Library for the calculation of simple math expressions without using eval().

The preferred way to install this extension is through composer.

Either run

$ composer require zhuravljov/calc

or add

"zhuravljov/calc": "*"

to the require section of your composer.json file.

$calculator = new \zhuravljov\calc\Calculator();
$calculator->calc('2 + 2 * 2'); // 6
$calculator->calc('(2 + 2) * 2'); // 8
$calculator->calc('(2 + 2'); // CalcException

Available operations +, -, * and /.