標籤: PHP5

取得 youtube id

youtube 現在分享網址有好多種，

可能是這樣：

https://youtu.be/p_T3oNKjAT8

可能是這樣：

https://www.youtube.com/watch?v=p_T3oNKjAT8

不確定User會填入哪一種分享網址的情況下，下面這方法可以解析出這些類型的 youtube id

• http://youtube.com/v/dQw4w9WgXcQ?feature=youtube_gdata_player
• http://youtube.com/vi/dQw4w9WgXcQ?feature=youtube_gdata_player
• http://youtube.com/?v=dQw4w9WgXcQ&feature=youtube_gdata_player
• http://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtube_gdata_player
• http://youtube.com/?vi=dQw4w9WgXcQ&feature=youtube_gdata_player
• http://youtube.com/watch?v=dQw4w9WgXcQ&feature=youtube_gdata_player
• http://youtube.com/watch?vi=dQw4w9WgXcQ&feature=youtube_gdata_player
• http://youtu.be/dQw4w9WgXcQ?feature=youtube_gdata_player

試試看：

<?php
/**
 * Get Youtube video ID from URL
 *
 * @param string $url
 * @return mixed Youtube video ID or FALSE if not found
 */
function getYoutubeIdFromUrl($url) {
    $parts = parse_url($url);
    if(isset($parts['query'])){
        parse_str($parts['query'], $qs);
        if(isset($qs['v'])){
            return $qs['v'];
        }else if(isset($qs['vi'])){
            return $qs['vi'];
        }
    }
    if(isset($parts['path'])){
        $path = explode('/', trim($parts['path'], '/'));
        return $path[count($path)-1];
    }
    return false;
}
// Test
$urls = array(
    'http://youtube.com/v/dQw4w9WgXcQ?feature=youtube_gdata_player',
    'http://youtube.com/vi/dQw4w9WgXcQ?feature=youtube_gdata_player',
    'http://youtube.com/?v=dQw4w9WgXcQ&feature=youtube_gdata_player',
    'http://www.youtube.com/watch?v=dQw4w9WgXcQ&feature=youtube_gdata_player',
    'http://youtube.com/?vi=dQw4w9WgXcQ&feature=youtube_gdata_player',
    'http://youtube.com/watch?v=dQw4w9WgXcQ&feature=youtube_gdata_player',
    'http://youtube.com/watch?vi=dQw4w9WgXcQ&feature=youtube_gdata_player',
    'http://youtu.be/dQw4w9WgXcQ?feature=youtube_gdata_player'
);
foreach($urls as $url){
    echo $url . ' : ' . getYoutubeIdFromUrl($url) . "\n";
}

 [……]

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