bug #2928 Fix: Check for the existence of a called action method (dev…

…-sl)

This PR was merged into the 1.x branch.

Discussion
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Fix: Check for the existence of a called action method

500 error on call undefined method, when set undefined action ('del' for example).
I added checking for method exists.

Commits
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a2f1dd2 Fix: Check for the existence of a called action method

src/Controller/AdminController.php

@@ -779,6 +779,8 @@ protected function renderForbiddenActionError($action)
      * @param array  $arguments         The arguments passed to the executed method
      *
      * @return mixed
+     *
+     * @throws \Exception
      */
     protected function executeDynamicMethod($methodNamePattern, array $arguments = array())
     {
@@ -794,6 +796,10 @@ protected function executeDynamicMethod($methodNamePattern, array $arguments = a
             @trigger_error(sprintf('The %s method is deprecated since EasyAdmin 1.x and will be removed in 2.0. Use %s() instead', $methodName, $newMethodName), E_USER_DEPRECATED);
         }
 
+        if (!method_exists($this, $methodName)) {
+            throw new \BadMethodCallException(sprintf('The %s method not exists in %s class', $methodName, get_class($this)));
+        }
+
         return call_user_func_array(array($this, $methodName), $arguments);
     }