Zend\Code\Generator\ParameterGenerator::fromReflection PHP Method

    public static function fromReflection(ParameterReflection $reflectionParameter)
    {
        $param = new ParameterGenerator();
        $param->setName($reflectionParameter->getName());
        if ($type = self::extractFQCNTypeFromReflectionType($reflectionParameter)) {
            $param->setType($type);
        }
        $param->setPosition($reflectionParameter->getPosition());
        $variadic = method_exists($reflectionParameter, 'isVariadic') && $reflectionParameter->isVariadic();
        $param->setVariadic($variadic);
        if (!$variadic && ($reflectionParameter->isOptional() || $reflectionParameter->isDefaultValueAvailable())) {
            try {
                $param->setDefaultValue($reflectionParameter->getDefaultValue());
            } catch (\ReflectionException $e) {
                $param->setDefaultValue(null);
            }
        }
        $param->setPassedByReference($reflectionParameter->isPassedByReference());
        return $param;
    }

 /**
  * @param  MethodReflection $reflectionMethod
  * @return MethodGenerator
  */
 public static function fromReflection(MethodReflection $reflectionMethod)
 {
     $method = new static();
     $declaringClass = $reflectionMethod->getDeclaringClass();
     $method->setSourceContent($reflectionMethod->getContents(false));
     $method->setSourceDirty(false);
     $method->setReturnType(self::extractReturnTypeFromMethodReflection($reflectionMethod));
     if ($reflectionMethod->getDocComment() != '') {
         $method->setDocBlock(DocBlockGenerator::fromReflection($reflectionMethod->getDocBlock()));
     }
     $method->setFinal($reflectionMethod->isFinal());
     if ($reflectionMethod->isPrivate()) {
         $method->setVisibility(self::VISIBILITY_PRIVATE);
     } elseif ($reflectionMethod->isProtected()) {
         $method->setVisibility(self::VISIBILITY_PROTECTED);
     } else {
         $method->setVisibility(self::VISIBILITY_PUBLIC);
     }
     $method->setInterface($declaringClass->isInterface());
     $method->setStatic($reflectionMethod->isStatic());
     $method->setReturnsReference($reflectionMethod->returnsReference());
     $method->setName($reflectionMethod->getName());
     foreach ($reflectionMethod->getParameters() as $reflectionParameter) {
         $method->setParameter(ParameterGenerator::fromReflection($reflectionParameter));
     }
     $method->setBody(static::clearBodyIndention($reflectionMethod->getBody()));
     return $method;
 }