3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $pattern = '~(?:http|https|)(?::\/\/|)(?:www.|)(?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch\?v=|\/ytscreeningroom\?v=|\/feeds\/api\/videos\/|\/user\S*[^\w\-\s]|\S*[^\w\-\s]))([\w\-]{11})[a-z0-9;:@?&%=+\/\$_.-]*~i'; $youtube_url = "http://www.youtube.com/watch?v=ty9QSiVC2g0"; $youtube_id = (preg_replace($pattern, '$1', $youtube_url)); var_dump ($youtube_id);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(11) "ty9QSiVC2g0"