dataprocessor.php

<?php
$mydata = array("username"=>"password","user"=>"pass");
$name = $_POST['name'];
$pwd = $_POST['password'];
$boolean = False;
foreach($mydata as $user=>$password){
    if ($user == $name && $password == $pwd){
        echo 'Logged without problems ;)</br>';
        $boolean = True;
    }
}
if($boolean != True){
    echo 'User or Pass don\'t found.';
}
?>