I suspect it's for sub-domains of sites you administer and not completely different domains altogether.
If this is true, and it's not possible for a site to set a cookie for a completely different domain, then why do browsers have security options to allow or prevent this specific action? I'm thinking it must be possible, and that there's a reason for the domain option in setcookie() other than subdomains. Would just love to know how to make it work...
- Brian
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