Add parameter to CI_Input::user_agent()
diff --git a/system/core/Input.php b/system/core/Input.php
index 620e50f..1408da2 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -47,13 +47,6 @@
public $ip_address = FALSE;
/**
- * User agent string
- *
- * @var string
- */
- public $user_agent = FALSE;
-
- /**
* Allow GET array flag
*
* If set to FALSE, then $_GET will be set to an empty array.
@@ -553,14 +546,9 @@
*
* @return string|null User Agent string or NULL if it doesn't exist
*/
- public function user_agent()
+ public function user_agent($xss_clean = NULL)
{
- if ($this->user_agent !== FALSE)
- {
- return $this->user_agent;
- }
-
- return $this->user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : NULL;
+ return $this->_fetch_from_array($_SERVER, 'HTTP_USER_AGENT', $xss_clean);
}
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