<?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';
$youtube_url = array(
"https://youtu.be/yVpbFMhOAwE",
"https://www.youtube.com/embed/yVpbFMhOAwE",
"youtu.be/yVpbFMhOAwE",
"youtube.com/watch?v=yVpbFMhOAwE",
"http://youtu.be/yVpbFMhOAwE",
"http://www.youtube.com/embed/yVpbFMhOAwE",
"http://www.youtube.com/watch?v=yVpbFMhOAwE",
"http://www.youtube.com/watch?v=yVpbFMhOAwE&feature=g-vrec",
"http://www.youtube.com/watch?v=yVpbFMhOAwE&feature=player_embedded",
"http://www.youtube.com/v/yVpbFMhOAwE?fs=1&hl=en_US",
"http://www.youtube.com/ytscreeningroom?v=yVpbFMhOAwE",
"http://www.youtube.com/watch?NR=1&feature=endscreen&v=yVpbFMhOAwE",
"http://www.youtube.com/user/Scobleizer#p/u/1/1p3vcRhsYGo",
"http://www.youtube.com/watch?v=6zUVS4kJtrA&feature=c4-overview-vl&list=PLbzoR-pLrL6qucl8-lOnzvhFc2UM1tcZA",
);
foreach($youtube_url as $youtube_url) {
$youtube_id = (preg_replace($pattern, '$1', $youtube_url));
var_dump ($youtube_id);
}
preferences:
47.55 ms | 402 KiB | 5 Q