{
$CI=&get_instance();
$is_logged_in = $CI->session->userdata('is_logged_in');
if(!isset($is_logged_in) || $is_logged_in != true)
{
echo 'You don't have permission to access this page. ';
echo anchor('member/index','Login');
die();
}
} 控制器里面的$CI=&的代码去掉
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