PhpBrew\Extension\Provider\RepositoryDslParser::parse PHP Метод

    public function parse($dsl)
    {
        $ast = array('repository' => 'pecl', 'owner' => null, 'package' => $dsl);
        $url = $this->toUrl($dsl);
        // parse provider, owner and repository
        if (preg_match("#https?://(?:www\\.)?([0-9a-zA-Z-_]*).+/([0-9a-zA-Z-._]*)/([0-9a-zA-Z-._]*)#", $url, $matches)) {
            $ast['repository'] = $matches[1];
            $ast['owner'] = $matches[2];
            $ast['package'] = $matches[3];
        }
        return $ast;
    }

 public function exists($dsl, $packageName = NULL)
 {
     $dslparser = new RepositoryDslParser();
     $info = $dslparser->parse($dsl);
     $this->setOwner($info['owner']);
     $this->setRepository($info['package']);
     $this->setPackageName($packageName ?: $info['package']);
     return $info['repository'] == 'github';
 }