<?php
 
$request = trim(strtolower($_REQUEST['username']));
 
//sleep(2);
 
usleep(150000);
 
$users = array('asdf', 'Peter', 'Peter2', 'George');
 
$valid = 'true';
 
foreach($users as $user) {
 
    if( strtolower($user) == $request )
 
        $valid = 'false';
 
}
 
echo $valid;
 
?>
 
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