troubleshooting Question

PHP if statement...

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code_redFlag for Afghanistan asked on
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I have a form that can potentially have a field value of "None".  When that happens, I want the value to go to null.  I was thinking an "if" statement, but all I can find is syntax for if/else, or if/echo (or print).  I really just need if/'change the value to nothing'.

I hope you can help!

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