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