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run code in 200+ php & hhvm versions
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<?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); }
Output for 5.6.26
Notice: Undefined variable: k in /in/e122F on line 8 int(0) array(0) { } Notice: Undefined variable: k in /in/e122F on line 8 int(0) array(0) { }