- file_get_contents: documentation ( source)
- preg_match: documentation ( source)
<?php
$url = 'http://www.uloz.to/xWhKr2PD/1956-songs-of-a-love-affair-rar';
$content = file_get_contents($url);
if (preg_match('/Stáhnout/', $content)) echo 'found';
else echo 'not found';