hiqdev / php-billing

src/charge/modifiers/addons/Discount.php

Doc Comments +3 added lines

@@ -121,6 +121,9 @@
         }
     }
 
+    /**
+     * @param string $operation
+     */
     public function ensureSameType(self $other, $operation)
     {
         if ($this->isRelative() && !$other->isRelative()) {