How to check if vaiable is defined or not?

From: Date: Mon, 12 Feb 2001 23:21:45 +0000
Subject: How to check if vaiable is defined or not?
References: 1  Groups: php.general 
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Hi, I'm sending a form, with check-boxes, via post to PHP-script and if the boxes are not checked they don't post value for its variable - Can I check with a function if the variable is defined? (or should I focus on another solution?) Regards, Sumarlidi Einar Dadason SED - Graphic Design ------------------------------------------ Phone: (+354) 4615501 Mobile: (+354) 8960376 Fax: (+354) 4615503 E-mail: sed@sed.is Homepage: www.sed.is <- New Homepage! ------------------------------------------

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