Symfony\Installer\DownloadCommand::checkSymfonyRequirements PHP Méthode

    protected function checkSymfonyRequirements()
    {
        if (null === ($requirementsFile = $this->getSymfonyRequirementsFilePath())) {
            return $this;
        }
        try {
            require $requirementsFile;
            $symfonyRequirements = new \SymfonyRequirements();
            $this->requirementsErrors = array();
            foreach ($symfonyRequirements->getRequirements() as $req) {
                if ($helpText = $this->getErrorMessage($req)) {
                    $this->requirementsErrors[] = $helpText;
                }
            }
        } catch (MethodArgumentValueNotImplementedException $e) {
            // workaround https://github.com/symfony/symfony-installer/issues/163
        }
        return $this;
    }