<?php
$url = "https://video.com/view123456789/name_video_example";
$e = explode("/",$url);
$result = preg_replace("/[^0-9]/", '', $e[3]);
echo $result;
?>
<?php
$url = "https://video.com/view123456789/name_video_example";
$e = explode("/",$url);
$result = preg_replace("/[^0-9]/", '', $e[3]);
echo $result;
?>