try {
$result = call_user_func_array($func, $this->args);
- if ( $result === false || $result === NULL ) {
+ if ( $result === false || $result === null ) {
wfDebug( __METHOD__ . ' ERROR while dispatching '
. $this->func_name . "(" . var_export( $this->args, true ) . "): "
. "no data returned\n" );