<?php
function members(){
    $host = 'localhost';
    $user = 'root';
    $pass = 'root';
    $dbname = 'evonet';

    $db = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);
    $select = $db->query('SELECT COUNT(*) FROM clients');
    return $select->fetchColumn();
}
?>