protected function hasContextVariable($variableName) { $view = $this->viewHelperVariableContainer->getView(); if (!$view instanceof TypoScriptAwareViewInterface) { return false; } $typoScriptObject = $view->getTypoScriptObject(); $currentContext = $typoScriptObject->getTsRuntime()->getCurrentContext(); return array_key_exists($variableName, $currentContext); }