a22573bf0b
- WordPress core y plugins - Tema Twenty Twenty-Four configurado - Plugin allow-unfiltered-html.php simplificado - .gitignore configurado para excluir wp-config.php y uploads 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
103 lines
2.9 KiB
PHP
Executable File
103 lines
2.9 KiB
PHP
Executable File
<?php
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/**
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* File: UserExperience_LazyLoad_Mutator_Unmutable.php
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*
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* @package W3TC
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*/
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namespace W3TC;
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/**
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* Class UserExperience_LazyLoad_Mutator_Unmutable
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*/
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class UserExperience_LazyLoad_Mutator_Unmutable {
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/**
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* An array mapping unique keys to unmutable content (e.g., scripts and styles).
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*
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* @var array
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*/
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private $placeholders = array();
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/**
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* A base string used to create unique keys for placeholders.
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*
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* @var string
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*/
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private $placeholder_base = '';
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/**
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* Constructor for the UserExperience_LazyLoad_Mutator_Unmutable class.
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*
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* Initializes the placeholder base using a hash generated from the server's request time.
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*
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* @return void
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*/
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public function __construct() {
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$this->placeholder_base = 'w3tc_lazyload_' . md5(
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isset( $_SERVER['REQUEST_TIME'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_TIME'] ) ) : ''
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) . '_';
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}
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/**
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* Replaces unmutable content (e.g., scripts and styles) in the provided buffer with placeholders.
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*
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* This method identifies `<script>` and `<style>` tags in the buffer and replaces them
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* with unique placeholders to allow lazy loading or other transformations.
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*
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* @param string $buffer The HTML content buffer to process.
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*
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* @return string The modified buffer with placeholders replacing the unmutable content.
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*/
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public function remove_unmutable( $buffer ) {
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// scripts.
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$buffer = preg_replace_callback(
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'~<script(\b[^>]*)>(.*?)</script>~is',
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array( $this, 'placeholder' ),
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$buffer
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);
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// styles.
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$buffer = preg_replace_callback(
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'~\s*<style(\b[^>]*)>(.*?)</style>~is',
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array( $this, 'placeholder' ),
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$buffer
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);
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return $buffer;
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}
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/**
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* Restores unmutable content in the provided buffer by replacing placeholders with their original content.
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*
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* This method replaces previously added placeholders with their associated content stored in `$placeholders`.
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*
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* @param string $buffer The HTML content buffer containing placeholders.
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*
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* @return string The restored buffer with original unmutable content.
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*/
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public function restore_unmutable( $buffer ) {
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return str_replace(
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array_keys( $this->placeholders ),
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array_values( $this->placeholders ),
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$buffer
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);
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}
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/**
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* Generates a unique placeholder for a matched piece of unmutable content and stores it.
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*
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* This method is called internally by `remove_unmutable` to replace matches (e.g., scripts and styles)
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* with unique placeholders. The original content is stored in `$placeholders`.
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*
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* @param array $matches The matches found by the `preg_replace_callback` function,
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* where the full match is at index 0.
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*
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* @return string The generated placeholder key.
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*/
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public function placeholder( $matches ) {
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$key = '{' . $this->placeholder_base . count( $this->placeholders ) . '}';
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$this->placeholders[ $key ] = $matches[0];
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return $key;
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}
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}
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