// Trim the query of everything up to the '?'.
$query = preg_replace("!^.+\?!", '', $query);
-
+
// Substitute the substring matches into the query.
$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
/**
* 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
*/
var $_matches;
-
+
/**
* store for mapping result
- *
+ *
* @access public
* @var string
*/
var $output;
-
+
/**
* subject to perform mapping on (query string containing $matches[] references
- *
+ *
* @access private
* @var string
*/
var $_subject;
-
+
/**
- * regexp pattern to match $matches[] references
- *
+ * regexp pattern to match $matches[] references
+ *
* @var string
*/
var $_pattern = '(\$matches\[[1-9]+[0-9]*\])'; // magic number
-
+
/**
* constructor
- *
+ *
* @param string $subject subject if regex
* @param array $matches data to use in map
* @return self
- */
+ */
function WP_MatchesMapRegex($subject, $matches) {
$this->_subject = $subject;
$this->_matches = $matches;
- $this->output = $this->_map();
+ $this->output = $this->_map();
}
-
+
/**
* Substitute substring matches in subject.
- *
+ *
* static helper function to ease use
- *
+ *
* @access public
* @param string $subject subject
* @param array $matches data used for subsitution
*/
function apply($subject, $matches) {
$oSelf =& new WP_MatchesMapRegex($subject, $matches);
- return $oSelf->output;
+ return $oSelf->output;
}
-
+
/**
- * do the actual mapping
- *
+ * do the actual mapping
+ *
* @access private
* @return string
*/
$callback = array(&$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
$index = intval(substr($matches[0], 9, -1));
return ( isset( $this->_matches[$index] ) ? $this->_matches[$index] : '' );
}
-
+
}
?>