Index: branches/5.2.x/core/kernel/globals.php
===================================================================
--- branches/5.2.x/core/kernel/globals.php
+++ branches/5.2.x/core/kernel/globals.php
@@ -56,22 +56,27 @@
 	 * Similar to array_merge_recursive but keyed-valued are always overwritten.
 	 * Priority goes to the 2nd array.
 	 *
-	 * @param $paArray1 array
-	 * @param $paArray2 array
+	 * @param mixed $array1 Array 1.
+	 * @param mixed $array2 Array 2.
+	 *
 	 * @return array
-	 * @access public
 	 */
-	public static function array_merge_recursive($paArray1, $paArray2)
+	public static function array_merge_recursive($array1, $array2)
 	{
-		if (!is_array($paArray1) or !is_array($paArray2)) {
-			return $paArray2;
+		if ( !is_array($array1) || !is_array($array2) ) {
+			return $array2;
 		}
 
-		foreach ($paArray2 AS $sKey2 => $sValue2) {
-			$paArray1[$sKey2] = isset($paArray1[$sKey2]) ? self::array_merge_recursive($paArray1[$sKey2], $sValue2) : $sValue2;
+		foreach ( $array2 as $array2_key => $array2_value ) {
+			if ( isset($array1[$array2_key]) ) {
+				$array1[$array2_key] = self::array_merge_recursive($array1[$array2_key], $array2_value);
+			}
+			else {
+				$array1[$array2_key] = $array2_value;
+			}
 		}
 
-		return $paArray1;
+		return $array1;
 	}
 
 	/**