OwlCyberSecurity - MANAGER
Edit File: Helpers.php
<?php namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig; use PhpOffice\PhpSpreadsheet\Calculation\Exception; use PhpOffice\PhpSpreadsheet\Calculation\Functions; use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError; class Helpers { /** * Many functions accept null/false/true argument treated as 0/0/1. * * @return float|string quotient or DIV0 if denominator is too small */ public static function verySmallDenominator(float $numerator, float $denominator) { return (abs($denominator) < 1.0E-12) ? ExcelError::DIV0() : ($numerator / $denominator); } /** * Many functions accept null/false/true argument treated as 0/0/1. * * @param mixed $number * * @return float|int */ public static function validateNumericNullBool($number) { $number = Functions::flattenSingleValue($number); if ($number === null) { return 0; } if (is_bool($number)) { return (int) $number; } if (is_numeric($number)) { return 0 + $number; } throw new Exception(ExcelError::throwError($number)); } /** * Validate numeric, but allow substitute for null. * * @param mixed $number * @param null|float|int $substitute * * @return float|int */ public static function validateNumericNullSubstitution($number, $substitute) { $number = Functions::flattenSingleValue($number); if ($number === null && $substitute !== null) { return $substitute; } if (is_numeric($number)) { return 0 + $number; } throw new Exception(ExcelError::throwError($number)); } /** * Confirm number >= 0. * * @param float|int $number */ public static function validateNotNegative($number, ?string $except = null): void { if ($number >= 0) { return; } throw new Exception($except ?? ExcelError::NAN()); } /** * Confirm number > 0. * * @param float|int $number */ public static function validatePositive($number, ?string $except = null): void { if ($number > 0) { return; } throw new Exception($except ?? ExcelError::NAN()); } /** * Confirm number != 0. * * @param float|int $number */ public static function validateNotZero($number): void { if ($number) { return; } throw new Exception(ExcelError::DIV0()); } public static function returnSign(float $number): int { return $number ? (($number > 0) ? 1 : -1) : 0; } public static function getEven(float $number): float { $significance = 2 * self::returnSign($number); return $significance ? (ceil($number / $significance) * $significance) : 0; } /** * Return NAN or value depending on argument. * * @param float $result Number * * @return float|string */ public static function numberOrNan($result) { return is_nan($result) ? ExcelError::NAN() : $result; } }