How to create a custom error view in codeigniter - php

Question

I have a same problem with this How to change an error displayed in codeigniter
I tried the solution from Jordan Arseno, because that was the most logically answer that could be, but the problem is the class that he suggested can't be loaded so it stuck with the default error from Codeigniter.
I want to make a custom error view, so I tried to change file system/core/URI.php directly but it can't use redirect function because :
autoload['helper']="url";can't be loaded in this URI file.
Can anybody know how to solve this?

Answer 1

Change on system/core/Input.php , try this this must work let me know if doesn't work , this works for me
<?php
class MY_Input extends CI_Input {
/**
* Clean Keys
*
* This is a helper function. To prevent malicious users
* from trying to exploit keys we make sure that keys are
* only named with alpha-numeric text and a few other items.
*
* Extended to allow:
* - '.' (dot),
* - '[' (open bracket),
* - ']' (close bracket)
*
* #access private
* #param string
* #return string
*/
function _clean_input_keys($str) {
if (!preg_match("/^[a-z0-9:_\/\.\[\]-]+$/i", $str)) {
/**
* Check for Development enviroment - Non-descriptive
* error so show me the string that caused the problem
*/
if (getenv('ENVIRONMENT') && getenv('ENVIRONMENT') == 'DEVELOPMENT')
var_dump($str);
exit('Disallowed Key Characters.');
}
// Clean UTF-8 if supported
if (UTF8_ENABLED === TRUE) {
$str = $this->uni->clean_string($str);
}
return $str;
}
}
// /?/> /* Should never close php file - if you have a space after can mess your life up */