<?php

$mysql_host = 'xxx';
$port = '3307';
$username = 'xxx';
$password = 'xxx';
$database = 'xxx';

$db = new PDO('mysql:host='.$mysql_host.';dbname='.$database.';port='.$port, $username, $password );
$qry = $db -> prepare("SELECT Count(*) AS c FROM user_data");
$qry -> execute();
$r = $qry -> fetchAll();
print_r($r);
?>