URL Helper redirect() to utilize HTTP/1.1 response code 303 See Other
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index 40ce807..39e6343 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -526,7 +526,7 @@
* @param int
* @return string
*/
- function redirect($uri = '', $method = 'auto', $http_response_code = 302)
+ function redirect($uri = '', $method = 'auto', $code = NULL)
{
if ( ! preg_match('#^https?://#i', $uri))
{
@@ -538,14 +538,22 @@
{
$method = 'refresh';
}
+ elseif ($method !== 'refresh' && (empty($code) OR ! is_numeric($code)))
+ {
+ // Reference: http://en.wikipedia.org/wiki/Post/Redirect/Get
+ $code = (isset($_SERVER['REQUEST_METHOD'], $_SERVER['SERVER_PROTOCOL'])
+ && $_SERVER['REQUEST_METHOD'] === 'POST'
+ && $_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.1')
+ ? 303 : 302;
+ }
- switch($method)
+ switch ($method)
{
case 'refresh':
header('Refresh:0;url='.$uri);
break;
default:
- header('Location: '.$uri, TRUE, $http_response_code);
+ header('Location: '.$uri, TRUE, $code);
break;
}
exit;