Symfony\Installer\DownloadCommand::getSymfonyRequirementsFilePath PHP 메소드

    private function getSymfonyRequirementsFilePath()
    {
        $paths = array($this->projectDir . '/app/SymfonyRequirements.php', $this->projectDir . '/var/SymfonyRequirements.php');
        foreach ($paths as $path) {
            if (file_exists($path)) {
                return $path;
            }
        }
        return null;
    }