How PHP uses cookies to save login username _php Tips

This example describes how PHP uses cookies to save logon user names. Share to everyone for your reference. Specifically as follows:

Submit a Form page

Copy Code code as follows:

<?php
$user = isset ($_cookie[' username '])? $_cookie[' username ']: ';
?>
<form action= "file.php" method= "POST" >
User name: <input type= "text" name= "username" value= "<?php echo $user;?>"/><br
Password: <input type= "password" name= "pwd"/><br/>
Remember username: <input type= "checkbox" Name= "REM" value= "1" ><br/>
<input type= "Submit" Name= "sub" value= "submitted" >
</form>

Form information receive page, setting cookies

Copy Code code as follows:

<?php
$user = $_post[' username '];
if ($_post[' REM ']) {
Setcookie ("username", $user, Time () +3600*3600*24);
}else{
Setcookie ("username", "", Time ()-1);
}
echo "Login succeeded";
?>

I hope this article will help you with your PHP program design.