newbie: question about question marks

From: Date: Mon, 08 Jul 2002 02:18:31 +0000
Subject: newbie: question about question marks
Groups: php.general 
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Can someone explain to me what the ? does. I have a vague idea of what it means in a URL (please cearify that) but I haven't the slightest what it means in php code. Thanks for your help Alex

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