- bcsub: documentation ( source)
- var_dump: documentation ( source)
- explode: documentation ( source)
<?php
$str = "414258-387896-26262";
$nums = explode("-",$str);
$op1 = $nums[0] - $nums[1] - $nums[2];
var_dump($op1);
var_dump($op1 / 100);
//var_dump(round($op1,2));
$bc = bcsub($nums[0],$nums[1],2);
$bc = bcsub($bc,$nums[2],2);
var_dump($bc);