I want to pass a key/value from a hidden form tag. I need to be able to check if this parameter was passed or not. How can I check to see if this parameter is passed without causing an error? For example, say I have the following code:

<input type="hidden" name="verify" value="yes">

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Now lets say there is a script called process.cgi which has multiple functions. One of those functions is to check to see if the parameter "verify" has been sent. It may not necessarily be sent because other forms use the script as well and won't have that hidden tag.

Thanks.

In reply to Checking for the existence of a passed parameter. by chriso

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