} $name = substr($_POST["name"], 0, 30); $email = substr($_POST["email"], 0, 40); $password = substr($_POST["password"], 0, 16); $repassword = substr($_POST["repassword"], 0, 16); $username = substr($_POST["username"], 0, 30); $arr = array($name, $email, $password, $repassword, $username); foreach ($arr as $value) { if ($value == "") { die("name cannot be empty"); } } $valne = new validation(); $valne->name($name); $valne->email($email); $valne->username($username); $con = new MongoClient(); if ($con) { $db = $con->{$users}; $people = $db->{$myusers}; $qry = array("email" => $email); $result = $people->findOne($qry); if ($result) { $success = "<div class='alert alert-warning'><strong>Alert !</strong> {$email} already exists </div>"; echo $success; die; } $qry1 = array("username" => $username); $result1 = $people->findOne($qry1); if ($result1) { $success1 = "<div class='alert alert-warning'><strong>Alert !</strong> {$username} already exists</div>";