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question


Ninjakreborn

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Is there a way for me to test something. like if I have an input, I need to make sure it's a number, I can do this with
is_number($variable);
it will tell me if it's a number, that's easy, but then I have to check to see if it's got the $ symbol in front of it, if it doesn't then I need to put one there, if it does then I need to leave it alone, how can I do this???
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