WP_MatchesMapRegex::callback( array $matches )
preg_replace_callback hook
Parameters
- $matches
-
(array) (Required) preg_replace regexp matches
Return
(string)
Source
File: wp-includes/class-wp-matchesmapregex.php
public function callback($matches) {
$index = intval(substr($matches[0], 9, -1));
return ( isset( $this->_matches[$index] ) ? urlencode($this->_matches[$index]) : '' );
}