CI_Session::unset_userdata()

unset_userdata($key)

Parameters:	$key (mixed) – Key for the session data item to unset, or an array of multiple keys
Return type:	void

Unsets the specified key(s) from the $_SESSION superglobal.

Note

This is a legacy method kept only for backwards compatibility with older applications. It is just an alias for unset($_SESSION[$key]) - please use that instead.

Links:

http://www.codeigniter.com/user_guide/libraries/sessions.html#CI_Session::unset_userdata

doc_CodeIgniter

2016-10-15 16:31:54

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