Merge pull request #27 from winzou/hotfix

Skip expression parsing on non-string arguments
winzou · Nov 3, 2016 · 4ef48e7 · 4ef48e7
2 parents fdba189 + e2a8102
commit 4ef48e7
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/SM/Callback/Callback.php b/src/SM/Callback/Callback.php
@@ -58,6 +58,10 @@ public function call(TransitionEvent $event)
             $expr = new ExpressionLanguage();
             $args = array_map(
                 function($arg) use($expr, $event) {
+                    if (!is_string($arg)) {
+                        return $arg;
+                    }
+
                     return $expr->evaluate($arg, array(
                         'object' => $event->getStateMachine()->getObject(),
                         'event'  => $event