Automatic login

[SCook]

Does anyone know a good way, or a tut, for an automatic user login?  The only thing I can think of is capturing their ip and checking it upon landing on the site.  The only problem is that with some net connections, the ip will change when the modem is turned on again, or the system is restarted.  Any help would be appreciated.  Thanks.

[bonaparte]

Use cookies.

Read http://in.php.net/manual/en/function.setcookie.php

 

As per the example in the manual:

 

Use the below script to set a cookie in the user's browser. Good to use after the user authenticates his/her credentials for the first time.

<?php

$value = 'something from somewhere';

 

setcookie("TestCookie", $value, time()+60*60*24*30 );  /* expire in 30 days */

 

?>

 

On the landing page use this:

<?php

// Print an individual cookie

//echo $_COOKIE["TestCookie"];

if ($_COOKIE["TestCookie"]=="something from somewhere") {

// Write code for automatic login

} else {

  //User's browser does not have the required cookie. Do not login

}

 

?>