Cosa ho sbagliato ?Codice PHP:
<?php
$source = file_get_contents("http://www.xxx.xx.xx");
preg_match_all("\<table class\=\"forumline\" border\=\"0\" cellpadding\=\"2\" cellspacing\=\"1\" width\=\"100%\>(.*) Utenti \<\/span\>\<\/td\>",$source, $stamp);
echo $stamp;
?>