vocabulary_controller.php

<?php
/*
This file is part of verb-o-matic. Copyright 2008 Luzius Thöny.

    verb-o-matic is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    verb-o-matic is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with verb-o-matic.  If not, see <http://www.gnu.org/licenses/>.
*/

session_start();
header('Content-Type: text/html; charset=utf-8');

$data = $_SESSION["data"];
$currentLemma = $_SESSION["currentLemma"];
$feedback = $_GET["feedback"]; 

// handle feedback
$i = $data[$currentLemma][1];
if ($feedback == "passed") {
	$i++;
	if ($i > 1) $i = 1;
} else if ($feedback == "failed") {
	$i--;
	if ($i < -1) $i = -1;
}

$data[$currentLemma][1] = $i;


// let's see if the user's solution was correct and if we should move on to the next wordForm
if (count($data) > 0) {
	if ($i == 1) {
		unset($data[$currentLemma]);
	}
}

$_SESSION["data"] = $data;

if (count($data) == 0)  {
	header("Location: vocabulary_done.php?" . SID );
} else {
	header("Location: vocabulary.php?" . SID );
}


?>