<?php
    if(isset($_POST['send'])) {
        $username = sec($_POST['username']);
        $fname = sec($_POST['fname']);
        $lname = sec($_POST['lname']);
        $password = md5(sec($_POST['password']));
        $email = sec($_POST['email']);
        if(!$username||!$fname||!$lname||!$password||!$email) {
            print "אנא מלא את כל השדות";
        }
    }
?>