<?php require_once '../_lib/GetData.php'; if (isset($_POST["operation"])) { switch ($_POST["operation"]) { case 'academicyear': if (isset($_POST["inst_id"])) { $instID = $_POST["inst_id"]; $academicyear = getData::getCurrentAcademicYear($instID); $academicyear_Json = json_encode($academicyear); echo $academicyear_Json; } break; case 'departments': if (isset($_POST["inst_id"])) { $instID = $_POST["inst_id"]; $departments = getData::getDepartments($instID); $departments_Json = json_encode($departments); echo $departments_Json; } break; case 'departmentyears': if (isset($_POST["inst_id"]) && isset($_POST["dep_id"])) { $instID = $_POST["inst_id"]; $depID = $_POST["dep_id"]; $departmentyears = getData::getDepartmentYear($instID, $depID); $departmentyears_Json = json_encode($departmentyears); echo $departmentyears_Json; } break; case 'groups':