Sufir / php-calc

src/Calc.php

Doc Comments +1 added lines, -1 removed lines

@@ -174,7 +174,7 @@
      * @param string $operator
      * @param integer|float $firstOperand
      * @param integer|float $secondOperand
-     * @return int
+     * @return string|null
      */
     private static function math($operator, $firstOperand, $secondOperand)
     {