如何在codeigniter 3中使用csrf

Question

I am using codeigniter 3 i want to use csrf in my project when i true csrf_protection it show an error like (the action you have requested is not allowed.) when i do false of csrf_protection the value is empty when i make it ture then the this error shows(the action you have requested is not allowed.) how can i use csrf thanks in advance. config.php

$config['csrf_protection'] = TRUE;
$config['csrf_token_name'] = 'csrf_test_name';
$config['csrf_cookie_name'] = 'csrf_cookie_name';
$config['csrf_expire'] = 7200;
$config['csrf_regenerate'] = TRUE;
$config['csrf_exclude_uris'] = array();

in my view i am using this

<input type="hidden" name="<?php echo $this->security->get_csrf_token_name();?>" value="<?php echo $this->security->get_csrf_hash();?>">

Answer 1

set $config['csrf_protection'] = TRUE; in application/config.php