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<?php $str = "414158-387896-26262"; $nums = explode("-",$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);

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