how to do a sum on a string in php?

Question

i have a simple question:

i have this var: $v = \"24000,1500,1500,1500,1500,1500,\";

i would like to add those numbers together.

i\'ve

Answer 1

$sum = array_sum( explode( ',', $v ) );

What this does is split $v by the delimiter , with explode() and sum the resulting array of parts with array_sum().