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divi/includes/builder/class-et-builder-module-features.php
2021-12-07 11:08:05 +00:00

98 lines
2.2 KiB
PHP

<?php
/**
* Module Features feature class.
*
* @package Divi
* @subpackage Builder
* @since 4.10.0
*/
/**
* Handles Builder Module Features.
*
* @since 4.10.0
*/
class ET_Builder_Module_Features extends ET_Builder_Post_Feature_Base {
const CACHE_META_KEY = '_et_builder_module_features_cache';
/**
* Cache group.
*
* @access protected
* @var array
*/
protected $_cache_group = [];
/**
* Construct instance.
*/
public function __construct() {
parent::__construct();
// Get shortcode tag / attributes.
add_filter( 'pre_do_shortcode_tag', [ $this, 'set_cache_group' ], 99, 3 );
add_filter( 'do_shortcode_tag', [ $this, 'restore_previous_cache_group' ] );
}
/**
* Creates a key from a shortcode tag and its attributes.
*
* @since 4.10.0
* @access public
* @param string $tag Shortcode tag.
* @param string $attrs Shortcode attributes.
*
* @return string
*/
public static function get_key( $tag, $attrs ) {
$key = $tag . '_' . md5( wp_json_encode( $attrs ) );
return $key;
}
/**
* Set cache group.
*
* @since 4.10.0
* @access public
* @param mixed $override Whether to override do_shortcode return value or not.
* @param string $tag Shortcode tag.
* @param string $attrs Shortcode attributes.
* @return mixed
*/
public function set_cache_group( $override, $tag, $attrs ) {
$this->_cache_group[] = self::get_key( $tag, $attrs );
return $override;
}
/**
* Restore previous cache group when current shortcode execution ends.
*
* @since 4.10.0
* @access public
* @param mixed $output Shortcode content.
* @return mixed
*/
public function restore_previous_cache_group( $output ) {
// Get rid of current shortcode cache group.
array_pop( $this->_cache_group );
return $output;
}
/**
* Check for cached value.
*
* First check cache if present, if not, determine
* from calling the callback.
*
* @param string $key Name of item.
* @param function $cb Callback function to perform logic.
* @param string $group Cache group.
*
* @return bool/mixed Result.
*/
public function get( $key, $cb, $group = 'default' ) {
return parent::get( $key, $cb, end( $this->_cache_group ) );
}
}