No reference needed.

Bradley Weston · Bradley Weston · commit be03918da9dd · 2014-11-28T14:27:41.000Z
diff --git a/src/Omnipay/Common/Helper.php b/src/Omnipay/Common/Helper.php
@@ -46,7 +46,7 @@ public static function validateLuhn($number)
      * @param mixed $target     The object to set parameters on
      * @param array $parameters An array of parameters to set
      */
-    public static function initialize(&$target, $parameters)
+    public static function initialize($target, $parameters)
     {
         if (is_array($parameters)) {
             foreach ($parameters as $key => $value) {

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ public static function validateLuhn($number)`
`46`	`46`	`* @param mixed $target The object to set parameters on`
`47`	`47`	`* @param array $parameters An array of parameters to set`
`48`	`48`	`*/`
`49`		`- public static function initialize(&$target, $parameters)`
	`49`	`+ public static function initialize($target, $parameters)`
`50`	`50`	`{`
`51`	`51`	`if (is_array($parameters)) {`
`52`	`52`	`foreach ($parameters as $key => $value) {`