$query = htmlspecialchars($_POST["query"]);
$school = htmlspecialchars($_POST["school"]);
$category = htmlspecialchars($_POST["cat"]);
$offset = htmlspecialchars($_POST["offset"]);
$sort = htmlspecialchars($_POST["sort"]);
$amount = htmlspecialchars($_POST["amount"]);
$payload = $wt->getPosts($query, $school, $category, $sort, $offset, $amount);
break;
case "getPostByIdentifier":
require_once "../framework2/Walkntrade.php";
$wt = new Walkntrade();
$args = array_keys($_POST);
$args = split(":", $args[1]);
$identifier = htmlspecialchars($args[1]);
$school = htmlspecialchars($args[0]);
$wt->getPostByIdentifier($identifier, $school);
break;
case "getSchools":
require_once "../framework2/Walkntrade.php";
$wt = new Walkntrade();
header("Content-Type:text/xml");
$query = htmlspecialchars($_POST["query"]);
$wt->getSchools($query);
break;
case "controlPanel":
require_once "../framework2/UserMgmt.php";
$um = new UserMgmt();
if (isset($_POST["oldPw"]) && $um->checkPassword($_POST["oldPw"])) {
if (isset($_POST["email"]) && $_POST["email"] != "") {
$email = filter_var($_POST["email"], FILTER_SANITIZE_EMAIL);
switch ($um->modifyAccount($_POST["oldPw"], $email, "", "")) {
