Add parameter to CI_Input::user_agent()

1 files changed, 2 insertions, 14 deletions

diff --git a/system/core/Input.php b/system/core/Input.php
index 620e50f63..1408da2cb 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -47,13 +47,6 @@ class CI_Input {
 	public $ip_address = FALSE;
 
 	/**
-	 * User agent string
-	 *
-	 * @var	string
-	 */
-	public $user_agent = FALSE;
-
-	/**
 	 * Allow GET array flag
 	 *
 	 * If set to FALSE, then $_GET will be set to an empty array.
@@ -553,14 +546,9 @@ class CI_Input {
 	 *
 	 * @return	string|null	User Agent string or NULL if it doesn't exist
 	 */
-	public function user_agent()
+	public function user_agent($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);
 	}
 
 	// --------------------------------------------------------------------