<?php namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig; use PhpOffice\PhpSpreadsheet\Calculation\Exception; class Absolute { /** * ABS. * * Returns the result of builtin function abs after validating args. * * @param mixed $number Should be numeric * * @return float|int|string Rounded number */ public static function evaluate($number) { try { $number = Helpers::validateNumericNullBool($number); } catch (Exception $e) { return $e->getMessage(); } return abs($number); } }