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| Acmlm's Board - I3 Archive - Programming - PHP String Question |
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Juggling Joker Ninji SMW Mod Merry Christmas!                  Since: 11-18-05 Last post: 5935 days Last view: 5907 days |
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| Is there a standard PHP function that will evaluate a string as a math function. What I mean, in case I wasn't clear, is this. Say you have "2+3" stored in a string. Is there a function you can run that string through that will return 5?
As always, thanks for the help. Note: While I am willing (and able) to write the necessary functions myself if necessary, I'd much prefer not to if I can avoid it. Edit: No rush now, I did manage to write my own basic math simplifier. It follows the same basic steps a human would (PEMDAS, left to right ordering). I love regular exp (edited by Juggling Joker on 12-02-05 04:15 PM) (edited by Juggling Joker on 12-02-05 06:30 PM) |
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OmnipotentEntity Newcomer  Since: 12-03-05 Last post: 6100 days Last view: 6100 days |
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| php does have the eval() function, which will do that, but you need to make extra sure to taint check before you run it. |
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