diff --git a/lib/system/system_control/systemcontrol.php b/lib/system/system_control/systemcontrol.php
index a29825e..16a8be7 100755
--- a/lib/system/system_control/systemcontrol.php
+++ b/lib/system/system_control/systemcontrol.php
@@ -665,7 +665,7 @@ var $currentCoordinationObject=null;
 		/* Tentative de connexion */
 // 		if ($GLOBALS["SYSTEM_USER_SESSION"]->isNew==true)
 // 		{
-			$clientIp=isset($_SERVER['HTTP_CLIENT_IP']) ? $_SERVER['HTTP_CLIENT_IP'] : isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
+			$clientIp=isset($_SERVER['HTTP_CLIENT_IP']) ? $_SERVER['HTTP_CLIENT_IP'] : (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']);
 // 			$message="log:".$login.",".date("Y-m-d H:i:s").",uid:".$GLOBALS["SYSTEM_USER_SESSION"]->user->getId().",eid:".$GLOBALS["SYSTEM_USER_SESSION"]->entryNodeId.",nid:".$GLOBALS["SYSTEM_USER_SESSION"]->navigationNodeId.",3";
 			$message="auth-disconnect: ".date("Y-m-d H:i:s")." Disconnection success for user ".$login." from ".$clientIp;
 			addToLog( $message, $CONF_AUTH_FILE );
diff --git a/lib/system/system_template/modelixe.php b/lib/system/system_template/modelixe.php
index 05dcb01..e2ddcc0 100755
--- a/lib/system/system_template/modelixe.php
+++ b/lib/system/system_template/modelixe.php
@@ -109,6 +109,7 @@ ini_set('include_path', $path);
 //require_once('ErrorManager.php');
 
 //Désactivation de magic_quotes_runtime de php.ini
+
 if (get_magic_quotes_runtime()) set_magic_quotes_runtime(0);
 
 class ModeliXe extends ErrorManager{
diff --git a/lib/system/system_utils/chaine.php b/lib/system/system_utils/chaine.php
index 09bb75b..1eae806 100755
--- a/lib/system/system_utils/chaine.php
+++ b/lib/system/system_utils/chaine.php
@@ -228,7 +228,7 @@ var $src  = null;
 	{
 		$c="";
 		for($i=0;$i<$l;$i++) {
-			$c.=$a{$i}^$b{$i};
+			$c.=$a[$i]^$b[$i];
 		}
 		return($c);
 	}