close
===================
設定session數據
===================
$this - > session - > set_userdata('變數','值');
===================
讀取session數據
===================
$_SESSION['item']
或
$this - > session - > item
並且為了向後兼容,通過userdata()方法:
$this-> session-> userdata('item');
===================
刪除session數據
===================
與任何其他變量一樣,在$ _SESSION中取消設置值可以通過unset()完成:
unset($_SESSION [ 'some_name' ]);
//或多個值
unset (
$_SESSION [ 'some_name' ],
$_SESSION [ 'another_name']
);
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