codeigniter - How to access the session variables from the add.php in grocery crud? -

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i modified add.php in grocery crud , add iframe shows image crud. need add conditional statement iframe show specific tables only. set flag in controller this. , problem dont know how access session because

$this->session->userdata('isuploadvisible');

will generate error

severity: notice  message: undefined property: grocery_crud::$session  filename: views/add.php  line number: 2

this add.php 1 can found in

  assets/grocery_crud/themes/datatables/views/add.php

you use $this somewhere refers this grocery_crud class. try this:

$ci =& get_instance(); $ci->session->userdata('isuploadvisible');

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