ValidateDDDBrazil

<?php
public function validateMobile($mobile)
    {
        $dddsBrazil = array_merge(
            range(11, 19),
            [21,22,24,27,28,],
            range(31,35),
            [37,38,],
            range(41, 49),
            [51,53,54,55,],
            range(61, 69),
            [71,73,74,75,77,79,],
            range(81, 89),
            range(91, 99)
        );
        $cleanNumber = preg_replace('/[^0-9]/','', $mobile);
        $mobileDdd = substr($cleanNumber, 0, 2);

        // Has a valid ddd number?
        if (!in_array($mobileDdd, $dddsBrazil)) {
            return false;
        }
        if (!in_array(strlen($cleanNumber), [10,11]) ) {
            return false;
        }
        return true;
    }