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Forked from MarioRicalde/youtube-url-regexp.php
Created April 19, 2013 20:49
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<?php
/**
* YouTube Preg Match Test Case.
*
* @author Mario "Kuroir" Ricalde
*/
// Regular Expression (the magic).
$youtube_regexp = "/^http:\/\/(?:www\.)?(?:youtube.com|youtu.be)\/(?:watch\?(?=.*v=([\w\-]+))(?:\S+)?|([\w\-]+))$/";
// The test urls, one per line.
$urls = <<<EOF
http://www.youtube.com/watch?v=4-iI6UnKUCs&feature=grec_index
http://www.youtube.com/watch?v=4-iI6UnKUCs
http://www.youtube.com/watch?v=QNnz_ktVggQ&NR=1
http://youtu.be/QNnz_ktVAA
http://youtu.x
EOF;
// Turn each line into one single element in an array.
$urls = explode("\n", $urls);
foreach ($urls as $url) {
// Match a URL.
preg_match($youtube_regexp, $url, $matches);
// Remove empty values from the array (regexp shit).
$matches = array_filter($matches, function($var) {
return($var !== '');
});
// If we have 2 elements in array, it means we got a valid url!
// $matches[2] is the youtube ID!
if (sizeof($matches) == 2) {
var_dump($matches);
}
}
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