show all variables

From: Date: Sat, 02 Dec 2000 02:30:08 +0000
Subject: show all variables
Groups: php.general 
Request: Send a blank email to php-general+get-28334@lists.php.net to get a copy of this message
How can I see a list of all variables that exist? (I am trying to find out what has been posted to a script) thanks

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