Initial state

action/action_facultades_select.php

@@ -0,0 +1,15 @@
+<?php
+$ruta = "../";
+require_once "../class/c_login.php";
+
+// check if the session is started
+if (!isset($_SESSION['user']))
+    die(json_encode(['error' => 'No se ha iniciado sesión']));
+
+$user = unserialize($_SESSION['user']);
+$ruta = "../";
+require_once "../include/bd_pdo.php";
+global $pdo;
+$sql = "SELECT * FROM facultad WHERE facultad_id = :idFacultad";
+$params = [':idFacultad' => $_POST['id_facultad']];
+echo json_encode(query($sql, $params, false));