PHP login remember password implementation train of thought _ PHP Tutorial

PHP login remember password implementation ideas. Copy the code on the form page: formactionlogin. phpmethodpost username inputtypetextnameusernamebr password inputtypetextnamepasswordbr remember password input form page

The code is as follows:

User information
Session_start ();
Function p ($ arr ){
Echo"

"; 
print_r($arr); 
echo "

";
}
P ($ _ SESSION );
P ($ _ COOKIE );
?>

Logon page

The code is as follows:

Function p ($ arr ){
Echo"

"; 
print_r($arr); 
echo "

";
}
Session_start ();
// P ($ _ POST );
$ _ SESSION ['username'] =_ _ POST ['username'];
$ _ SESSION ['password'] =$ _ POST ['password'];
If ($ _ POST ['jizhu']) {
Setcookie ('username', $ _ POST ['username'], time () + 60 );
Setcookie ('password', $ _ POST ['password'], time () + 60 );
}
Header ("location: form. php ");

User information page

The code is as follows:

Session_start ();
Echo "first close the browser, try to access form. php, and then click ";
P ($ _ SESSION );
P ($ _ COOKIE );
If (empty ($ _ SESSION ['username']) {
If (empty ($ _ COOKIE ['username']) {
Echo "log on first"; exit;
} Else {
$ _ SESSION ['username'] = $ _ COOKIE ['username'];
}
}
Function p ($ arr ){
Echo"

"; 
print_r($arr); 
echo "

";
}
?>
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Modify information
Launch

Launch page

The code is as follows:

Session_start ();
Unset ($ _ SESSION ['username']);
Unset ($ _ SESSION ['password']);
Setcookie ('username', '', 0 );
Setcookie ('password', '', 0 );
Header ("location: form. php ");
?>

Modify user information page

The code is as follows:

Session_start ();
If (empty ($ _ SESSION ['username']) {
Echo "log on first ";
} Else {
Echo "Here is information ";
}
?>

The authorization code is as follows: form action = "login. php "method =" post "user name input type =" text "name =" username "br password input type =" text "name =" password "br remember password input...