Ifsnop\Mysqldump\CompressManagerFactory::create PHP Method

    public static function create($c)
    {
        $c = ucfirst(strtolower($c));
        if (!CompressMethod::isValid($c)) {
            throw new Exception("Compression method ({$c}) is not defined yet");
        }
        $method = __NAMESPACE__ . "\\" . "Compress" . $c;
        return new $method();
    }

 /**
  * Constructor of Mysqldump. Note that in the case of an SQLite database
  * connection, the filename must be in the $db parameter.
  *
  * @param string $db         Database name
  * @param string $user       SQL account username
  * @param string $pass       SQL account password
  * @param string $host       SQL server to connect to
  * @param string $type       SQL database type
  * @param array  $dumpSettings SQL database settings
  * @param array  $pdoSettings  PDO configured attributes
  */
 public function __construct($db = '', $user = '', $pass = '', $host = 'localhost', $type = 'mysql', $dumpSettings = array(), $pdoSettings = array())
 {
     $dumpSettingsDefault = array('include-tables' => array(), 'exclude-tables' => array(), 'compress' => Mysqldump::NONE, 'no-data' => false, 'add-drop-table' => false, 'single-transaction' => true, 'lock-tables' => true, 'add-locks' => true, 'extended-insert' => true, 'disable-keys' => true, 'where' => '', 'no-create-info' => false, 'skip-triggers' => false, 'add-drop-trigger' => true, 'hex-blob' => true, 'databases' => false, 'add-drop-database' => false, 'skip-tz-utz' => false, 'no-autocommit' => true, 'default-character-set' => Mysqldump::UTF8, 'skip-comments' => false, 'skip-dump-date' => false, 'disable-foreign-keys-check' => true);
     $pdoSettingsDefault = array(PDO::ATTR_PERSISTENT => true, PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::MYSQL_ATTR_USE_BUFFERED_QUERY => false);
     $this->db = $db;
     $this->user = $user;
     $this->pass = $pass;
     $colonPos = strpos($host, ':');
     if (false !== $colonPos) {
         $this->port = substr($host, $colonPos + 1);
         $this->host = substr($host, 0, $colonPos);
     } else {
         $this->port = null;
         $this->host = $host;
     }
     $this->dbType = strtolower($type);
     $this->pdoSettings = self::array_replace_recursive($pdoSettingsDefault, $pdoSettings);
     $this->dumpSettings = self::array_replace_recursive($dumpSettingsDefault, $dumpSettings);
     if (!isset($this->pdoSettings[PDO::MYSQL_ATTR_INIT_COMMAND])) {
         $this->pdoSettings[PDO::MYSQL_ATTR_INIT_COMMAND] = "SET NAMES " . $this->dumpSettings['default-character-set'];
     }
     $diff = array_diff(array_keys($this->dumpSettings), array_keys($dumpSettingsDefault));
     if (count($diff) > 0) {
         throw new Exception("Unexpected value in dumpSettings: (" . implode(",", $diff) . ")");
     }
     // Create a new compressManager to manage compressed output
     $this->compressManager = CompressManagerFactory::create($this->dumpSettings['compress']);
 }