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>
99 lines
2.5 KiB
PHP
Executable File
99 lines
2.5 KiB
PHP
Executable File
<?php
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/**
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* File: UserExperience_LazyLoad_Mutator_Picture.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_Picture
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*/
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class UserExperience_LazyLoad_Mutator_Picture {
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/**
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* Constructor for the UserExperience_LazyLoad_Mutator_Picture class.
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*
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* An instance of a common utility class used to process image and source tags.
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*
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* @var object
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*/
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private $common;
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/**
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* Initializes the class with a common utility instance.
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*
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* @param object $common An instance of a utility class for handling image and source tag processing.
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*
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* @return void
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*/
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public function __construct( $common ) {
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$this->common = $common;
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}
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/**
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* Processes the provided content to modify `<img>` and `<source>` tags.
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*
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* This method replaces the `srcset` and `sizes` attributes in `<source>` tags with `data-srcset` and `data-sizes`,
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* and applies custom modifications to `<img>` tags using utility methods.
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*
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* @param string $content The content containing `<img>` and `<source>` tags to be processed.
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*
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* @return string The modified content with lazy-loading attributes applied.
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*/
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public function run( $content ) {
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$content = preg_replace_callback(
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'~(<img\s[^>]+>)~i',
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array( $this, 'tag_img' ),
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$content
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);
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$content = preg_replace_callback(
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'~(<source\s[^>]+>)~i',
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array( $this, 'tag_source' ),
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$content
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);
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return $content;
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}
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/**
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* Processes a matched `<img>` tag.
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*
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* This method retrieves the dimensions of the image and replaces its attributes with lazy-loading compatible attributes.
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*
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* @param array $matches The matches from the regular expression containing the `<img>` tag.
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*
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* @return string The modified `<img>` tag with lazy-loading attributes applied.
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*/
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public function tag_img( $matches ) {
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$content = $matches[0];
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// get image dimensions.
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$dim = $this->common->tag_get_dimensions( $content );
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return $this->common->tag_img_content_replace( $content, $dim );
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}
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/**
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* Processes a matched `<source>` tag.
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*
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* This method replaces the `srcset` and `sizes` attributes with `data-srcset` and `data-sizes`
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* to delay loading the sources until needed.
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*
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* @param array $matches The matches from the regular expression containing the `<source>` tag.
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*
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* @return string The modified `<source>` tag with lazy-loading attributes applied.
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*/
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private function tag_source( $matches ) {
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$content = $matches[0];
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$content = preg_replace(
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'~(\s)(srcset|sizes)=~i',
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'$1data-$2=',
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$content
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);
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return $content;
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}
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}
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