<?php 
$dosya = fopen('merhaba.xml', 'r+'); 
$icerik = fread($dosya, filesize('merhaba.xml')); 
#echo $icerik; 
fclose($dosya); 
preg_match('#<iframe src=\'(.*?)\' width=\'626\' height=\'367\' frameborder=\'0\' webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>#', $icerik, $videolar); 
echo $videolar; 




?>