# tablepress/3.4/libraries/vendor/PhpSpreadsheet/Calculation/TextData/Helpers.php

TablePress – Tables in WordPress made easy, version 3.4. 103 lines.

- Page: https://pluginprobe.com/plugins/tablepress/3.4/code/libraries/vendor/PhpSpreadsheet/Calculation/TextData/Helpers.php
- Raw: https://pluginprobe.com/plugins/tablepress/3.4/raw/libraries/vendor/PhpSpreadsheet/Calculation/TextData/Helpers.php
- Modified: 2025-04-29T05:06:50+00:00

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```php
<?php

namespace TablePress\PhpOffice\PhpSpreadsheet\Calculation\TextData;

use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Exception as CalcExp;
use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Functions;
use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Information\ErrorValue;
use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
use TablePress\PhpOffice\PhpSpreadsheet\Shared\StringHelper;

class Helpers
{
	public static function convertBooleanValue(bool $value): string
	{
		if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_OPENOFFICE) {
			return $value ? '1' : '0';
		}

		return ($value) ? Calculation::getTRUE() : Calculation::getFALSE();
	}

	/**
	 * @param mixed $value String value from which to extract characters
	 */
	public static function extractString($value, bool $throwIfError = false): string
	{
		if (is_bool($value)) {
			return self::convertBooleanValue($value);
		}
		if ($throwIfError && is_string($value) && ErrorValue::isError($value, true)) {
			throw new CalcExp($value);
		}

		return StringHelper::convertToString($value);
	}

	/**
				 * @param mixed $value
				 */
				public static function extractInt($value, int $minValue, int $gnumericNull = 0, bool $ooBoolOk = false): int
	{
		if ($value === null) {
			// usually 0, but sometimes 1 for Gnumeric
			$value = (Functions::getCompatibilityMode() === Functions::COMPATIBILITY_GNUMERIC) ? $gnumericNull : 0;
		}
		if (is_bool($value) && ($ooBoolOk || Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE)) {
			$value = (int) $value;
		}
		if (!is_numeric($value)) {
			throw new CalcExp(ExcelError::VALUE());
		}
		$value = (int) $value;
		if ($value < $minValue) {
			throw new CalcExp(ExcelError::VALUE());
		}

		return (int) $value;
	}

	/**
				 * @param mixed $value
				 */
				public static function extractFloat($value): float
	{
		if ($value === null) {
			$value = 0.0;
		}
		if (is_bool($value)) {
			$value = (float) $value;
		}
		if (!is_numeric($value)) {
			if (is_string($value) && ErrorValue::isError($value, true)) {
				throw new CalcExp($value);
			}

			throw new CalcExp(ExcelError::VALUE());
		}

		return (float) $value;
	}

	/**
				 * @param mixed $value
				 */
				public static function validateInt($value, bool $throwIfError = false): int
	{
		if ($value === null) {
			$value = 0;
		} elseif (is_bool($value)) {
			$value = (int) $value;
		} elseif ($throwIfError && is_string($value) && !is_numeric($value)) {
			if (!ErrorValue::isError($value, true)) {
				$value = ExcelError::VALUE();
			}

			throw new CalcExp($value);
		}

		return (int) StringHelper::convertToString($value);
	}
}

```