if($_SERVER['REQUEST_METHOD'] == 'POST') {
	$query = Query("SELECT * FROM `users` WHERE `username` LIKE ".Quotes("%".$_POST['tag']."%")." ORDER BY 'username'");
	if(numRows($query) == 0) {
		echo '<div class="warning">Er zijn geen leden gevonden.</div>';
	}
	$members = array();
	while($fetch = Fetch($query)) {
		$members[] = $fetch['username'];
	}
}
else {
	$members = array('Rogier', 'Mikhail', 'David', 'Wietse');
}