7.9.1 Methods
| read($key) | Read from the Session. Returns a string or array depending on the contents of the session. |
|---|---|
| id() | Returns the current session ID. |
| check($key) | Check to see if a key is in the Session. Returns a boolean on the key's existence. |
| flash($key) | This will echo the contents of the $_SESSION.Message. It is used in conjunction with the Session Component's setFlash() method. |
| error() | Returns the last error in the session if one exists. |
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