<?php
$dosya= array(
    1=>'tC4k6Dn2QqQ',
    2=>'qJgQzWFQF0g',
    3=>'w0W1nz-2f_Y'
    );
$say=count($dosya);
echo "<object width=\"425\" height=\"350\"><param name=\"wmode\" value=\"transparent\"></param><embed src=\"http://www.youtube.com/v/".$dosya[mt_rand(1,$say)]."&autoplay=1&rel=0\" type=\"application/x-shockwave-flash\" wmode=\"transparent\" width=\"425\" height=\"350\"></embed></object>";
?>