3v4l.org

run code in 300+ PHP versions simultaneously
<?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 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $k in /in/e122F on line 8 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/e122F on line 8 int(0) array(0) { } Warning: Undefined variable $k in /in/e122F on line 8 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/e122F on line 8 int(0) array(0) { }
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $k in /in/e122F on line 8 int(0) array(0) { } Warning: Undefined variable $k in /in/e122F on line 8 int(0) array(0) { }
Output for 7.3.24 - 7.3.31, 7.4.12 - 7.4.33
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) { }
Output for 7.3.32 - 7.3.33
int(0) array(0) { } int(0) array(0) { }

preferences:
113 ms | 401 KiB | 114 Q