1<?php
2 $input = "1,2,3,4,5,6,7,8,9,10";
3
4 $sum = 0;
5
6 $input_arr = explode(",", $input);
7
8 print_r(array_sum($input_arr)); #with array function
9
10 // without array function
11
12 $sum = 0;
13 foreach($input_arr as $v){
14 //print "</br>".$v;
15 $sum = $sum + $v;
16 }
17 print "</br>".$sum;
18?>