/**
* Class constructor
*
* List of available options for `$config` array:
*
* * `group`: Mango config group name
* * `collection`: The name of the collection
* * `gc`: Number of requests before gc is invoked
* * `fields`: Custom field names, array of:
* * `session_id`: Session identifier
* * `last_active`: Timestamp of the last activity
* * `contents`: Serialized session data
* * `hostname`: Host name
* * `user_id`: The used ID
*
* [!!] Note: Sessions can only be created using the [Session::instance] method.
*
* @param array $config Configuration array [Optional]
* @param string $id Session id [Optional]
*/
public function __construct(array $config = NULL, $id = NULL)
{
if (!isset($config['group'])) {
// Use the default group
$config['group'] = Client::$default;
}
// Create Mango instance
$this->_db = Client::instance($config['group']);
if (isset($config['collection'])) {
// Save the collection name for later use
$this->_collection = (string) $config['collection'];
}
if (isset($config['gc'])) {
// Set the gc chance
$this->_gc = (int) $config['gc'];
}
if (isset($config['columns'])) {
// Overload column names
$this->_columns = $config['columns'];
}
// Load the collection
$this->_collection = $this->_db->selectCollection($this->_collection);
parent::__construct($config, $id);
if (mt_rand(0, $this->_gc) === $this->_gc) {
// Run garbage collection
// This will average out to run once every X requests
$this->_gc();
}
}
