PHP CURL Youtube Video Watch Count Function

function.php

<?php
    function video_count($v) {
        $ch = curl_init();
        $v = 'https://www.youtube.com/watch?v='.$v;
        curl_setopt($ch, CURLOPT_URL, $v);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $v = curl_exec($ch);
        curl_close($ch);
        preg_match_all('@<div class="watch-view-count">(.*?)</div>@si',$v, $c);
        $c = implode($c[1]);
        $c = explode(' ', $c);
        return $c[0];
    }
    echo video_count('u2kBNb79bN8');
?>