Get referer with PHP

From: Date: Tue, 12 Jun 2007 13:00:47 +0000
Subject: Get referer with PHP
Groups: php.windows 
Request: Send a blank email to php-windows+get-28066@lists.php.net to get a copy of this message
Hi This is possibly way too simple, but let me ask just the same : I want to add some code (may be PHP) on an HTML page, to check the referrer. It has to be web-server independent. If the page is invoked by URL X, ok, if not, the page should not be shown. Can this be done ? Thanks Luis

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