PhpBrew\Command\ListCommand::execute PHP Method

    public function execute()
    {
        $versions = Config::getInstalledPhpVersions();
        $currentVersion = Config::getCurrentPhpName();
        if (empty($versions)) {
            return $this->logger->notice('Please install at least one PHP with your prefered version.');
        }
        if ($currentVersion === false or !in_array($currentVersion, $versions)) {
            $this->logger->writeln('* (system)');
        }
        foreach ($versions as $version) {
            $versionPrefix = Config::getVersionInstallPrefix($version);
            if ($currentVersion == $version) {
                $this->logger->writeln($this->formatter->format(sprintf('* %-15s', $version), 'bold'));
            } else {
                $this->logger->writeln($this->formatter->format(sprintf('  %-15s', $version), 'bold'));
            }
            if ($this->options->dir) {
                $this->logger->writeln(sprintf('    Prefix:   %s', $versionPrefix));
            }
            // TODO: use Build class to get the variants
            if ($this->options->variants && file_exists($versionPrefix . DIRECTORY_SEPARATOR . 'phpbrew.variants')) {
                $info = unserialize(file_get_contents($versionPrefix . DIRECTORY_SEPARATOR . 'phpbrew.variants'));
                echo '    Variants: ';
                echo wordwrap(VariantParser::revealCommandArguments($info), 75, " \\\n              ");
                echo "\n";
            }
        }
    }