allow adding the output buffer to a short circuited response

config/magl-legacyapp.global.php

@@ -11,5 +11,8 @@
             'get' => true, // should $_GET be filled with variables from route match?
             'request' => true, // should $_GET be filled with variables from route match?
         ),
+        // when short circuiting a response, it could be needed to prepend the output buffer to the response,
+        // enable this to prepend the output buffer
+        'prepend_output_buffer_to_response' => false,
     ),
 );

src/MaglLegacyApplication/Controller/LegacyController.php

@@ -126,6 +126,9 @@ private function runScript($scriptFileName)
 
         $result = $this->getEventManager()->trigger(MaglLegacy::EVENT_SHORT_CIRCUIT_RESPONSE, $this);
         if ($result->stopped()) {
+            if($this->options->getPrependOutputBufferToResponse()) {
+                $result->last()->setContent($output . $result->last()->getContent());
+            }
             return $result->last();
         }
 

src/MaglLegacyApplication/Options/LegacyControllerOptions.php

@@ -19,6 +19,8 @@ class LegacyControllerOptions extends \Zend\Stdlib\AbstractOptions
         'request' => true,
     );
 
+    private $prependOutputBufferToResponse = false;
+
     public function getDocRoot()
     {
         return reset($this->docRoot);
@@ -62,4 +64,22 @@ public function setIndexFiles($indexFiles)
     {
         $this->indexFiles = $indexFiles;
     }
+
+    /**
+     * @return boolean
+     */
+    public function getPrependOutputBufferToResponse()
+    {
+        return $this->prependOutputBufferToResponse;
+    }
+
+    /**
+     * @param boolean $prependOutputBufferToResponse
+     */
+    public function setPrependOutputBufferToResponse($prependOutputBufferToResponse)
+    {
+        $this->prependOutputBufferToResponse = $prependOutputBufferToResponse;
+    }
+
+
 }