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Editing: class-wp-matchesmapregex.php
<?php /** * WP_MatchesMapRegex helper class * * @package WordPress * @since 4.7.0 */ /** * Helper class to remove the need to use eval to replace $matches[] in query strings. * * @since 2.9.0 */ #[AllowDynamicProperties] class WP_MatchesMapRegex { /** * store for matches * * @var array */ private $_matches; /** * store for mapping result * * @var string */ public $output; /** * subject to perform mapping on (query string containing $matches[] references * * @var string */ private $_subject; /** * regexp pattern to match $matches[] references * * @var string */ public $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // Magic number. /** * constructor * * @param string $subject subject if regex * @param array $matches data to use in map */ public function __construct( $subject, $matches ) { $this->_subject = $subject; $this->_matches = $matches; $this->output = $this->_map(); } /** * Substitute substring matches in subject. * * static helper function to ease use * * @param string $subject subject * @param array $matches data used for substitution * @return string */ public static function apply( $subject, $matches ) { $result = new WP_MatchesMapRegex( $subject, $matches ); return $result->output; } /** * do the actual mapping * * @return string */ private function _map() { $callback = array( $this, 'callback' ); return preg_replace_callback( $this->_pattern, $callback, $this->_subject ); } /** * preg_replace_callback hook * * @param array $matches preg_replace regexp matches * @return string */ public function callback( $matches ) { $index = (int) substr( $matches[0], 9, -1 ); return ( isset( $this->_matches[ $index ] ) ? urlencode( $this->_matches[ $index ] ) : '' ); } }
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