Hi all
First post to this list! I'm trying to figure out how to evaluate a
string with a mathematical expression and get a result, but without
using eval() as I'm accepting user input into the string. I don't just
want addition, subtraction, multiplication and division - I'd like to
take advantage of other functions like ceil, floor etc.
So the string "18-10" should give me 8, "ceil(1/2)*10" should be 10 (if
my maths is correct) and the string "18-10;\r\nunlink('/var/www/*');"
should not execute.
Any ideas?
Thanks!
Jason
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