I have a php question.

I would like to enter a "while" loop, but:
I want it to be like this:

when $a has a value, while $a...
when $b has a value, while $b... (same statements as with $a)
when $a has a value, and $b has a value, while $a and $b

this is based on a search system in which the user can enter a, b or a and

Can you help me with my problem, or help me find someone who can?!


Dore van Hoorn.

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