I need to know what page a user made the request FROM ...
$_SERVER["REQUEST_URI"] tells me what file the request is made to, however I want to know what file / page the user was on when the request was made.
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1you are thinking perhaps of the easily spoofable and frequently empty `referrer` I suspect. You'd be advised not to rely upon it or trust it – Professor Abronsius Sep 09 '19 at 18:07
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@RamRaider Put that in an answer and I will accept. – ma77c Sep 09 '19 at 18:13
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Some Antivirus applications remove that from header. You can not rely on that. – Markus Zeller Sep 09 '19 at 18:15
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@MarkusZeller This was to quickly debug a problem and it worked. – ma77c Sep 09 '19 at 18:17
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Some Antivirus applications remove that referrer from the header, so it may be empty, then. You can not rely on that field.
Markus Zeller
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You can't know where is the request come from, unless it have indicator as if you redirect to any website from Facebook it types in URL "?fbclid=..." as a "get" method so your website knows it comes from Facebook.
John George
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This not the header, it is appended to the URL as query parameter. – Markus Zeller Sep 09 '19 at 18:58
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