Hi!
I have been trying to make some sort of calculator in PHP, but I have stumbled
on a problem... I have been make some kind of dynamical calculator, unlike
most I have seen, that had $value1 [math operator] $value2 strict, but a
calculator, that can calculate basically anything ( even something like
(5*(8-3)+2*(4-1))^3 ), and can be put in as string variable...
I have tried things like this:
$var = "1+1+1+1";
echo $var + 0; //returns 1
or
$var = "1+1+1+1";
echo eval("\$var;"); //returns blank
or
$var = "1+1+1+1";
echo (int) $var; //returns 1
things like that...
Now my question is: is it possible to calculate the value of the string
somehow?
Thanks. Stormy.
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