add prefix to global variables

[xecdev]

This PR fixes #91 (WordPress.NamingConventions error) by prefixing global variables with paybutton_.

Test plan:

• Install the updated plugin
• Check the plugin with PCP (Plugin Check) for WordPress.NamingConventions errors.
• Verify there are no errros

Greptile Overview

Greptile Summary

Added paybutton_ prefix to global variables across template files and classes to comply with WordPress coding standards.

• Prefixed variables passed to templates in class-paybutton-admin.php and class-paybutton-public.php
• Updated all loop variables ($row → $paybutton_row) across admin and public templates
• Renamed local variables in templates to include paybutton_ prefix
• Added proper phpcs ignore comment for WordPress core hook the_content
• Issue: templates/public/profile.php has incomplete prefixing - variables $title and $link on lines 17-18 are missing the paybutton_ prefix, inconsistent with the rest of the changes

Confidence Score: 2/5

• This PR has incomplete implementation that will cause undefined variable errors
• The changes are syntactically correct and follow WordPress coding standards, but templates/public/profile.php has inconsistent variable naming where $title and $link are missing the paybutton_ prefix while being used in the template. This creates undefined variable references since the template expects $paybutton_title and $paybutton_link but these are never defined.
• templates/public/profile.php requires immediate attention - lines 17-20 have unprefixed variables that will cause runtime errors

Important Files Changed

File Analysis

Filename	Score	Overview
includes/class-paybutton-public.php	5/5	Renamed variables to include paybutton_ prefix for WordPress coding standards compliance
templates/admin/customers.php	5/5	Consistently prefixed all template variables with paybutton_ throughout the file
templates/public/profile.php	1/5	Partially updated variables - missing prefix on $title and $link loop variables

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant Template as Template Files
    participant Class as PHP Classes
    participant WP as WordPress Core
    
    Note over Dev,WP: Global Variable Prefixing Changes
    
    Dev->>Class: Update class-paybutton-admin.php
    Class->>Class: Rename array key to paybutton_admin_wallet_address
    
    Dev->>Class: Update class-paybutton-public.php
    Class->>Class: Rename $user_wallet_address → $paybutton_user_wallet_address
    Class->>Class: Rename $rows → $paybutton_rows
    Class->>Template: Pass prefixed variables to templates
    
    Dev->>Class: Update class-paybutton-ajax.php
    Class->>WP: Add phpcs:ignore for core hook
    Note over Class,WP: Core WordPress hook doesn't need prefix
    
    Dev->>Template: Update admin templates
    Template->>Template: Prefix all loop variables with paybutton_
    Template->>Template: Rename $row → $paybutton_row
    Template->>Template: Rename local vars (permalink, post_title, etc)
    
    Dev->>Template: Update public templates
    Template->>Template: Receive prefixed variables
    Template->>Template: Update sticky-header.php ✓
    Template->>Template: Update profile.php (incomplete)
    Note over Template: $title and $link missing prefix
    
    Note over Dev,WP: WordPress Coding Standards Compliance

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[coderabbitai]

Walkthrough

This pull request systematically renames variables and template data keys across the codebase by adding a paybutton_ prefix for consistency and clarity. Changes include renaming admin wallet address variables, user wallet address variables, and row iteration variables in PHP classes and template files. No functional logic or control flow modifications are introduced.

Changes

Cohort / File(s)	Summary
Admin Class Files includes/class-paybutton-admin.php, includes/class-paybutton-ajax.php, includes/class-paybutton-public.php	Renamed local variables and template data keys to use paybutton_ prefix for consistency. In admin.php, template key admin_wallet_address → paybutton_admin_wallet_address. In public.php, renamed user_wallet_address → paybutton_user_wallet_address and rows → paybutton_rows. In ajax.php, added PHPCS linting directive comment on the_content filter invocation.
Admin Templates templates/admin/content.php, templates/admin/customers.php, templates/admin/paybutton-generator.php, templates/admin/paywall-settings.php	Updated all variable references to use paybutton_ prefixed names (e.g., $row → $paybutton_row, $admin_address → $paybutton_admin_wallet_address). Refactored foreach iterations and array/object property access to align with renamed variables. Template keys and data lookups updated accordingly.
Public Templates templates/public/profile.php, templates/public/sticky-header.php	Updated variable references from user_wallet_address → paybutton_user_wallet_address, rows → paybutton_rows, and $row → $paybutton_row. Conditional checks and iteration logic updated to use new variable names.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

• These changes follow a consistent, repetitive renaming pattern across multiple files
• No complex logic changes or behavioral modifications; primarily variable aliasing for consistency
• Main review focus: verify all variable references were updated consistently and no references were missed

Suggested labels

enhancement (behind the scenes)

Suggested reviewers

• Klakurka

Poem

🐰 Variables dance in prefixed rows,
With "paybutton_" prefix each one glows,
Consistency blooms from shore to shore,
Clean code hopping, forevermore! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'add prefix to global variables' accurately describes the main change: systematically prefixing local variables throughout the codebase with 'paybutton_' to improve namespace clarity and avoid conflicts.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/add-prefix-to-global-variables

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 5d1b3fb and 86d7f9c.

📒 Files selected for processing (9)

• includes/class-paybutton-admin.php (1 hunks)
• includes/class-paybutton-ajax.php (1 hunks)
• includes/class-paybutton-public.php (2 hunks)
• templates/admin/content.php (1 hunks)
• templates/admin/customers.php (2 hunks)
• templates/admin/paybutton-generator.php (2 hunks)
• templates/admin/paywall-settings.php (1 hunks)
• templates/public/profile.php (1 hunks)
• templates/public/sticky-header.php (2 hunks)

🧰 Additional context used

🧬 Code graph analysis (1)

includes/class-paybutton-public.php (1)

includes/class-paybutton-state.php (1)

• get_address (139-150)

🔇 Additional comments (12)

includes/class-paybutton-ajax.php (1)

400-400: LGTM!

The phpcs:ignore directive correctly suppresses the warning for the core WordPress the_content hook, which should not be prefixed. The inline comment clearly explains why the suppression is needed.

templates/admin/paywall-settings.php (1)

20-21: LGTM!

The variable rename from $admin_wallet_address to $paybutton_admin_wallet_address improves clarity and consistency. The change aligns with the template data key passed from includes/class-paybutton-admin.php (line 207).

includes/class-paybutton-admin.php (1)

207-207: LGTM!

Renaming the template data key from admin_wallet_address to paybutton_admin_wallet_address improves consistency, as it now matches the option key. The corresponding template file has been updated accordingly.

templates/public/sticky-header.php (2)

6-7: LGTM!

The variable rename from $admin_wallet_address to $paybutton_admin_wallet_address maintains consistency with the naming convention applied across admin templates and classes.

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42-42: LGTM!

The variable rename from $user_wallet_address to $paybutton_user_wallet_address aligns with the template data key passed from includes/class-paybutton-public.php (line 168).

templates/admin/paybutton-generator.php (1)

6-6: LGTM!

The variable rename from $admin_address to $paybutton_admin_wallet_address improves consistency with other admin templates and makes the purpose of the variable more explicit.

Also applies to: 25-25

templates/public/profile.php (1)

9-10: LGTM!

The systematic variable renaming improves consistency across the template:

• $user_wallet_address → $paybutton_user_wallet_address
• $rows → $paybutton_rows
• $row → $paybutton_row

All references are updated consistently and align with the template data keys passed from includes/class-paybutton-public.php.

Also applies to: 14-22

includes/class-paybutton-public.php (2)

166-169: LGTM!

The variable rename from $user_wallet_address to $paybutton_user_wallet_address and the corresponding template data key update maintain consistency with the updated templates/public/sticky-header.php template.

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283-297: LGTM!

The systematic variable renaming in profile_shortcode() is consistent and correct:

• $user_wallet_address → $paybutton_user_wallet_address
• $rows → $paybutton_rows

All SQL query placeholders and template data keys have been updated accordingly, maintaining proper data flow to the updated templates/public/profile.php template.

templates/admin/content.php (1)

40-56: LGTM!

The variable renaming in the content loop is consistent:

• $row → $paybutton_row
• $permalink → $paybutton_permalink

All array access operations and output statements have been updated accordingly, maintaining correct data flow and template rendering.

templates/admin/customers.php (2)

24-59: LGTM! Consistent variable renaming in first table.

The iteration variable and all derived variables have been correctly renamed with the paybutton_ prefix. The logic, security escaping, and conditional behavior remain unchanged. This follows WordPress plugin best practices for avoiding naming collisions.

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101-137: LGTM! Consistent variable renaming in second table.

The iteration variable and derived variables have been correctly renamed with the paybutton_ prefix. All array access operations are updated consistently, and the timestamp conversion logic remains unchanged. The security functions are properly maintained.

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