verify_nodiff.php

<?php
include_once "index.php";
$wgConf = new stdClass();

include_once "{$argv[1]}";
$defined = print_r( array( get_defined_vars(), get_defined_constants() ), true );
$defined = explode(PHP_EOL, $defined);
asort($defined);
$defined = implode(PHP_EOL, $defined);
file_put_contents( "defined-{$argv[1]}.txt", $defined );