Help determine whether the session is logged on!

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Registered Member
Member logon

{Session ('User _ name ')}
This is a static page, which is written by the controller. If ($ result & $ result ['password'] = $ result ['password']) {
// Store the session
Session ('uid', $ result ['User _ id']); // The current user id
Session ('User _ name', $ result ['User _ name']); // The current user name
Session ('lastdate', $ result ['lastdate']); // last logon time
Session ('lastip', $ result ['lastip']); // The last logon ip address
// Update user logon information
$ Where ['User _ id'] = session ('uid ');
M ('user')-> where ($ where)-> setInc ('loginnum'); // The number of logins increases by 1
M ('user')-> where ($ where)-> save ($ data); // update the logon time and ip address
$ This-> success ('login successful, jump to system homepage... ', U ('Home/User/user '));
}
Else {
$ This-> error ('logon failed, incorrect user name or password! ');
}
}

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