ApiGen\Templating\Filters\Helpers\ElementUrlFactory::createForFunction PHP Method

    public function createForFunction(FunctionReflectionInterface $function)
    {
        return sprintf($this->configuration->getOption(CO::TEMPLATE)['templates']['function']['filename'], Filters::urlize($function->getName()));
    }

 /**
  * @return string
  */
 public function functionUrl(FunctionReflectionInterface $function)
 {
     return $this->elementUrlFactory->createForFunction($function);
 }