02\x04")) {
+ foreach (preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY) as $v) {
+ echo "\x01\x02" === substr($v, 0, 2) ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : '');
+ }
+ } elseif ($do > 4) {
+ echo preg_replace('`\S`', '', $x);
+ }
+ }
+ while (!empty($q) && ($e = array_pop($q))) {
+ echo '', $e, '>';
+ }
+ $o = ob_get_contents();
+ ob_end_clean();
-// attr name-vals
-if(strpos($a, "\x01") !== false){$a = preg_replace('`\x01[^\x01]*\x01`', '', $a);} // No comment/CDATA sec
-$mode = 0; $a = trim($a, ' /'); $aA = array();
-while(strlen($a)){
- $w = 0;
- switch($mode){
- case 0: // Name
- if(preg_match('`^[a-zA-Z][^\s=/]+`', $a, $m)){
- $nm = strtolower($m[0]);
- $w = $mode = 1; $a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
- }
- break; case 1:
- if($a[0] == '='){ // =
- $w = 1; $mode = 2; $a = ltrim($a, '= ');
- }else{ // No val
- $w = 1; $mode = 0; $a = ltrim($a);
- $aA[$nm] = '';
- }
- break; case 2: // Val
- if(preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`', $a, $m)){
- $a = ltrim($m[2]); $m = $m[1]; $w = 1; $mode = 0;
- $aA[$nm] = trim(str_replace('<', '<', ($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m));
- }
- break;
- }
- if($w == 0){ // Parse errs, deal with space, " & '
- $a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`', '', $a);
- $mode = 0;
- }
-}
-if($mode == 1){$aA[$nm] = '';}
-
-// clean attrs
-global $S;
-$rl = isset($S[$e]) ? $S[$e] : array();
-$a = array(); $nfr = 0; $d = $C['deny_attribute'];
-foreach($aA as $k=>$v){
- if(((isset($d['*']) ? isset($d[$k]) : !isset($d[$k])) && (isset($aN[$k][$e]) or isset($aNU[$k]) or (isset($aNO[$k]) && !isset($d['on*'])) or (isset($aNA[$k]) && !isset($d['aria*'])) or (!isset($d['data*']) && preg_match('`data-((?!xml)[^:]+$)`', $k))) && !isset($rl['n'][$k]) && !isset($rl['n']['*'])) or isset($rl[$k])){
- if(isset($aNE[$k])){$v = $k;}
- elseif(!empty($lcase) && (($e != 'button' or $e != 'input') or $k == 'type')){ // Rather loose but ?not cause issues
- $v = (isset($aNL[($v2 = strtolower($v))])) ? $v2 : $v;
- }
- if($k == 'style' && !$C['style_pass']){
- if(false !== strpos($v, '')){
- static $sC = array(' '=>' ', ' '=>' ', 'E'=>'e', 'E'=>'e', 'e'=>'e', 'e'=>'e', 'X'=>'x', 'X'=>'x', 'x'=>'x', 'x'=>'x', 'P'=>'p', 'P'=>'p', 'p'=>'p', 'p'=>'p', 'S'=>'s', 'S'=>'s', 's'=>'s', 's'=>'s', 'I'=>'i', 'I'=>'i', 'i'=>'i', 'i'=>'i', 'O'=>'o', 'O'=>'o', 'o'=>'o', 'o'=>'o', 'N'=>'n', 'N'=>'n', 'n'=>'n', 'n'=>'n', 'U'=>'u', 'U'=>'u', 'u'=>'u', 'u'=>'u', 'R'=>'r', 'R'=>'r', 'r'=>'r', 'r'=>'r', 'L'=>'l', 'L'=>'l', 'l'=>'l', 'l'=>'l', '('=>'(', '('=>'(', ')'=>')', ')'=>')', ' '=>':', ' '=>':', '"'=>'"', '"'=>'"', '''=>"'", '''=>"'", '/'=>'/', '/'=>'/', '*'=>'*', '*'=>'*', '\'=>'\\', '\'=>'\\');
- $v = strtr($v, $sC);
- }
- $v = preg_replace_callback('`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS', 'hl_prot', $v);
- $v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\S|(/|(%2f))(\*|(%2a))`i', ' ', $v)) : $v;
- }elseif(isset($aNP[$k]) or isset($aNO[$k])){
- $v = str_replace("", ' ', (strpos($v, '&') !== false ? str_replace(array('', '', ''), ' ', $v) : $v)); # double-quoted char: soft-hyphen; appears here as "" or hyphen or something else depending on viewing software
- if($k == 'srcset'){
- $v2 = '';
- $pattern = "/(?:[^\"'\s]+\s*(?:\d+w|\d+(?:\.\d+)?x)+)/";
- preg_match_all($pattern, $v, $matches);
- $matches = call_user_func_array('array_merge', $matches);
- foreach($matches as $k1=>$v1){
- $v1 = explode(' ', ltrim($v1), 2);
- $k1 = isset($v1[1]) ? trim($v1[1]) : '';
- $v1 = trim($v1[0]);
- if(isset($v1[0])){$v2 .= hl_prot($v1, $k). (empty($k1) ? '' : ' '. $k1). ', ';}
- }
- $v = trim($v2, ', ');
- }
- if($k == 'itemtype'){
- $v2 = '';
- foreach(explode(' ', $v) as $v1){
- if(isset($v1[0])){$v2 .= hl_prot($v1, $k). ' ';}
- }
- $v = trim($v2, ' ');
- }
- else{$v = hl_prot($v, $k);}
- if($k == 'href'){ // X-spam
- if($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0){
- $v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v);
- }elseif($C['anti_link_spam']){
- $r1 = $C['anti_link_spam'][1];
- if(!empty($r1) && preg_match($r1, $v)){continue;}
- $r0 = $C['anti_link_spam'][0];
- if(!empty($r0) && preg_match($r0, $v)){
- if(isset($a['rel'])){
- if(!preg_match('`\bnofollow\b`i', $a['rel'])){$a['rel'] .= ' nofollow';}
- }elseif(isset($aA['rel'])){
- if(!preg_match('`\bnofollow\b`i', $aA['rel'])){$nfr = 1;}
- }else{$a['rel'] = 'nofollow';}
- }
- }
- }
- }
- if(isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($k, $v, $rl[$k])) === 0){continue;}
- $a[$k] = str_replace('"', '"', $v);
- }
-}
-if($nfr){$a['rel'] = isset($a['rel']) ? $a['rel']. ' nofollow' : 'nofollow';}
-
-// rqd attr
-static $eAR = array('area'=>array('alt'=>'area'), 'bdo'=>array('dir'=>'ltr'), 'command'=>array('label'=>''), 'form'=>array('action'=>''), 'img'=>array('src'=>'', 'alt'=>'image'), 'map'=>array('name'=>''), 'optgroup'=>array('label'=>''), 'param'=>array('name'=>''), 'style'=>array('scoped'=>''), 'textarea'=>array('rows'=>'10', 'cols'=>'50'));
-if(isset($eAR[$e])){
- foreach($eAR[$e] as $k=>$v){
- if(!isset($a[$k])){$a[$k] = isset($v[0]) ? $v : $k;}
- }
+ return $o;
}
-// depr attr
-if($depTr){
- $c = array();
- foreach($a as $k=>$v){
- if($k == 'style' or !isset($aND[$k][$e])){continue;}
- $v = str_replace(array('\\', ':', ';', ''), '', $v);
- if($k == 'align'){
- unset($a['align']);
- if($e == 'img' && ($v == 'left' or $v == 'right')){$c[] = 'float: '. $v;}
- elseif(($e == 'div' or $e == 'table') && $v == 'center'){$c[] = 'margin: auto';}
- else{$c[] = 'text-align: '. $v;}
- }elseif($k == 'bgcolor'){
- unset($a['bgcolor']);
- $c[] = 'background-color: '. $v;
- }elseif($k == 'border'){
- unset($a['border']); $c[] = "border: {$v}px";
- }elseif($k == 'bordercolor'){
- unset($a['bordercolor']); $c[] = 'border-color: '. $v;
- }elseif($k == 'cellspacing'){
- unset($a['cellspacing']); $c[] = "border-spacing: {$v}px";
- }elseif($k == 'clear'){
- unset($a['clear']); $c[] = 'clear: '. ($v != 'all' ? $v : 'both');
- }elseif($k == 'compact'){
- unset($a['compact']); $c[] = 'font-size: 85%';
- }elseif($k == 'height' or $k == 'width'){
- unset($a[$k]); $c[] = $k. ': '. ($v[0] != '*' ? $v. (ctype_digit($v) ? 'px' : '') : 'auto');
- }elseif($k == 'hspace'){
- unset($a['hspace']); $c[] = "margin-left: {$v}px; margin-right: {$v}px";
- }elseif($k == 'language' && !isset($a['type'])){
- unset($a['language']);
- $a['type'] = 'text/'. strtolower($v);
- }elseif($k == 'name'){
- if($C['no_deprecated_attr'] == 2 or ($e != 'a' && $e != 'map')){unset($a['name']);}
- if(!isset($a['id']) && !preg_match('`\W`', $v)){$a['id'] = $v;}
- }elseif($k == 'noshade'){
- unset($a['noshade']); $c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
- }elseif($k == 'nowrap'){
- unset($a['nowrap']); $c[] = 'white-space: nowrap';
- }elseif($k == 'size'){
- unset($a['size']); $c[] = 'size: '. $v. 'px';
- }elseif($k == 'vspace'){
- unset($a['vspace']); $c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
- }
- }
- if(count($c)){
- $c = implode('; ', $c);
- $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $c. ';': $c. ';';
- }
-}
-// unique ID
-if($C['unique_ids'] && isset($a['id'])){
- if(preg_match('`\s`', ($id = $a['id'])) or (isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1)){unset($a['id']);
- }else{
- while(isset($GLOBALS['hl_Ids'][$id])){$id = $C['unique_ids']. $id;}
- $GLOBALS['hl_Ids'][($a['id'] = $id)] = 1;
- }
-}
-// xml:lang
-if($C['xml:lang'] && isset($a['lang'])){
- $a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
- if($C['xml:lang'] == 2){unset($a['lang']);}
-}
-// for transformed tag
-if(!empty($trt)){
- $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $trt : $trt;
-}
-// return with empty ele /
-if(empty($C['hook_tag'])){
- $aA = '';
- foreach($a as $k=>$v){$aA .= " {$k}=\"{$v}\"";}
- return "<{$e}{$aA}". (isset($eE[$e]) ? ' /' : ''). '>';
+function hl_cmtcd($t)
+{
+ // comment/CDATA sec handler
+ $t = $t[0];
+ global $C;
+ if (!($v = $C[$n = '-' === $t[3] ? 'comment' : 'cdata'])) {
+ return $t;
+ }
+ if (1 === $v) {
+ return '';
+ }
+ if ('comment' === $n && $v < 4) {
+ if (' ' !== substr(($t = preg_replace('`--+`', '-', substr($t, 4, -3))), -1)) {
+ $t .= ' ';
+ }
+ } else {
+ $t = substr($t, 1, -1);
+ }
+ $t = 2 === $v ? str_replace(['&', '<', '>'], ['&', '<', '>'], $t) : $t;
+
+ return str_replace(['&', '<', '>'], ["\x03", "\x04", "\x05"], ('comment' === $n ? "\x01\x02\x04!--$t--\x05\x02\x01" : "\x01\x01\x04$t\x05\x01\x01"));
}
-else{return $C['hook_tag']($e, $a);}
+
+function hl_ent($t)
+{
+ // entitity handler
+ global $C;
+ $t = $t[1];
+ static $U = ['quot' => 1, 'amp' => 1, 'lt' => 1, 'gt' => 1];
+ static $N = ['fnof' => '402', 'Alpha' => '913', 'Beta' => '914', 'Gamma' => '915', 'Delta' => '916', 'Epsilon' => '917', 'Zeta' => '918', 'Eta' => '919', 'Theta' => '920', 'Iota' => '921', 'Kappa' => '922', 'Lambda' => '923', 'Mu' => '924', 'Nu' => '925', 'Xi' => '926', 'Omicron' => '927', 'Pi' => '928', 'Rho' => '929', 'Sigma' => '931', 'Tau' => '932', 'Upsilon' => '933', 'Phi' => '934', 'Chi' => '935', 'Psi' => '936', 'Omega' => '937', 'alpha' => '945', 'beta' => '946', 'gamma' => '947', 'delta' => '948', 'epsilon' => '949', 'zeta' => '950', 'eta' => '951', 'theta' => '952', 'iota' => '953', 'kappa' => '954', 'lambda' => '955', 'mu' => '956', 'nu' => '957', 'xi' => '958', 'omicron' => '959', 'pi' => '960', 'rho' => '961', 'sigmaf' => '962', 'sigma' => '963', 'tau' => '964', 'upsilon' => '965', 'phi' => '966', 'chi' => '967', 'psi' => '968', 'omega' => '969', 'thetasym' => '977', 'upsih' => '978', 'piv' => '982', 'bull' => '8226', 'hellip' => '8230', 'prime' => '8242', 'Prime' => '8243', 'oline' => '8254', 'frasl' => '8260', 'weierp' => '8472', 'image' => '8465', 'real' => '8476', 'trade' => '8482', 'alefsym' => '8501', 'larr' => '8592', 'uarr' => '8593', 'rarr' => '8594', 'darr' => '8595', 'harr' => '8596', 'crarr' => '8629', 'lArr' => '8656', 'uArr' => '8657', 'rArr' => '8658', 'dArr' => '8659', 'hArr' => '8660', 'forall' => '8704', 'part' => '8706', 'exist' => '8707', 'empty' => '8709', 'nabla' => '8711', 'isin' => '8712', 'notin' => '8713', 'ni' => '8715', 'prod' => '8719', 'sum' => '8721', 'minus' => '8722', 'lowast' => '8727', 'radic' => '8730', 'prop' => '8733', 'infin' => '8734', 'ang' => '8736', 'and' => '8743', 'or' => '8744', 'cap' => '8745', 'cup' => '8746', 'int' => '8747', 'there4' => '8756', 'sim' => '8764', 'cong' => '8773', 'asymp' => '8776', 'ne' => '8800', 'equiv' => '8801', 'le' => '8804', 'ge' => '8805', 'sub' => '8834', 'sup' => '8835', 'nsub' => '8836', 'sube' => '8838', 'supe' => '8839', 'oplus' => '8853', 'otimes' => '8855', 'perp' => '8869', 'sdot' => '8901', 'lceil' => '8968', 'rceil' => '8969', 'lfloor' => '8970', 'rfloor' => '8971', 'lang' => '9001', 'rang' => '9002', 'loz' => '9674', 'spades' => '9824', 'clubs' => '9827', 'hearts' => '9829', 'diams' => '9830', 'apos' => '39', 'OElig' => '338', 'oelig' => '339', 'Scaron' => '352', 'scaron' => '353', 'Yuml' => '376', 'circ' => '710', 'tilde' => '732', 'ensp' => '8194', 'emsp' => '8195', 'thinsp' => '8201', 'zwnj' => '8204', 'zwj' => '8205', 'lrm' => '8206', 'rlm' => '8207', 'ndash' => '8211', 'mdash' => '8212', 'lsquo' => '8216', 'rsquo' => '8217', 'sbquo' => '8218', 'ldquo' => '8220', 'rdquo' => '8221', 'bdquo' => '8222', 'dagger' => '8224', 'Dagger' => '8225', 'permil' => '8240', 'lsaquo' => '8249', 'rsaquo' => '8250', 'euro' => '8364', 'nbsp' => '160', 'iexcl' => '161', 'cent' => '162', 'pound' => '163', 'curren' => '164', 'yen' => '165', 'brvbar' => '166', 'sect' => '167', 'uml' => '168', 'copy' => '169', 'ordf' => '170', 'laquo' => '171', 'not' => '172', 'shy' => '173', 'reg' => '174', 'macr' => '175', 'deg' => '176', 'plusmn' => '177', 'sup2' => '178', 'sup3' => '179', 'acute' => '180', 'micro' => '181', 'para' => '182', 'middot' => '183', 'cedil' => '184', 'sup1' => '185', 'ordm' => '186', 'raquo' => '187', 'frac14' => '188', 'frac12' => '189', 'frac34' => '190', 'iquest' => '191', 'Agrave' => '192', 'Aacute' => '193', 'Acirc' => '194', 'Atilde' => '195', 'Auml' => '196', 'Aring' => '197', 'AElig' => '198', 'Ccedil' => '199', 'Egrave' => '200', 'Eacute' => '201', 'Ecirc' => '202', 'Euml' => '203', 'Igrave' => '204', 'Iacute' => '205', 'Icirc' => '206', 'Iuml' => '207', 'ETH' => '208', 'Ntilde' => '209', 'Ograve' => '210', 'Oacute' => '211', 'Ocirc' => '212', 'Otilde' => '213', 'Ouml' => '214', 'times' => '215', 'Oslash' => '216', 'Ugrave' => '217', 'Uacute' => '218', 'Ucirc' => '219', 'Uuml' => '220', 'Yacute' => '221', 'THORN' => '222', 'szlig' => '223', 'agrave' => '224', 'aacute' => '225', 'acirc' => '226', 'atilde' => '227', 'auml' => '228', 'aring' => '229', 'aelig' => '230', 'ccedil' => '231', 'egrave' => '232', 'eacute' => '233', 'ecirc' => '234', 'euml' => '235', 'igrave' => '236', 'iacute' => '237', 'icirc' => '238', 'iuml' => '239', 'eth' => '240', 'ntilde' => '241', 'ograve' => '242', 'oacute' => '243', 'ocirc' => '244', 'otilde' => '245', 'ouml' => '246', 'divide' => '247', 'oslash' => '248', 'ugrave' => '249', 'uacute' => '250', 'ucirc' => '251', 'uuml' => '252', 'yacute' => '253', 'thorn' => '254', 'yuml' => '255'];
+ if ('#' !== $t[0]) {
+ return ($C['and_mark'] ? "\x06" : '&') . (isset($U[$t]) ? $t : (isset($N[$t]) ? (!$C['named_entity'] ? '#' . ($C['hexdec_entity'] > 1 ? 'x' . dechex($N[$t]) : $N[$t]) : $t) : 'amp;' . $t)) . ';';
+ }
+ if (($n = ctype_digit($t = substr($t, 1)) ? (int) $t : hexdec(substr($t, 1))) < 9 || ($n > 13 && $n < 32) || 11 === $n || 12 === $n || ($n > 126 && $n < 160 && 133 !== $n) || ($n > 55295 && ($n < 57344 || ($n > 64975 && $n < 64992) || 65534 === $n || 65535 === $n || $n > 1114111))) {
+ return ($C['and_mark'] ? "\x06" : '&') . "amp;#{$t};";
+ }
+
+ return ($C['and_mark'] ? "\x06" : '&') . '#' . (((ctype_digit($t) && $C['hexdec_entity'] < 2) || !$C['hexdec_entity']) ? $n : 'x' . dechex($n)) . ';';
}
-function hl_tag2(&$e, &$a, $t=1){
-// transform tag
-if($e == 'big'){$e = 'span'; return 'font-size: larger;';}
-if($e == 's' or $e == 'strike'){$e = 'span'; return 'text-decoration: line-through;';}
-if($e == 'tt'){$e = 'code'; return '';}
-if($e == 'center'){$e = 'div'; return 'text-align: center;';}
-static $fs = array('0'=>'xx-small', '1'=>'xx-small', '2'=>'small', '3'=>'medium', '4'=>'large', '5'=>'x-large', '6'=>'xx-large', '7'=>'300%', '-1'=>'smaller', '-2'=>'60%', '+1'=>'larger', '+2'=>'150%', '+3'=>'200%', '+4'=>'300%');
-if($e == 'font'){
- $a2 = '';
- while(preg_match('`(^|\s)(color|size)\s*=\s*(\'|")?(.+?)(\\3|\s|$)`i', $a, $m)){
- $a = str_replace($m[0], ' ', $a);
- $a2 .= strtolower($m[2]) == 'color' ? (' color: '. str_replace('"', '\'', trim($m[4])). ';') : (isset($fs[($m = trim($m[4]))]) ? ($a2 .= ' font-size: '. str_replace('"', '\'', $fs[$m]). ';') : '');
- }
- while(preg_match('`(^|\s)face\s*=\s*(\'|")?([^=]+?)\\2`i', $a, $m) or preg_match('`(^|\s)face\s*=(\s*)(\S+)`i', $a, $m)){
- $a = str_replace($m[0], ' ', $a);
- $a2 .= ' font-family: '. str_replace('"', '\'', trim($m[3])). ';';
- }
- $e = 'span'; return ltrim(str_replace('<', '', $a2));
+function hl_prot($p, $c = null)
+{
+ // check URL scheme
+ global $C;
+ $b = $a = '';
+ if (null === $c) {
+ $c = 'style';
+ $b = $p[1];
+ $a = $p[3];
+ $p = trim($p[2]);
+ }
+ $c = isset($C['schemes'][$c]) ? $C['schemes'][$c] : $C['schemes']['*'];
+ static $d = 'denied:';
+ if (isset($c['!']) && substr($p, 0, 7) !== $d) {
+ $p = "$d$p";
+ }
+ if (isset($c['*']) || !strcspn($p, '#?;') || (substr($p, 0, 7) === $d)) {
+ return "{$b}{$p}{$a}";
+ } // All ok, frag, query, param
+ if (preg_match('`^([^:?[@!$()*,=/\'\]]+?)(:|(58|x3a);|%3a|\\\\0{0,4}3a).`i', $p, $m) && !isset($c[strtolower($m[1])])) { // Denied prot
+ return "{$b}{$d}{$p}{$a}";
+ }
+ if ($C['abs_url']) {
+ if (-1 === $C['abs_url'] && 0 === strpos($p, $C['base_url'])) { // Make url rel
+ $p = substr($p, strlen($C['base_url']));
+ } elseif (empty($m[1])) { // Make URL abs
+ if ('//' === substr($p, 0, 2)) {
+ $p = substr($C['base_url'], 0, strpos($C['base_url'], ':') + 1) . $p;
+ } elseif ('/' === $p[0]) {
+ $p = preg_replace('`(^.+?://[^/]+)(.*)`', '$1', $C['base_url']) . $p;
+ } elseif (strcspn($p, './')) {
+ $p = $C['base_url'] . $p;
+ } else {
+ preg_match('`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`', $C['base_url'], $m);
+ $p = preg_replace('`(?<=/)\./`', '', $m[2] . $p);
+ while (preg_match('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', $p)) {
+ $p = preg_replace('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', '', $p);
+ }
+ $p = $m[1] . $p;
+ }
+ }
+ }
+
+ return "{$b}{$p}{$a}";
}
-if($e == 'acronym'){$e = 'abbr'; return '';}
-if($e == 'dir'){$e = 'ul'; return '';}
-if($t == 2){$e = 0; return 0;}
-return '';
+
+function hl_regex($p)
+{
+ // check regex
+ if (empty($p)) {
+ return 0;
+ }
+ if ($v = function_exists('error_clear_last') && function_exists('error_get_last')) {
+ error_clear_last();
+ } else {
+ if ($t = ini_get('track_errors')) {
+ $o = isset($php_errormsg) ? $php_errormsg : null;
+ } else {
+ ini_set('track_errors', 1);
+ }
+ unset($php_errormsg);
+ }
+ if (($d = ini_get('display_errors'))) {
+ ini_set('display_errors', 0);
+ }
+ preg_match($p, '');
+ if ($v) {
+ $r = null === error_get_last() ? 1 : 0;
+ } else {
+ $r = isset($php_errormsg) ? 0 : 1;
+ if ($t) {
+ $php_errormsg = isset($o) ? $o : null;
+ } else {
+ ini_set('track_errors', 0);
+ }
+ }
+ if ($d) {
+ ini_set('display_errors', 1);
+ }
+
+ return $r;
}
-function hl_tidy($t, $w, $p){
-// tidy/compact HTM
-if(strpos(' pre,script,textarea', "$p,")){return $t;}
-if(!function_exists('hl_aux2')){function hl_aux2($m){
- return $m[1]. str_replace(array("<", ">", "\n", "\r", "\t", ' '), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), $m[3]). $m[4];
-}}
-$t = preg_replace(array('`(<\w[^>]*(?)\s+`', '`\s+`', '`(<\w[^>]*(?) `'), array(' $1', ' ', '$1'), preg_replace_callback(array('`(<(!\[CDATA\[))(.+?)(\]\]>)`sm', '`(<(!--))(.+?)(-->)`sm', '`(<(pre|script|textarea)[^>]*?>)(.+?)(\2>)`sm'), 'hl_aux2', $t));
-if(($w = strtolower($w)) == -1){
- return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
+function hl_spec($t)
+{
+ // final $spec
+ $s = [];
+ if (!function_exists('hl_aux1')) {
+ function hl_aux1($m)
+ {
+ return substr(str_replace([';', '|', '~', ' ', ',', '/', '(', ')', '`"'], ["\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", '"'], $m[0]), 1, -1);
+ }
+ }
+ $t = str_replace(["\t", "\r", "\n", ' '], '', preg_replace_callback('/"(?>(`.|[^"])*)"/sm', 'hl_aux1', trim($t)));
+ for ($i = count(($t = explode(';', $t))); --$i >= 0;) {
+ $w = $t[$i];
+ if (empty($w) || ($e = strpos($w, '=')) === false || !strlen(($a = substr($w, $e + 1)))) {
+ continue;
+ }
+ $y = $n = [];
+ foreach (explode(',', $a) as $v) {
+ if (!preg_match('`^([a-z:\-\*]+)(?:\((.*?)\))?`i', $v, $m)) {
+ continue;
+ }
+ if (($x = strtolower($m[1])) === '-*') {
+ $n['*'] = 1;
+ continue;
+ }
+ if ('-' === $x[0]) {
+ $n[substr($x, 1)] = 1;
+ continue;
+ }
+ if (!isset($m[2])) {
+ $y[$x] = 1;
+ continue;
+ }
+ foreach (explode('/', $m[2]) as $m) {
+ if (empty($m) || ($p = strpos($m, '=')) === 0 || $p < 5) {
+ $y[$x] = 1;
+ continue;
+ }
+ $y[$x][strtolower(substr($m, 0, $p))] = str_replace(["\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08"], [';', '|', '~', ' ', ',', '/', '(', ')'], substr($m, $p + 1));
+ }
+ if (isset($y[$x]['match']) && !hl_regex($y[$x]['match'])) {
+ unset($y[$x]['match']);
+ }
+ if (isset($y[$x]['nomatch']) && !hl_regex($y[$x]['nomatch'])) {
+ unset($y[$x]['nomatch']);
+ }
+ }
+ if (!count($y) && !count($n)) {
+ continue;
+ }
+ foreach (explode(',', substr($w, 0, $e)) as $v) {
+ if (!strlen(($v = strtolower($v)))) {
+ continue;
+ }
+ if (count($y)) {
+ if (!isset($s[$v])) {
+ $s[$v] = $y;
+ } else {
+ $s[$v] = array_merge($s[$v], $y);
+ }
+ }
+ if (count($n)) {
+ if (!isset($s[$v]['n'])) {
+ $s[$v]['n'] = $n;
+ } else {
+ $s[$v]['n'] = array_merge($s[$v]['n'], $n);
+ }
+ }
+ }
+ }
+
+ return $s;
}
-$s = strpos(" $w", 't') ? "\t" : ' ';
-$s = preg_match('`\d`', $w, $m) ? str_repeat($s, $m[0]) : str_repeat($s, ($s == "\t" ? 1 : 2));
-$N = preg_match('`[ts]([1-9])`', $w, $m) ? $m[1] : 0;
-$a = array('br'=>1);
-$b = array('button'=>1, 'command'=>1, 'input'=>1, 'option'=>1, 'param'=>1, 'track'=>1);
-$c = array('audio'=>1, 'canvas'=>1, 'caption'=>1, 'dd'=>1, 'dt'=>1, 'figcaption'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'isindex'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'object'=>1, 'p'=>1, 'pre'=>1, 'style'=>1, 'summary'=>1, 'td'=>1, 'textarea'=>1, 'th'=>1, 'video'=>1);
-$d = array('address'=>1, 'article'=>1, 'aside'=>1, 'blockquote'=>1, 'center'=>1, 'colgroup'=>1, 'datalist'=>1, 'details'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'fieldset'=>1, 'figure'=>1, 'footer'=>1, 'form'=>1, 'header'=>1, 'hgroup'=>1, 'hr'=>1, 'iframe'=>1, 'main'=>1, 'map'=>1, 'menu'=>1, 'nav'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'script'=>1, 'section'=>1, 'select'=>1, 'table'=>1, 'tbody'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1);
-$T = explode('<', $t);
-$X = 1;
-while($X){
- $n = $N;
- $t = $T;
- ob_start();
- if(isset($d[$p])){echo str_repeat($s, ++$n);}
- echo ltrim(array_shift($t));
- for($i=-1, $j=count($t); ++$i<$j;){
- $r = ''; list($e, $r) = explode('>', $t[$i]);
- $x = $e[0] == '/' ? 0 : (substr($e, -1) == '/' ? 1 : ($e[0] != '!' ? 2 : -1));
- $y = !$x ? ltrim($e, '/') : ($x > 0 ? substr($e, 0, strcspn($e, ' ')) : 0);
- $e = "<$e>";
- if(isset($d[$y])){
- if(!$x){
- if($n){echo "\n", str_repeat($s, --$n), "$e\n", str_repeat($s, $n);}
- else{++$N; ob_end_clean(); continue 2;}
- }
- else{echo "\n", str_repeat($s, $n), "$e\n", str_repeat($s, ($x != 1 ? ++$n : $n));}
- echo $r; continue;
- }
- $f = "\n". str_repeat($s, $n);
- if(isset($c[$y])){
- if(!$x){echo $e, $f, $r;}
- else{echo $f, $e, $r;}
- }elseif(isset($b[$y])){echo $f, $e, $r;
- }elseif(isset($a[$y])){echo $e, $f, $r;
- }elseif(!$y){echo $f, $e, $f, $r;
- }else{echo $e, $r;}
- }
- $X = 0;
+
+function hl_tag($t)
+{
+ // tag/attribute handler
+ global $C;
+ $t = $t[0];
+ // invalid < >
+ if ('< ' === $t) {
+ return '< ';
+ }
+ if ('>' === $t) {
+ return '>';
+ }
+ if (!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m', $t, $m)) {
+ return str_replace(['<', '>'], ['<', '>'], $t);
+ } elseif (!isset($C['elements'][($e = strtolower($m[2]))])) {
+ return ($C['keep_bad'] % 2) ? str_replace(['<', '>'], ['<', '>'], $t) : '';
+ }
+ // attr string
+ $a = str_replace(["\n", "\r", "\t"], ' ', trim($m[3]));
+ // tag transform
+ static $eD = ['acronym' => 1, 'applet' => 1, 'big' => 1, 'center' => 1, 'dir' => 1, 'font' => 1, 'isindex' => 1, 's' => 1, 'strike' => 1, 'tt' => 1]; // Deprecated
+ if ($C['make_tag_strict'] && isset($eD[$e])) {
+ $trt = hl_tag2($e, $a, $C['make_tag_strict']);
+ if (!$e) {
+ return ($C['keep_bad'] % 2) ? str_replace(['<', '>'], ['<', '>'], $t) : '';
+ }
+ }
+ // close tag
+ static $eE = ['area' => 1, 'br' => 1, 'col' => 1, 'command' => 1, 'embed' => 1, 'hr' => 1, 'img' => 1, 'input' => 1, 'isindex' => 1, 'keygen' => 1, 'link' => 1, 'meta' => 1, 'param' => 1, 'source' => 1, 'track' => 1, 'wbr' => 1]; // Empty ele
+ if (!empty($m[1])) {
+ return !isset($eE[$e]) ? (empty($C['hook_tag']) ? "$e>" : $C['hook_tag']($e)) : (($C['keep_bad']) % 2 ? str_replace(['<', '>'], ['<', '>'], $t) : '');
+ }
+
+ // open tag & attr
+ static $aN = ['abbr' => ['td' => 1, 'th' => 1], 'accept' => ['form' => 1, 'input' => 1], 'accept-charset' => ['form' => 1], 'action' => ['form' => 1], 'align' => ['applet' => 1, 'caption' => 1, 'col' => 1, 'colgroup' => 1, 'div' => 1, 'embed' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'hr' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'legend' => 1, 'object' => 1, 'p' => 1, 'table' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1], 'allowfullscreen' => ['iframe' => 1], 'alt' => ['applet' => 1, 'area' => 1, 'img' => 1, 'input' => 1], 'archive' => ['applet' => 1, 'object' => 1], 'async' => ['script' => 1], 'autocomplete' => ['form' => 1, 'input' => 1], 'autofocus' => ['button' => 1, 'input' => 1, 'keygen' => 1, 'select' => 1, 'textarea' => 1], 'autoplay' => ['audio' => 1, 'video' => 1], 'axis' => ['td' => 1, 'th' => 1], 'bgcolor' => ['embed' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'tr' => 1], 'border' => ['img' => 1, 'object' => 1, 'table' => 1], 'bordercolor' => ['table' => 1, 'td' => 1, 'tr' => 1], 'cellpadding' => ['table' => 1], 'cellspacing' => ['table' => 1], 'challenge' => ['keygen' => 1], 'char' => ['col' => 1, 'colgroup' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1], 'charoff' => ['col' => 1, 'colgroup' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1], 'charset' => ['a' => 1, 'script' => 1], 'checked' => ['command' => 1, 'input' => 1], 'cite' => ['blockquote' => 1, 'del' => 1, 'ins' => 1, 'q' => 1], 'classid' => ['object' => 1], 'clear' => ['br' => 1], 'code' => ['applet' => 1], 'codebase' => ['applet' => 1, 'object' => 1], 'codetype' => ['object' => 1], 'color' => ['font' => 1], 'cols' => ['textarea' => 1], 'colspan' => ['td' => 1, 'th' => 1], 'compact' => ['dir' => 1, 'dl' => 1, 'menu' => 1, 'ol' => 1, 'ul' => 1], 'content' => ['meta' => 1], 'controls' => ['audio' => 1, 'video' => 1], 'coords' => ['a' => 1, 'area' => 1], 'crossorigin' => ['img' => 1], 'data' => ['object' => 1], 'datetime' => ['del' => 1, 'ins' => 1, 'time' => 1], 'declare' => ['object' => 1], 'default' => ['track' => 1], 'defer' => ['script' => 1], 'dirname' => ['input' => 1, 'textarea' => 1], 'disabled' => ['button' => 1, 'command' => 1, 'fieldset' => 1, 'input' => 1, 'keygen' => 1, 'optgroup' => 1, 'option' => 1, 'select' => 1, 'textarea' => 1], 'download' => ['a' => 1], 'enctype' => ['form' => 1], 'face' => ['font' => 1], 'flashvars' => ['embed' => 1], 'for' => ['label' => 1, 'output' => 1], 'form' => ['button' => 1, 'fieldset' => 1, 'input' => 1, 'keygen' => 1, 'label' => 1, 'object' => 1, 'output' => 1, 'select' => 1, 'textarea' => 1], 'formaction' => ['button' => 1, 'input' => 1], 'formenctype' => ['button' => 1, 'input' => 1], 'formmethod' => ['button' => 1, 'input' => 1], 'formnovalidate' => ['button' => 1, 'input' => 1], 'formtarget' => ['button' => 1, 'input' => 1], 'frame' => ['table' => 1], 'frameborder' => ['iframe' => 1], 'headers' => ['td' => 1, 'th' => 1], 'height' => ['applet' => 1, 'canvas' => 1, 'embed' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'td' => 1, 'th' => 1, 'video' => 1], 'high' => ['meter' => 1], 'href' => ['a' => 1, 'area' => 1, 'link' => 1], 'hreflang' => ['a' => 1, 'area' => 1, 'link' => 1], 'hspace' => ['applet' => 1, 'embed' => 1, 'img' => 1, 'object' => 1], 'icon' => ['command' => 1], 'ismap' => ['img' => 1, 'input' => 1], 'keyparams' => ['keygen' => 1], 'keytype' => ['keygen' => 1], 'kind' => ['track' => 1], 'label' => ['command' => 1, 'menu' => 1, 'option' => 1, 'optgroup' => 1, 'track' => 1], 'language' => ['script' => 1], 'list' => ['input' => 1], 'longdesc' => ['img' => 1, 'iframe' => 1], 'loop' => ['audio' => 1, 'video' => 1], 'low' => ['meter' => 1], 'marginheight' => ['iframe' => 1], 'marginwidth' => ['iframe' => 1], 'max' => ['input' => 1, 'meter' => 1, 'progress' => 1], 'maxlength' => ['input' => 1, 'textarea' => 1], 'media' => ['a' => 1, 'area' => 1, 'link' => 1, 'source' => 1, 'style' => 1], 'mediagroup' => ['audio' => 1, 'video' => 1], 'method' => ['form' => 1], 'min' => ['input' => 1, 'meter' => 1], 'model' => ['embed' => 1], 'multiple' => ['input' => 1, 'select' => 1], 'muted' => ['audio' => 1, 'video' => 1], 'name' => ['a' => 1, 'applet' => 1, 'button' => 1, 'embed' => 1, 'fieldset' => 1, 'form' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'keygen' => 1, 'map' => 1, 'object' => 1, 'output' => 1, 'param' => 1, 'select' => 1, 'textarea' => 1], 'nohref' => ['area' => 1], 'noshade' => ['hr' => 1], 'novalidate' => ['form' => 1], 'nowrap' => ['td' => 1, 'th' => 1], 'object' => ['applet' => 1], 'open' => ['details' => 1], 'optimum' => ['meter' => 1], 'pattern' => ['input' => 1], 'ping' => ['a' => 1, 'area' => 1], 'placeholder' => ['input' => 1, 'textarea' => 1], 'pluginspage' => ['embed' => 1], 'pluginurl' => ['embed' => 1], 'poster' => ['video' => 1], 'pqg' => ['keygen' => 1], 'preload' => ['audio' => 1, 'video' => 1], 'prompt' => ['isindex' => 1], 'pubdate' => ['time' => 1], 'radiogroup' => ['command' => 1], 'readonly' => ['input' => 1, 'textarea' => 1], 'referrerpolicy' => ['a' => 1, 'area' => 1, 'img' => 1, 'iframe' => 1, 'link' => 1], 'rel' => ['a' => 1, 'area' => 1, 'link' => 1], 'required' => ['input' => 1, 'select' => 1, 'textarea' => 1], 'rev' => ['a' => 1], 'reversed' => ['ol' => 1], 'rows' => ['textarea' => 1], 'rowspan' => ['td' => 1, 'th' => 1], 'rules' => ['table' => 1], 'sandbox' => ['iframe' => 1], 'scope' => ['td' => 1, 'th' => 1], 'scoped' => ['style' => 1], 'scrolling' => ['iframe' => 1], 'seamless' => ['iframe' => 1], 'selected' => ['option' => 1], 'shape' => ['a' => 1, 'area' => 1], 'size' => ['font' => 1, 'hr' => 1, 'input' => 1, 'select' => 1], 'sizes' => ['link' => 1], 'span' => ['col' => 1, 'colgroup' => 1], 'src' => ['audio' => 1, 'embed' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'script' => 1, 'source' => 1, 'track' => 1, 'video' => 1], 'srcdoc' => ['iframe' => 1], 'srclang' => ['track' => 1], 'srcset' => ['img' => 1], 'standby' => ['object' => 1], 'start' => ['ol' => 1], 'step' => ['input' => 1], 'summary' => ['table' => 1], 'target' => ['a' => 1, 'area' => 1, 'form' => 1], 'type' => ['a' => 1, 'area' => 1, 'button' => 1, 'command' => 1, 'embed' => 1, 'input' => 1, 'li' => 1, 'link' => 1, 'menu' => 1, 'object' => 1, 'ol' => 1, 'param' => 1, 'script' => 1, 'source' => 1, 'style' => 1, 'ul' => 1], 'typemustmatch' => ['object' => 1], 'usemap' => ['img' => 1, 'input' => 1, 'object' => 1], 'valign' => ['col' => 1, 'colgroup' => 1, 'tbody' => 1, 'td' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1], 'value' => ['button' => 1, 'data' => 1, 'input' => 1, 'li' => 1, 'meter' => 1, 'option' => 1, 'param' => 1, 'progress' => 1], 'valuetype' => ['param' => 1], 'vspace' => ['applet' => 1, 'embed' => 1, 'img' => 1, 'object' => 1], 'width' => ['applet' => 1, 'canvas' => 1, 'col' => 1, 'colgroup' => 1, 'embed' => 1, 'hr' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'pre' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'video' => 1], 'wmode' => ['embed' => 1], 'wrap' => ['textarea' => 1]]; // Ele-specific
+ static $aNA = ['aria-activedescendant' => 1, 'aria-atomic' => 1, 'aria-autocomplete' => 1, 'aria-busy' => 1, 'aria-checked' => 1, 'aria-controls' => 1, 'aria-describedby' => 1, 'aria-disabled' => 1, 'aria-dropeffect' => 1, 'aria-expanded' => 1, 'aria-flowto' => 1, 'aria-grabbed' => 1, 'aria-haspopup' => 1, 'aria-hidden' => 1, 'aria-invalid' => 1, 'aria-label' => 1, 'aria-labelledby' => 1, 'aria-level' => 1, 'aria-live' => 1, 'aria-multiline' => 1, 'aria-multiselectable' => 1, 'aria-orientation' => 1, 'aria-owns' => 1, 'aria-posinset' => 1, 'aria-pressed' => 1, 'aria-readonly' => 1, 'aria-relevant' => 1, 'aria-required' => 1, 'aria-selected' => 1, 'aria-setsize' => 1, 'aria-sort' => 1, 'aria-valuemax' => 1, 'aria-valuemin' => 1, 'aria-valuenow' => 1, 'aria-valuetext' => 1]; // ARIA
+ static $aNE = ['allowfullscreen' => 1, 'checkbox' => 1, 'checked' => 1, 'command' => 1, 'compact' => 1, 'declare' => 1, 'defer' => 1, 'default' => 1, 'disabled' => 1, 'hidden' => 1, 'inert' => 1, 'ismap' => 1, 'itemscope' => 1, 'multiple' => 1, 'nohref' => 1, 'noresize' => 1, 'noshade' => 1, 'nowrap' => 1, 'open' => 1, 'radio' => 1, 'readonly' => 1, 'required' => 1, 'reversed' => 1, 'selected' => 1]; // Empty
+ static $aNO = ['onabort' => 1, 'onblur' => 1, 'oncanplay' => 1, 'oncanplaythrough' => 1, 'onchange' => 1, 'onclick' => 1, 'oncontextmenu' => 1, 'oncopy' => 1, 'oncuechange' => 1, 'oncut' => 1, 'ondblclick' => 1, 'ondrag' => 1, 'ondragend' => 1, 'ondragenter' => 1, 'ondragleave' => 1, 'ondragover' => 1, 'ondragstart' => 1, 'ondrop' => 1, 'ondurationchange' => 1, 'onemptied' => 1, 'onended' => 1, 'onerror' => 1, 'onfocus' => 1, 'onformchange' => 1, 'onforminput' => 1, 'oninput' => 1, 'oninvalid' => 1, 'onkeydown' => 1, 'onkeypress' => 1, 'onkeyup' => 1, 'onload' => 1, 'onloadeddata' => 1, 'onloadedmetadata' => 1, 'onloadstart' => 1, 'onlostpointercapture' => 1, 'onmousedown' => 1, 'onmousemove' => 1, 'onmouseout' => 1, 'onmouseover' => 1, 'onmouseup' => 1, 'onmousewheel' => 1, 'onpaste' => 1, 'onpause' => 1, 'onplay' => 1, 'onplaying' => 1, 'onpointercancel' => 1, 'ongotpointercapture' => 1, 'onpointerdown' => 1, 'onpointerenter' => 1, 'onpointerleave' => 1, 'onpointermove' => 1, 'onpointerout' => 1, 'onpointerover' => 1, 'onpointerup' => 1, 'onprogress' => 1, 'onratechange' => 1, 'onreadystatechange' => 1, 'onreset' => 1, 'onsearch' => 1, 'onscroll' => 1, 'onseeked' => 1, 'onseeking' => 1, 'onselect' => 1, 'onshow' => 1, 'onstalled' => 1, 'onsubmit' => 1, 'onsuspend' => 1, 'ontimeupdate' => 1, 'ontoggle' => 1, 'ontouchcancel' => 1, 'ontouchend' => 1, 'ontouchmove' => 1, 'ontouchstart' => 1, 'onvolumechange' => 1, 'onwaiting' => 1, 'onwheel' => 1]; // Event
+ static $aNP = ['action' => 1, 'cite' => 1, 'classid' => 1, 'codebase' => 1, 'data' => 1, 'href' => 1, 'itemtype' => 1, 'longdesc' => 1, 'model' => 1, 'pluginspage' => 1, 'pluginurl' => 1, 'src' => 1, 'srcset' => 1, 'usemap' => 1]; // Need scheme check; excludes style, on*
+ static $aNU = ['accesskey' => 1, 'class' => 1, 'contenteditable' => 1, 'contextmenu' => 1, 'dir' => 1, 'draggable' => 1, 'dropzone' => 1, 'hidden' => 1, 'id' => 1, 'inert' => 1, 'itemid' => 1, 'itemprop' => 1, 'itemref' => 1, 'itemscope' => 1, 'itemtype' => 1, 'lang' => 1, 'role' => 1, 'spellcheck' => 1, 'style' => 1, 'tabindex' => 1, 'title' => 1, 'translate' => 1, 'xmlns' => 1, 'xml:base' => 1, 'xml:lang' => 1, 'xml:space' => 1]; // Univ; excludes on*, aria*
+
+ if ($C['lc_std_val']) {
+ // predef attr vals for $eAL & $aNE ele
+ static $aNL = ['all' => 1, 'auto' => 1, 'baseline' => 1, 'bottom' => 1, 'button' => 1, 'captions' => 1, 'center' => 1, 'chapters' => 1, 'char' => 1, 'checkbox' => 1, 'circle' => 1, 'col' => 1, 'colgroup' => 1, 'color' => 1, 'cols' => 1, 'data' => 1, 'date' => 1, 'datetime' => 1, 'datetime-local' => 1, 'default' => 1, 'descriptions' => 1, 'email' => 1, 'file' => 1, 'get' => 1, 'groups' => 1, 'hidden' => 1, 'image' => 1, 'justify' => 1, 'left' => 1, 'ltr' => 1, 'metadata' => 1, 'middle' => 1, 'month' => 1, 'none' => 1, 'number' => 1, 'object' => 1, 'password' => 1, 'poly' => 1, 'post' => 1, 'preserve' => 1, 'radio' => 1, 'range' => 1, 'rect' => 1, 'ref' => 1, 'reset' => 1, 'right' => 1, 'row' => 1, 'rowgroup' => 1, 'rows' => 1, 'rtl' => 1, 'search' => 1, 'submit' => 1, 'subtitles' => 1, 'tel' => 1, 'text' => 1, 'time' => 1, 'top' => 1, 'url' => 1, 'week' => 1];
+ static $eAL = ['a' => 1, 'area' => 1, 'bdo' => 1, 'button' => 1, 'col' => 1, 'fieldset' => 1, 'form' => 1, 'img' => 1, 'input' => 1, 'object' => 1, 'ol' => 1, 'optgroup' => 1, 'option' => 1, 'param' => 1, 'script' => 1, 'select' => 1, 'table' => 1, 'td' => 1, 'textarea' => 1, 'tfoot' => 1, 'th' => 1, 'thead' => 1, 'tr' => 1, 'track' => 1, 'xml:space' => 1];
+ $lcase = isset($eAL[$e]) ? 1 : 0;
+ }
+
+ $depTr = 0;
+ if ($C['no_deprecated_attr']) {
+ // depr attr:applicable ele
+ static $aND = ['align' => ['caption' => 1, 'div' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'hr' => 1, 'img' => 1, 'input' => 1, 'legend' => 1, 'object' => 1, 'p' => 1, 'table' => 1], 'bgcolor' => ['table' => 1, 'td' => 1, 'th' => 1, 'tr' => 1], 'border' => ['object' => 1], 'bordercolor' => ['table' => 1, 'td' => 1, 'tr' => 1], 'cellspacing' => ['table' => 1], 'clear' => ['br' => 1], 'compact' => ['dl' => 1, 'ol' => 1, 'ul' => 1], 'height' => ['td' => 1, 'th' => 1], 'hspace' => ['img' => 1, 'object' => 1], 'language' => ['script' => 1], 'name' => ['a' => 1, 'form' => 1, 'iframe' => 1, 'img' => 1, 'map' => 1], 'noshade' => ['hr' => 1], 'nowrap' => ['td' => 1, 'th' => 1], 'size' => ['hr' => 1], 'vspace' => ['img' => 1, 'object' => 1], 'width' => ['hr' => 1, 'pre' => 1, 'table' => 1, 'td' => 1, 'th' => 1]];
+ static $eAD = ['a' => 1, 'br' => 1, 'caption' => 1, 'div' => 1, 'dl' => 1, 'form' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'hr' => 1, 'iframe' => 1, 'img' => 1, 'input' => 1, 'legend' => 1, 'map' => 1, 'object' => 1, 'ol' => 1, 'p' => 1, 'pre' => 1, 'script' => 1, 'table' => 1, 'td' => 1, 'th' => 1, 'tr' => 1, 'ul' => 1];
+ $depTr = isset($eAD[$e]) ? 1 : 0;
+ }
+
+ // attr name-vals
+ if (false !== strpos($a, "\x01")) {
+ $a = preg_replace('`\x01[^\x01]*\x01`', '', $a);
+ } // No comment/CDATA sec
+ $mode = 0;
+ $a = trim($a, ' /');
+ $aA = [];
+ while (strlen($a)) {
+ $w = 0;
+ switch ($mode) {
+ case 0: // Name
+ if (preg_match('`^[a-zA-Z][^\s=/]+`', $a, $m)) {
+ $nm = strtolower($m[0]);
+ $w = $mode = 1;
+ $a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
+ }
+ break;
+ case 1:
+ if ('=' === $a[0]) { // =
+ $w = 1;
+ $mode = 2;
+ $a = ltrim($a, '= ');
+ } else { // No val
+ $w = 1;
+ $mode = 0;
+ $a = ltrim($a);
+ $aA[$nm] = '';
+ }
+ break;
+ case 2: // Val
+ if (preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`', $a, $m)) {
+ $a = ltrim($m[2]);
+ $m = $m[1];
+ $w = 1;
+ $mode = 0;
+ $aA[$nm] = trim(str_replace('<', '<', ('"' === $m[0] || '\'' === $m[0]) ? substr($m, 1, -1) : $m));
+ }
+ break;
+ }
+ if (0 === $w) { // Parse errs, deal with space, " & '
+ $a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`', '', $a);
+ $mode = 0;
+ }
+ }
+ if (1 === $mode) {
+ $aA[$nm] = '';
+ }
+
+ // clean attrs
+ global $S;
+ $rl = isset($S[$e]) ? $S[$e] : [];
+ $a = [];
+ $nfr = 0;
+ $d = $C['deny_attribute'];
+ foreach ($aA as $k => $v) {
+ if (((isset($d['*']) ? isset($d[$k]) : !isset($d[$k])) && (isset($aN[$k][$e]) || isset($aNU[$k]) || (isset($aNO[$k]) && !isset($d['on*'])) || (isset($aNA[$k]) && !isset($d['aria*'])) || (!isset($d['data*']) && preg_match('`data-((?!xml)[^:]+$)`', $k))) && !isset($rl['n'][$k]) && !isset($rl['n']['*'])) || isset($rl[$k])) {
+ if (isset($aNE[$k])) {
+ $v = $k;
+ } elseif (!empty($lcase) && (('button' !== $e || 'input' !== $e) || 'type' === $k)) { // Rather loose but ?not cause issues
+ $v = (isset($aNL[($v2 = strtolower($v))])) ? $v2 : $v;
+ }
+ if ('style' === $k && !$C['style_pass']) {
+ if (false !== strpos($v, '')) {
+ static $sC = [' ' => ' ', ' ' => ' ', 'E' => 'e', 'E' => 'e', 'e' => 'e', 'e' => 'e', 'X' => 'x', 'X' => 'x', 'x' => 'x', 'x' => 'x', 'P' => 'p', 'P' => 'p', 'p' => 'p', 'p' => 'p', 'S' => 's', 'S' => 's', 's' => 's', 's' => 's', 'I' => 'i', 'I' => 'i', 'i' => 'i', 'i' => 'i', 'O' => 'o', 'O' => 'o', 'o' => 'o', 'o' => 'o', 'N' => 'n', 'N' => 'n', 'n' => 'n', 'n' => 'n', 'U' => 'u', 'U' => 'u', 'u' => 'u', 'u' => 'u', 'R' => 'r', 'R' => 'r', 'r' => 'r', 'r' => 'r', 'L' => 'l', 'L' => 'l', 'l' => 'l', 'l' => 'l', '(' => '(', '(' => '(', ')' => ')', ')' => ')', ' ' => ':', ' ' => ':', '"' => '"', '"' => '"', ''' => "'", ''' => "'", '/' => '/', '/' => '/', '*' => '*', '*' => '*', '\' => '\\', '\' => '\\'];
+ $v = strtr($v, $sC);
+ }
+ $v = preg_replace_callback('`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS', 'hl_prot', $v);
+ $v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\S|(/|(%2f))(\*|(%2a))`i', ' ', $v)) : $v;
+ } elseif (isset($aNP[$k]) || isset($aNO[$k])) {
+ $v = str_replace('', ' ', (false !== strpos($v, '&') ? str_replace(['', '', ''], ' ', $v) : $v)); // double-quoted char: soft-hyphen; appears here as "" or hyphen or something else depending on viewing software
+ if ('srcset' === $k) {
+ $v2 = '';
+ $pattern = "/(?:[^\"'\s]+\s*(?:\d+w|\d+(?:\.\d+)?x)+)/";
+ preg_match_all($pattern, $v, $matches);
+ $matches = call_user_func_array('array_merge', $matches);
+ foreach ($matches as $k1 => $v1) {
+ $v1 = explode(' ', ltrim($v1), 2);
+ $k1 = isset($v1[1]) ? trim($v1[1]) : '';
+ $v1 = trim($v1[0]);
+ if (isset($v1[0])) {
+ $v2 .= hl_prot($v1, $k) . (empty($k1) ? '' : ' ' . $k1) . ', ';
+ }
+ }
+ $v = trim($v2, ', ');
+ }
+ if ('itemtype' === $k) {
+ $v2 = '';
+ foreach (explode(' ', $v) as $v1) {
+ if (isset($v1[0])) {
+ $v2 .= hl_prot($v1, $k) . ' ';
+ }
+ }
+ $v = trim($v2, ' ');
+ } else {
+ $v = hl_prot($v, $k);
+ }
+ if ('href' === $k) { // X-spam
+ if ($C['anti_mail_spam'] && 0 === strpos($v, 'mailto:')) {
+ $v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v);
+ } elseif ($C['anti_link_spam']) {
+ $r1 = $C['anti_link_spam'][1];
+ if (!empty($r1) && preg_match($r1, $v)) {
+ continue;
+ }
+ $r0 = $C['anti_link_spam'][0];
+ if (!empty($r0) && preg_match($r0, $v)) {
+ if (isset($a['rel'])) {
+ if (!preg_match('`\bnofollow\b`i', $a['rel'])) {
+ $a['rel'] .= ' nofollow';
+ }
+ } elseif (isset($aA['rel'])) {
+ if (!preg_match('`\bnofollow\b`i', $aA['rel'])) {
+ $nfr = 1;
+ }
+ } else {
+ $a['rel'] = 'nofollow';
+ }
+ }
+ }
+ }
+ }
+ if (isset($rl[$k]) && is_array($rl[$k]) && ($v = hl_attrval($k, $v, $rl[$k])) === 0) {
+ continue;
+ }
+ $a[$k] = str_replace('"', '"', $v);
+ }
+ }
+ if ($nfr) {
+ $a['rel'] = isset($a['rel']) ? $a['rel'] . ' nofollow' : 'nofollow';
+ }
+
+ // rqd attr
+ static $eAR = ['area' => ['alt' => 'area'], 'bdo' => ['dir' => 'ltr'], 'command' => ['label' => ''], 'form' => ['action' => ''], 'img' => ['src' => '', 'alt' => 'image'], 'map' => ['name' => ''], 'optgroup' => ['label' => ''], 'param' => ['name' => ''], 'style' => ['scoped' => ''], 'textarea' => ['rows' => '10', 'cols' => '50']];
+ if (isset($eAR[$e])) {
+ foreach ($eAR[$e] as $k => $v) {
+ if (!isset($a[$k])) {
+ $a[$k] = isset($v[0]) ? $v : $k;
+ }
+ }
+ }
+
+ // depr attr
+ if ($depTr) {
+ $c = [];
+ foreach ($a as $k => $v) {
+ if ('style' === $k || !isset($aND[$k][$e])) {
+ continue;
+ }
+ $v = str_replace(['\\', ':', ';', ''], '', $v);
+ if ('align' === $k) {
+ unset($a['align']);
+ if ('img' === $e && ('left' === $v || 'right' === $v)) {
+ $c[] = 'float: ' . $v;
+ } elseif (('div' === $e || 'table' === $e) && 'center' === $v) {
+ $c[] = 'margin: auto';
+ } else {
+ $c[] = 'text-align: ' . $v;
+ }
+ } elseif ('bgcolor' === $k) {
+ unset($a['bgcolor']);
+ $c[] = 'background-color: ' . $v;
+ } elseif ('border' === $k) {
+ unset($a['border']);
+ $c[] = "border: {$v}px";
+ } elseif ('bordercolor' === $k) {
+ unset($a['bordercolor']);
+ $c[] = 'border-color: ' . $v;
+ } elseif ('cellspacing' === $k) {
+ unset($a['cellspacing']);
+ $c[] = "border-spacing: {$v}px";
+ } elseif ('clear' === $k) {
+ unset($a['clear']);
+ $c[] = 'clear: ' . ('all' !== $v ? $v : 'both');
+ } elseif ('compact' === $k) {
+ unset($a['compact']);
+ $c[] = 'font-size: 85%';
+ } elseif ('height' === $k || 'width' === $k) {
+ unset($a[$k]);
+ $c[] = $k . ': ' . ('*' !== $v[0] ? $v . (ctype_digit($v) ? 'px' : '') : 'auto');
+ } elseif ('hspace' === $k) {
+ unset($a['hspace']);
+ $c[] = "margin-left: {$v}px; margin-right: {$v}px";
+ } elseif ('language' === $k && !isset($a['type'])) {
+ unset($a['language']);
+ $a['type'] = 'text/' . strtolower($v);
+ } elseif ('name' === $k) {
+ if (2 === $C['no_deprecated_attr'] || ('a' !== $e && 'map' !== $e)) {
+ unset($a['name']);
+ }
+ if (!isset($a['id']) && !preg_match('`\W`', $v)) {
+ $a['id'] = $v;
+ }
+ } elseif ('noshade' === $k) {
+ unset($a['noshade']);
+ $c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
+ } elseif ('nowrap' === $k) {
+ unset($a['nowrap']);
+ $c[] = 'white-space: nowrap';
+ } elseif ('size' === $k) {
+ unset($a['size']);
+ $c[] = 'size: ' . $v . 'px';
+ } elseif ('vspace' === $k) {
+ unset($a['vspace']);
+ $c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
+ }
+ }
+ if (count($c)) {
+ $c = implode('; ', $c);
+ $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;') . '; ' . $c . ';' : $c . ';';
+ }
+ }
+ // unique ID
+ if ($C['unique_ids'] && isset($a['id'])) {
+ if (preg_match('`\s`', ($id = $a['id'])) || (isset($GLOBALS['hl_Ids'][$id]) && 1 === $C['unique_ids'])) {
+ unset($a['id']);
+ } else {
+ while (isset($GLOBALS['hl_Ids'][$id])) {
+ $id = $C['unique_ids'] . $id;
+ }
+ $GLOBALS['hl_Ids'][($a['id'] = $id)] = 1;
+ }
+ }
+ // xml:lang
+ if ($C['xml:lang'] && isset($a['lang'])) {
+ $a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
+ if (2 === $C['xml:lang']) {
+ unset($a['lang']);
+ }
+ }
+ // for transformed tag
+ if (!empty($trt)) {
+ $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;') . '; ' . $trt : $trt;
+ }
+ // return with empty ele /
+ if (empty($C['hook_tag'])) {
+ $aA = '';
+ foreach ($a as $k => $v) {
+ $aA .= " {$k}=\"{$v}\"";
+ }
+
+ return "<{$e}{$aA}" . (isset($eE[$e]) ? ' /' : '') . '>';
+ }
+
+ return $C['hook_tag']($e, $a);
}
-$t = str_replace(array("\n ", " \n"), "\n", preg_replace('`[\n]\s*?[\n]+`', "\n", ob_get_contents()));
-ob_end_clean();
-if(($l = strpos(" $w", 'r') ? (strpos(" $w", 'n') ? "\r\n" : "\r") : 0)){
- $t = str_replace("\n", $l, $t);
+
+function hl_tag2(&$e, &$a, $t = 1)
+{
+ // transform tag
+ if ('big' === $e) {
+ $e = 'span';
+
+ return 'font-size: larger;';
+ }
+ if ('s' === $e || 'strike' === $e) {
+ $e = 'span';
+
+ return 'text-decoration: line-through;';
+ }
+ if ('tt' === $e) {
+ $e = 'code';
+
+ return '';
+ }
+ if ('center' === $e) {
+ $e = 'div';
+
+ return 'text-align: center;';
+ }
+ static $fs = ['0' => 'xx-small', '1' => 'xx-small', '2' => 'small', '3' => 'medium', '4' => 'large', '5' => 'x-large', '6' => 'xx-large', '7' => '300%', '-1' => 'smaller', '-2' => '60%', '+1' => 'larger', '+2' => '150%', '+3' => '200%', '+4' => '300%'];
+ if ('font' === $e) {
+ $a2 = '';
+ while (preg_match('`(^|\s)(color|size)\s*=\s*(\'|")?(.+?)(\\3|\s|$)`i', $a, $m)) {
+ $a = str_replace($m[0], ' ', $a);
+ $a2 .= 'color' === strtolower($m[2]) ? (' color: ' . str_replace(['"', ';', ':'], '\'', trim($m[4])) . ';') : (isset($fs[($m = trim($m[4]))]) ? (' font-size: ' . $fs[$m] . ';') : '');
+ }
+ while (preg_match('`(^|\s)face\s*=\s*(\'|")?([^=]+?)\\2`i', $a, $m) || preg_match('`(^|\s)face\s*=(\s*)(\S+)`i', $a, $m)) {
+ $a = str_replace($m[0], ' ', $a);
+ $a2 .= ' font-family: ' . str_replace(['"', ';', ':'], '\'', trim($m[3])) . ';';
+ }
+ $e = 'span';
+
+ return ltrim(str_replace('<', '', $a2));
+ }
+ if ('acronym' === $e) {
+ $e = 'abbr';
+
+ return '';
+ }
+ if ('dir' === $e) {
+ $e = 'ul';
+
+ return '';
+ }
+ if (2 === $t) {
+ $e = 0;
+
+ return 0;
+ }
+
+ return '';
}
-return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
+
+function hl_tidy($t, $w, $p)
+{
+ // tidy/compact HTM
+ if (strpos(' pre,script,textarea', "$p,")) {
+ return $t;
+ }
+ if (!function_exists('hl_aux2')) {
+ function hl_aux2($m)
+ {
+ return $m[1] . str_replace(['<', '>', "\n", "\r", "\t", ' '], ["\x01", "\x02", "\x03", "\x04", "\x05", "\x07"], $m[3]) . $m[4];
+ }
+ }
+ $t = preg_replace(['`(<\w[^>]*(?)\s+`', '`\s+`', '`(<\w[^>]*(?) `'], [' $1', ' ', '$1'], preg_replace_callback(['`(<(!\[CDATA\[))(.+?)(\]\]>)`sm', '`(<(!--))(.+?)(-->)`sm', '`(<(pre|script|textarea)[^>]*?>)(.+?)(\2>)`sm'], 'hl_aux2', $t));
+ if (($w = strtolower($w)) === -1) {
+ return str_replace(["\x01", "\x02", "\x03", "\x04", "\x05", "\x07"], ['<', '>', "\n", "\r", "\t", ' '], $t);
+ }
+ $s = strpos(" $w", 't') ? "\t" : ' ';
+ $s = preg_match('`\d`', $w, $m) ? str_repeat($s, $m[0]) : str_repeat($s, ("\t" === $s ? 1 : 2));
+ $N = preg_match('`[ts]([1-9])`', $w, $m) ? $m[1] : 0;
+ $a = ['br' => 1];
+ $b = ['button' => 1, 'command' => 1, 'input' => 1, 'option' => 1, 'param' => 1, 'track' => 1];
+ $c = ['audio' => 1, 'canvas' => 1, 'caption' => 1, 'dd' => 1, 'dt' => 1, 'figcaption' => 1, 'h1' => 1, 'h2' => 1, 'h3' => 1, 'h4' => 1, 'h5' => 1, 'h6' => 1, 'isindex' => 1, 'label' => 1, 'legend' => 1, 'li' => 1, 'object' => 1, 'p' => 1, 'pre' => 1, 'style' => 1, 'summary' => 1, 'td' => 1, 'textarea' => 1, 'th' => 1, 'video' => 1];
+ $d = ['address' => 1, 'article' => 1, 'aside' => 1, 'blockquote' => 1, 'center' => 1, 'colgroup' => 1, 'datalist' => 1, 'details' => 1, 'dir' => 1, 'div' => 1, 'dl' => 1, 'fieldset' => 1, 'figure' => 1, 'footer' => 1, 'form' => 1, 'header' => 1, 'hgroup' => 1, 'hr' => 1, 'iframe' => 1, 'main' => 1, 'map' => 1, 'menu' => 1, 'nav' => 1, 'noscript' => 1, 'ol' => 1, 'optgroup' => 1, 'rbc' => 1, 'rtc' => 1, 'ruby' => 1, 'script' => 1, 'section' => 1, 'select' => 1, 'table' => 1, 'tbody' => 1, 'tfoot' => 1, 'thead' => 1, 'tr' => 1, 'ul' => 1];
+ $T = explode('<', $t);
+ $X = 1;
+ while ($X) {
+ $n = $N;
+ $t = $T;
+ ob_start();
+ if (isset($d[$p])) {
+ echo str_repeat($s, ++$n);
+ }
+ echo ltrim(array_shift($t));
+ for ($i = -1, $j = count($t); ++$i < $j;) {
+ $r = '';
+ list($e, $r) = explode('>', $t[$i]);
+ $x = '/' === $e[0] ? 0 : ('/' === substr($e, -1) ? 1 : ('!' !== $e[0] ? 2 : -1));
+ $y = !$x ? ltrim($e, '/') : ($x > 0 ? substr($e, 0, strcspn($e, ' ')) : 0);
+ $e = "<$e>";
+ if (isset($d[$y])) {
+ if (!$x) {
+ if ($n) {
+ echo "\n", str_repeat($s, --$n), "$e\n", str_repeat($s, $n);
+ } else {
+ ++$N;
+ ob_end_clean();
+ continue 2;
+ }
+ } else {
+ echo "\n", str_repeat($s, $n), "$e\n", str_repeat($s, (1 !== $x ? ++$n : $n));
+ }
+ echo $r;
+ continue;
+ }
+ $f = "\n" . str_repeat($s, $n);
+ if (isset($c[$y])) {
+ if (!$x) {
+ echo $e, $f, $r;
+ } else {
+ echo $f, $e, $r;
+ }
+ } elseif (isset($b[$y])) {
+ echo $f, $e, $r;
+ } elseif (isset($a[$y])) {
+ echo $e, $f, $r;
+ } elseif (!$y) {
+ echo $f, $e, $f, $r;
+ } else {
+ echo $e, $r;
+ }
+ }
+ $X = 0;
+ }
+ $t = str_replace(["\n ", " \n"], "\n", preg_replace('`[\n]\s*?[\n]+`', "\n", ob_get_contents()));
+ ob_end_clean();
+ if (($l = strpos(" $w", 'r') ? (strpos(" $w", 'n') ? "\r\n" : "\r") : 0)) {
+ $t = str_replace("\n", $l, $t);
+ }
+
+ return str_replace(["\x01", "\x02", "\x03", "\x04", "\x05", "\x07"], ['<', '>', "\n", "\r", "\t", ' '], $t);
}
-function hl_version(){
-// version
-return '1.2.4.2';
+function hl_version()
+{
+ // version
+ return '1.2.6';
}
diff --git a/htmLawedTest.php b/htmLawedTest.php
index 6475bc8..d6b4384 100755
--- a/htmLawedTest.php
+++ b/htmLawedTest.php
@@ -1,7 +1,7 @@
$v){
- $_POST[$k] = stripslashes($v);
- }
- ini_set('magic_quotes_gpc', 0);
+if (!function_exists('get_magic_quotes_gpc')) {
+ function get_magic_quotes_gpc()
+ {
+ return false;
+ }
+}
+ if (!function_exists('get_magic_quotes_runtime')) {
+ function get_magic_quotes_runtime()
+ {
+ return false;
+ }
+ }
+ if (!function_exists('set_magic_quotes_runtime')) {
+ function set_magic_quotes_runtime($new_setting)
+ {
+ return true;
+ }
+ }
+if (get_magic_quotes_gpc()) {
+ foreach ($_POST as $k => $v) {
+ $_POST[$k] = stripslashes($v);
+ }
+ ini_set('magic_quotes_gpc', 0);
}
-if(get_magic_quotes_runtime()){
- set_magic_quotes_runtime(0);
+if (get_magic_quotes_runtime()) {
+ set_magic_quotes_runtime(0);
}
-$_POST['enc'] = (isset($_POST['enc']) and preg_match('`^[-\w]+$`', $_POST['enc'])) ? $_POST['enc'] : 'utf-8';
+$_POST['enc'] = (isset($_POST['enc']) && preg_match('`^[-\w]+$`', $_POST['enc'])) ? $_POST['enc'] : 'utf-8';
// token for anti-CSRF
-if(count($_POST)){
- if((empty($_GET['pre']) and ((!empty($_POST['token']) and !empty($_SESSION['token']) and $_POST['token'] != $_SESSION['token']) or empty($_POST[$_sid]) or $_POST[$_sid] != session_id() or empty($_COOKIE[$_sid]) or $_COOKIE[$_sid] != session_id())) or ($_POST[$_sid] != session_id())){
- $_POST = array('enc'=>'utf-8');
- }
+if (count($_POST)) {
+ if ((empty($_GET['pre']) && ((!empty($_POST['token']) && !empty($_SESSION['token']) && $_POST['token'] !== $_SESSION['token']) || empty($_POST[$_sid]) || $_POST[$_sid] !== session_id() || empty($_COOKIE[$_sid]) || $_COOKIE[$_sid] !== session_id())) || ($_POST[$_sid] !== session_id())) {
+ $_POST = ['enc' => 'utf-8'];
+ }
}
-if(empty($_GET['pre'])){
- $_SESSION['token'] = md5(uniqid(rand(), 1));
- $token = $_SESSION['token'];
- session_regenerate_id(1);
+if (empty($_GET['pre'])) {
+ $_SESSION['token'] = md5(uniqid(rand(), 1));
+ $token = $_SESSION['token'];
+ session_regenerate_id(1);
}
// compress
-if(function_exists('gzencode') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) && preg_match('`gzip|deflate`i', $_SERVER['HTTP_ACCEPT_ENCODING']) && !ini_get('zlib.output_compression')){
- ob_start('ob_gzhandler');
+if (function_exists('gzencode') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) && preg_match('`gzip|deflate`i', $_SERVER['HTTP_ACCEPT_ENCODING']) && !ini_get('zlib.output_compression')) {
+ ob_start('ob_gzhandler');
}
// HTM for unprocessed
-if(isset($_POST['inputH'])){
- echo 'htmLawed test: HTML view of unprocessed input Rendering of raw/unprocessed input without an HTML doctype or charset declaration close window | htmLawed test page
', $_POST['inputH'], '
';
- exit;
+if (isset($_POST['inputH'])) {
+ echo 'htmLawed test: HTML view of unprocessed input Rendering of raw/unprocessed input without an HTML doctype or charset declaration close window | htmLawed test page
', $_POST['inputH'], '
';
+ exit;
}
// HTM for processed
-if(isset($_POST['outputH'])){
- echo 'htmLawed test: HTML view of unprocessed input Rendering of filtered/processed input without an HTML doctype or charset declaration close window | htmLawed test page
', $_POST['outputH'], '
';
- exit;
+if (isset($_POST['outputH'])) {
+ echo 'htmLawed test: HTML view of unprocessed input Rendering of filtered/processed input without an HTML doctype or charset declaration close window | htmLawed test page
', $_POST['outputH'], '
';
+ exit;
}
// main
-$_POST['text'] = isset($_POST['text']) ? $_POST['text'] : 'text to process; < '. $_limit. ' characters'. ($_hlimit ? ' (for binary hexdump view, < '. $_hlimit. ')' : '');
+$_POST['text'] = isset($_POST['text']) ? $_POST['text'] : 'text to process; < ' . $_limit . ' characters' . ($_hlimit ? ' (for binary hexdump view, < ' . $_hlimit . ')' : '');
$do = (!empty($_POST[$_sid]) && isset($_POST['text'][0]) && !isset($_POST['text'][$_limit])) ? 1 : 0;
$limit_exceeded = isset($_POST['text'][$_limit]) ? 1 : 0;
$pre_mem = memory_get_usage();
-$validation = (!empty($_POST[$_sid]) and isset($_POST['w3c_validate'][0])) ? 1 : 0;
+$validation = (!empty($_POST[$_sid]) && isset($_POST['w3c_validate'][0])) ? 1 : 0;
include './htmLawed.php';
-function format($t){
- $t = "\n". str_replace(array("\t", "\r\n", "\r", '&', '<', '>', "\n"), array(' ', "\n", "\n", '&', '<', '>', "¬
\n"), $t);
- return str_replace(array('
', "\n ", ' '), array("\n
\n", "\n ", ' '), $t);
+function format($t)
+{
+ $t = "\n" . str_replace(["\t", "\r\n", "\r", '&', '<', '>', "\n"], [' ', "\n", "\n", '&', '<', '>', "¬
\n"], $t);
+
+ return str_replace(['
', "\n ", ' '], ["\n
\n", "\n ", ' '], $t);
}
-function hexdump($d){
-// Mainly by Aidan Lister , Peter Waller
- $hexi = '';
- $ascii = '';
- ob_start();
- echo '';
- $offset = 0;
- $len = strlen($d);
- for($i=$j=0; $i<$len; $i++)
- {
- // Convert to hexidecimal
- $hexi .= sprintf("%02X ", ord($d[$i]));
- // Replace non-viewable bytes with '.'
- if(ord($d[$i]) >= 32){
- $ascii .= htmlspecialchars($d[$i]);
- }else{
- $ascii .= '.';
- }
- // Add extra column spacing
- if($j == 7){
- $hexi .= ' ';
- $ascii .= ' ';
- }
- // Add row
- if(++$j == 16 || $i == $len-1){
- // Join the hexi / ascii output
- echo sprintf("%04X %-49s %s", $offset, $hexi, $ascii);
- // Reset vars
- $hexi = $ascii = '';
- $offset += 16;
- $j = 0;
- // Add newline
- if ($i !== $len-1){
- echo "\n";
- }
- }
- }
- echo '';
- $o = ob_get_contents();
- ob_end_clean();
- return $o;
+function hexdump($d)
+{
+ // Mainly by Aidan Lister , Peter Waller
+ $hexi = '';
+ $ascii = '';
+ ob_start();
+ echo '';
+ $offset = 0;
+ $len = strlen($d);
+ for ($i = $j = 0; $i < $len; ++$i) {
+ // Convert to hexidecimal
+ $hexi .= sprintf('%02X ', ord($d[$i]));
+ // Replace non-viewable bytes with '.'
+ if (ord($d[$i]) >= 32) {
+ $ascii .= htmlspecialchars($d[$i]);
+ } else {
+ $ascii .= '.';
+ }
+ // Add extra column spacing
+ if (7 === $j) {
+ $hexi .= ' ';
+ $ascii .= ' ';
+ }
+ // Add row
+ if (16 === ++$j || $i === $len - 1) {
+ // Join the hexi / ascii output
+ echo sprintf('%04X %-49s %s', $offset, $hexi, $ascii);
+ // Reset vars
+ $hexi = $ascii = '';
+ $offset += 16;
+ $j = 0;
+ // Add newline
+ if ($i !== $len - 1) {
+ echo "\n";
+ }
+ }
+ }
+ echo '';
+ $o = ob_get_contents();
+ ob_end_clean();
+
+ return $o;
}
?>
@@ -139,7 +160,7 @@ function hexdump($d){
-
+
-
-htmLawed () test
+htmLawed () test