BetterReflection\Reflection\ReflectionParameter::getDeclaringFunction PHP Method

    public function getDeclaringFunction()
    {
        return $this->function;
    }

 /**
  * {@inheritDoc}
  */
 public function getDeclaringFunction()
 {
     $function = $this->betterReflectionParameter->getDeclaringFunction();
     if ($function instanceof BetterReflectionMethod) {
         return new ReflectionMethod($function);
     }
     return new ReflectionFunction($function);
 }