- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
$str = ['<script src="//player.performgroup.com/eplayer.js#40062f4fff8ff6752a9407661d.8x9cck2d0td21dyvbmpnrk9b3$videoid=1484247gdg03b1lctmlsd1dk8p" async="" type="text/javascript">',
'<a href="qweqwe">qwe</a>',
];
foreach ($str as $s) {
$a = preg_match('/player\.performgroup\.com\/eplayer\.js/', $k, $m);
var_dump($a, $m);
}