Is it possible?
I am writing a recommend script, and I already know that the $HTTP_REFERER
can come empty or even not set, tested turning off the 'Enable Referer
Logging' on Opera.
But, an invalid $HTTP_REFERER is also one smaller than 10 characters?
I believe the smallest referer you can have is 'http://a.jp', for example,
but I am not sure.
Anyone saw a smaller $HTTP_REFERER or have any other ideas to check if it
One and One and One is Three
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