Show youtube video thumbnails and share Vimeo video thumbnails code

This article mainly introduces the code for displaying youtube video thumbnails and Vimeo video thumbnails. For more information, see The code is as follows:
Function video_image ($ url ){
$ Image_url = parse_url ($ url );
If ($ image_url ['host'] = 'www .youtube.com '|
$ Image_url ['host'] = 'youtube. com '){
$ Array = explode ("&", $ image_url ['query']);
Return "http://img.youtube.com/vi/". substr ($ array [0], 2). "/0.jpg ";
} Else if ($ image_url ['host'] = 'www. youtu. be' |
$ Image_url ['host'] = 'youtu. be '){
$ Array = explode ("/", $ image_url ['path']);
Return "http://img.youtube.com/vi/". $ array [1]. "/0.jpg ";
} Else if ($ image_url ['host'] = 'www .vimeo.com '|
$ Image_url ['host'] = 'vimeo. com '){
$ Hash = unserialize (file_get_contents ("http://vimeo.com/api/v2/video ".
Substr ($ image_url ['path'], 1). ". php "));
Return $ hash [0] ["thumbnail_medium"];
}
}

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