In-Built PHP Functions for parsing of basic arithmetic and if possible
fraction to decimal and decimal to fraction
$arithmetic_string = "3*5";
echo arith($arithmetic_string); // returns float 15
$arithmetic_string = "1/2";
echo arith($arithmetic_string); // returns float 0.5
$fraction_string = "1/4";
echo fracdec($fraction_string); // returns float 0.25
$dec_string = "0.5";
echo decfrac($dec_string); // returns string "1/4"
I've used php for years, came accross the need for this today and was
suprised such a basic command wasn't there.. currently the only way I
can see to do it would be to eval.. which isn't the most secure method
for such a basic need.
Regards
Nathan
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