private function processKeyIsValidFunction($key) { $eZSIBlock = new eZSIBlockFunction(); $ttl = '1s'; $functionParameters = $this->buildFunctionParameters($key, $ttl); return $eZSIBlock->keyIsValid($this->templateResource, $this->textElements, $this->functionChildren, $functionParameters, $this->functionPlacement, $this->rootNamespace, $this->currentNamespace); }