php math functions

[1414mark1414]

let's say I have$tt = t$-200,000;the $t is = to 6,000,000but with this code I cant add , it will show errorso I can only do this$tt = t$-200000;how can I add a , to the number 200000????

[Synook]

Why in the world would you want to???But if you really want to, you will need to remove it before operating:

function rmvcommas($number) {	$number = str_replace(",","",$number);	return $number;}$tt = $t - rmvcommas("200,000");

However, in programming you should really try to forget about commas.