img: fix srcset pattern and src default value

.github/workflows/coding-standards.yml

@@ -20,14 +20,14 @@ jobs:
         with:
           coverage: "none"
           php-version: "7.4"
-          tools: cs2pr, pecl, composer:v1
+          tools: cs2pr, pecl, composer:v2
           extensions: tidy
           ini-values: "date.timezone=Europe/Paris"
         env:
           COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
         with:
           composer-options: "--optimize-autoloader --prefer-dist"
 

.github/workflows/continuous-integration.yml

@@ -0,0 +1,43 @@
+name: "CI"
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  phpunit:
+    name: "PHP ${{ matrix.php }}"
+    runs-on: "ubuntu-20.04"
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php:
+          - "7.2"
+          - "7.3"
+          - "7.4"
+          - "8.0"
+          - "8.1"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: none
+          tools: pecl, composer:v2
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v2"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Run PHPUnit"
+        run: "php vendor/bin/phpunit --color tests"

composer.json

@@ -15,15 +15,21 @@
       }
     ],
     "require":{
-        "php":">4.4.0"
+        "php":">=7.2"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.0"
+        "friendsofphp/php-cs-fixer": "~3.4.0",
+        "phpunit/phpunit": "^8.5"
     },
     "replace":{
         "htmlawed/htmlawed": "*"
     },
      "autoload": {
         "files": ["htmLawed.php"]
+    },
+    "config":{
+        "platform": {
+            "php": "7.2.34"
+        }
     }
 }