codeigniter login facebook

Display login button / Facebook profile information -- ?php if(!empty($authURL)) { ? h2 CodeIgniter Facebook Login /h2 a href="?php echo $authURL; ?"img src="?php echo base_url ('assets/images/fb-login-btn. grab julo login png'); ?"/a ?php }else{ ? h2 Facebook Profile Details /h2 div class="ac-data" img src="?php echo $userData ['pictu