Pw login and Language

login_and_language.php

<?php 

// idioma
$user->language = $session->idioma;
  if ($input->get->idioma) { 
	  $session->idioma = $input->get->idioma;
	  $user->language = $languages->get($session->idioma); 
	  $session->redirect($page->url);
  }


	if($user->isLoggedin()) {
	    // user is already logged in, so they don't need to be here
	    // $session->redirect("/"); 
	}

	// check for login before outputting markup
	if($input->post->user && $input->post->pass) {

	    $user = $sanitizer->username($input->post->user);
	    $pass = $input->post->pass; 

	    $u = $session->login($user, $pass);
	    if($u) {
			$user = $u;
	    	if($user->hasRole('profesor')) {
	    		// $session->redirect("/admin/page/edit/?id=" . $pages->get("/estudios/plataforma-alumnos/manviny/")->id . "&s=1"); 	
	    		$session->redirect("/admin/page/"); 	
	    	}
	        // login successful
	        // $session->redirect("/"); 
	        
	    }
	}
 ?>