SessionHandlerPHP: Check if a key exists in the session before trying to...

SessionHandlerPHP: Check if a key exists in the session before trying to access it (in order to avoid notice-messages in the log).


git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@88 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/SessionHandlerPHP.php

@@ -49,6 +49,16 @@ class SimpleSAML_SessionHandlerPHP extends SimpleSAML_SessionHandler {
 	 * more information.
 	 */
 	public function get($key) {
+		/* Check if key exists first to avoid notice-messages in the
+		 * log.
+		 */
+		if(!array_key_exists($key, $_SESSION)) {
+			/* We should return NULL if we don't have that
+			 * key in the session.
+			 */
+			return NULL;
+		}
+
 		return $_SESSION[$key];
 	}
 }