<?php
$site = file_get_contents("a.html");
preg_match_all('#<script type="text\/javascript">yansit\(\'(.*?)\'\)<\/script>#si',$site, $cek, PREG_SET_ORDER);
foreach($cek as $veri){
	echo $veri[1];
}

?>
a.html yerine adresi yazıp deneyin..