mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-27 08:09:49 +02:00
See #37827. Built from https://develop.svn.wordpress.org/trunk@38376 git-svn-id: http://core.svn.wordpress.org/trunk@38317 1a063a9b-81f0-0310-95a4-ce76da25c4cd
98 lines
1.9 KiB
PHP
98 lines
1.9 KiB
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
|
|
*/
|
|
class WP_MatchesMapRegex {
|
|
/**
|
|
* store for matches
|
|
*
|
|
* @access private
|
|
* @var array
|
|
*/
|
|
private $_matches;
|
|
|
|
/**
|
|
* store for mapping result
|
|
*
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $output;
|
|
|
|
/**
|
|
* subject to perform mapping on (query string containing $matches[] references
|
|
*
|
|
* @access private
|
|
* @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
|
|
*
|
|
* @static
|
|
* @access public
|
|
*
|
|
* @param string $subject subject
|
|
* @param array $matches data used for substitution
|
|
* @return string
|
|
*/
|
|
public static function apply($subject, $matches) {
|
|
$oSelf = new WP_MatchesMapRegex($subject, $matches);
|
|
return $oSelf->output;
|
|
}
|
|
|
|
/**
|
|
* do the actual mapping
|
|
*
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
private function _map() {
|
|
$callback = array($this, 'callback');
|
|
return preg_replace_callback($this->_pattern, $callback, $this->_subject);
|
|
}
|
|
|
|
/**
|
|
* preg_replace_callback hook
|
|
*
|
|
* @access public
|
|
* @param array $matches preg_replace regexp matches
|
|
* @return string
|
|
*/
|
|
public function callback($matches) {
|
|
$index = intval(substr($matches[0], 9, -1));
|
|
return ( isset( $this->_matches[$index] ) ? urlencode($this->_matches[$index]) : '' );
|
|
}
|
|
}
|