如何从URL获取视频ID？ （Vimeo的）

PHP

PHP

<?php

$url = 'https://vimeo.com/25451551';

/* https://www.vimeo.com/25451551 ... www.vimeo.com/25451551 */

$url = preg_match('???', $url);

echo $url;

?>
<?php

$url = 'https://vimeo.com/25