gistfile1.txt

$methodName = $this->getName();

        foreach ($this->getParameters() as $param)
        { /** @var \ReflectionParameter $param Iterate over possible params */

            $currentParam = '';
            if ($param->isPassedByReference())
            {
                $currentParam = '&';
            }

            $currentParam .= '$' . $param->getName();

            if ($param->isOptional())
            {
                if ($param->isDefaultValueAvailable())
                {
                    $currentParam .= ' = ' . $param->getDefaultValue();
                }
                elseif ($param->isDefaultValueConstant())
                {
                    $currentParam .= ' = ' . $param->getDefaultValueConstantName();
                }
            }

            $paramSet[] = $currentParam;
        }

        $this->_signature = join(', ', $paramSet);

        return $this->_signature;