I've always known that you can specify a domain when you set a cookie, and for kicks I experimented with a test page setting a cookie for the yahoo.com. Seems to me that browsers wouldn't allow this as it could create any number of security problems. I tried the following code, and the yahoo cookie did not get set, as I expected, and the briandunning.com cookie did (that's my site). I made sure that my browser's settings were set to allow all cookies, including those from other sites.

<?php
setcookie('test', 'anything', time()+31536000, '/', '.yahoo.com');
setcookie('test', 'anything', time()+31536000, '/', '.briandunning.com');
?>


Question: why didn't this work, is it supposed to work the way I was trying, and if not, then what is that domain variable there for???

- Brian

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