3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php //modify instagram embed code. $code = '<iframe src="//instagram.com/p/mJ1-QxtlVg/embed/" width="600" height="696" frameborder="0" scrolling="no" allowtransparency="true"></iframe>'; $instagramEmbedPattern = 'instagram\.com\/p\/(.*)\/embed\/?'; preg_match($instagramEmbedPattern, $code, $matches); if (2 === count($matches)) { echo $matches[1]; }
Output for 4.3.11 - 7.1.0
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/6a54t on line 5
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/6a54t on line 5