fix

framework/web/VerbFilter.php

@@ -96,7 +96,7 @@ class VerbFilter extends Behavior
 
 		$verb = Yii::$app->getRequest()->getMethod();
 		$allowed = array_map('strtoupper', $verbs);
-		if (!in_array($verb, array_map('strtoupper', $verbs))) {
+		if (!in_array($verb, $allowed)) {
 			$event->isValid = false;
 			// http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.7
 			Yii::$app->getResponse()->getHeaders()->set('Allow', implode(', ', $allowed));