- var_dump: documentation ( source)
- parse_url: documentation ( source)
- preg_replace: documentation ( source)
<?php
$url = 'http://seos.bolseo.ru/index.php?module=2&siteID=235';
$parsed_url = parse_url($url);
$path = preg_replace('#^/index\.[a-z]+#', '', $parsed_url['path']);
var_dump($path);