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header() not working on Linux for Codeigniter

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#1 ankur0101

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Posted 24 June 2013 - 01:11 PM

I am suffering form a strange problem. On my Windows 7 XAMPP, header() function works fine but on cPanel based hosting, it is not working.
Here is scenario.
I am redirecting all of error pages to 404.html

In application/error/error_general.php, I modified code as follows :

header('Location: http://www.abc.com/404.html');
<!DOCTYPE html>
<html lang="en">
<style type="text/css">

::selection{ background-color: #E13300; color: white; }
::moz-selection{ background-color: #E13300; color: white; }
::webkit-selection{ background-color: #E13300; color: white; }

body {
 background-color: #fff;
 margin: 40px;
 font: 13px/20px normal Helvetica, Arial, sans-serif;
 color: #4F5155;

a {
 color: #003399;
 background-color: transparent;
 font-weight: normal;

h1 {
 color: #444;
 background-color: transparent;
 border-bottom: 1px solid #D0D0D0;
 font-size: 19px;
 font-weight: normal;
 margin: 0 0 14px 0;
 padding: 14px 15px 10px 15px;

code {
 font-family: Consolas, Monaco, Courier New, Courier, monospace;
 font-size: 12px;
 background-color: #f9f9f9;
 border: 1px solid #D0D0D0;
 color: #002166;
 display: block;
 margin: 14px 0 14px 0;
 padding: 12px 10px 12px 10px;

#container {
 margin: 10px;
 border: 1px solid #D0D0D0;
 -webkit-box-shadow: 0 0 8px #D0D0D0;

p {
 margin: 12px 15px 12px 15px;
 <div id="container">
  <h1><?php echo $heading; ?></h1>
  <?php echo $message; ?>

According to this, it should get redirected to abc.com 404 page but instead, I am getting the error message.

Its not important to solve error, but goal is whenever any kind of error will occur, it will redirect traffic to 404 page.

On Windows 7 with xampp - 
PHP version - 5.3.8
It works perfectly.


On cPanel hosting server - 
PHP version - 5.3.25
It shows error instead of redirecting

I search over internet and this forum as well but didnt find any solution. 
Any help would be appreciable.


#2 boompa

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Posted 24 June 2013 - 09:31 PM

What error is being reported?


Most likely it's a "headers already sent" error you weren't seeing on your Windows system because your XAMPP install had output_buffering() on and your hosted account does not.

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