$Key.md

$Key - is system object, that provides functionality of keys generation. Keys are used for security purposes, have expiration date, and may be accompanied with some additional information. Also, keys may be stored in different databases (for different purposes), instance can be obtained in such way:

<?php
$Key = \cs\Key::instance();

Methods

###[Up](#) Methods

$Key object has next public methods:

• add()
• get()
• del()
• generate()

add($database : int|\cs\DB_Abstract, $key : bool|string, $data = null : null|mixed, $expire = 0 : int) : false|string

Adding key into specified database

get($database : int|\cs\DB_Abstract, $key : string, $get_data = false : bool) : false|mixed

Check key existence and/or getting of data stored with key. After this key will be deleted automatically.

del($database : int|\cs\DB_Abstract, $key : string) : bool

Key deletion from database

generate($database : int|\cs\DB_Abstract) : string

Generates guaranteed unique key. Usually is not used, because key may become non-unique before actual usage, and it may be generated during key addition operation.