NYCPHP Meetup

[csnyder]

On Wed, Jul 9, 2008 at 9:45 AM, Patrick May <patrick at hexane.org> wrote:

> HTTP_REFERER is pretty common, I think you can count on it 9 times out of
> 10.
>
> ~ p


Or even 999 times out of 1000. Opera lets you turn it off, I believe, but
all other modern (since 2001?) browsers send it.

You still need to account for the case where someone has no HTTP_REFERER
upon first hitting your site--maybe they typed the address into the browser
bar, it happens! ;-)
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