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run code in 150+ php & hhvm versions
Bugs & Features
<?php function getYouTubeId($yturl) { $pattern = '~(?:http|https|)(?::\/\/|)(?:www.|)(?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch\?v=|\/ytscreeningroom\?v=|\/feeds\/api\/videos\/|\/user\S*[^\w\-\s]|\S*[^\w\-\s]))([\w\-]{11})[a-z0-9;:@?&%=+\/\$_.-]*~i'; return (preg_replace($pattern, '$1', $youtube_url)); } var_dump ("http://www.youtube.com/watch?v=ty9QSiVC2g0");
Output for 4.3.0 - 7.1.0
string(42) "http://www.youtube.com/watch?v=ty9QSiVC2g0"