eZ\Publish\Core\Persistence\Doctrine\ConnectionHandler::parseDSN PHP Метод

    public static function parseDSN($dsn)
    {
        $parsed = array('driver' => false, 'user' => false, 'password' => false, 'host' => false, 'port' => false, 'unix_socket' => false, 'dbname' => false, 'memory' => false, 'path' => false);
        // Find driver and dbsyntax
        if (($pos = strpos($dsn, '://')) !== false) {
            $str = substr($dsn, 0, $pos);
            $dsn = substr($dsn, $pos + 3);
        } else {
            $str = $dsn;
            $dsn = null;
        }
        // Get driver and dbsyntax
        // $str => driver(dbsyntax)
        if (preg_match('|^(.+?)\\((.*?)\\)$|', $str, $arr)) {
            $parsed['driver'] = $arr[1];
        } else {
            $parsed['driver'] = $str;
        }
        if (!count($dsn)) {
            return $parsed;
        }
        // Get (if found): username and password
        // $dsn => username:password@protocol+host/database
        if (($at = strrpos((string) $dsn, '@')) !== false) {
            $str = substr($dsn, 0, $at);
            $dsn = substr($dsn, $at + 1);
            if (($pos = strpos($str, ':')) !== false) {
                $parsed['user'] = rawurldecode(substr($str, 0, $pos));
                $parsed['password'] = rawurldecode(substr($str, $pos + 1));
            } else {
                $parsed['user'] = rawurldecode($str);
            }
        }
        // Find protocol and host
        if (preg_match('|^([^(]+)\\((.*?)\\)/?(.*?)$|', $dsn, $match)) {
            // $dsn => proto(proto_opts)/database
            $proto = $match[1];
            $proto_opts = $match[2] ? $match[2] : false;
            $dsn = $match[3];
        } else {
            // $dsn => protocol+host/database (old format)
            if (strpos($dsn, '+') !== false) {
                list($proto, $dsn) = explode('+', $dsn, 2);
            }
            if (strpos($dsn, '/') !== false) {
                list($proto_opts, $dsn) = explode('/', $dsn, 2);
            } else {
                $proto_opts = $dsn;
                $dsn = null;
            }
        }
        // process the different protocol options
        $protocol = !empty($proto) ? $proto : 'tcp';
        $proto_opts = rawurldecode($proto_opts);
        if ($protocol === 'tcp') {
            if (strpos($proto_opts, ':') !== false) {
                list($parsed['host'], $parsed['port']) = explode(':', $proto_opts);
            } else {
                $parsed['host'] = $proto_opts;
            }
        } elseif ($protocol === 'unix') {
            $parsed['unix_socket'] = $proto_opts;
        }
        // Get dabase if any
        // $dsn => database
        if ($dsn) {
            if (($pos = strpos($dsn, '?')) === false) {
                // /database
                $parsed['dbname'] = rawurldecode($dsn);
            } else {
                // /database?param1=value1&param2=value2
                $parsed['dbname'] = rawurldecode(substr($dsn, 0, $pos));
                $dsn = substr($dsn, $pos + 1);
                if (strpos($dsn, '&') !== false) {
                    $opts = explode('&', $dsn);
                } else {
                    $opts = array($dsn);
                }
                foreach ($opts as $opt) {
                    list($key, $value) = explode('=', $opt);
                    if (!isset($parsed[$key])) {
                        // don't allow params overwrite
                        $parsed[$key] = rawurldecode($value);
                    }
                }
            }
        }
        if ($parsed['driver'] === 'sqlite') {
            if (isset($parsed['port']) && $parsed['port'] === 'memory') {
                $parsed['memory'] = true;
                unset($parsed['port']);
                unset($parsed['host']);
            } elseif (isset($parsed['dbname'])) {
                $parsed['path'] = $parsed['dbname'];
                unset($parsed['dbname']);
                unset($parsed['host']);
            }
        }
        $driverMap = array('mysql' => 'pdo_mysql', 'pgsql' => 'pdo_pgsql', 'sqlite' => 'pdo_sqlite');
        if (isset($driverMap[$parsed['driver']])) {
            $parsed['driver'] = $driverMap[$parsed['driver']];
        }
        return array_filter($parsed, function ($element) {
            return $element !== false;
        });
    }

 public function setUp()
 {
     $dsn = getenv('DATABASE');
     if (!$dsn) {
         $dsn = 'sqlite://:memory:';
     }
     $doctrineParams = ConnectionHandler::parseDSN($dsn);
     $this->connection = DriverManager::getConnection($doctrineParams);
     $this->handler = new ConnectionHandler($this->connection);
 }