# tablepress/3.4/libraries/vendor/PhpSpreadsheet/Calculation/MathTrig/Random.php

TablePress – Tables in WordPress made easy, version 3.4. 98 lines.

- Page: https://pluginprobe.com/plugins/tablepress/3.4/code/libraries/vendor/PhpSpreadsheet/Calculation/MathTrig/Random.php
- Raw: https://pluginprobe.com/plugins/tablepress/3.4/raw/libraries/vendor/PhpSpreadsheet/Calculation/MathTrig/Random.php
- Modified: 2025-08-26T04:06:14+00:00

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```php
<?php

namespace TablePress\PhpOffice\PhpSpreadsheet\Calculation\MathTrig;

use TablePress\PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Exception;
use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;

class Random
{
	use ArrayEnabled;

	/**
	 * RAND.
	 *
	 * @return float|int Random number
	 */
	public static function rand()
	{
		return mt_rand(0, 10000000) / 10000000;
	}

	/**
	 * RANDBETWEEN.
	 *
	 * @param mixed $min Minimal value
	 *                      Or can be an array of values
	 * @param mixed $max Maximal value
	 *                      Or can be an array of values
	 *
	 * @return array<mixed>|int|string Random number
	 *         If an array of numbers is passed as an argument, then the returned result will also be an array
	 *            with the same dimensions
	 */
	public static function randBetween($min, $max)
	{
		if (is_array($min) || is_array($max)) {
			return self::evaluateArrayArguments([self::class, __FUNCTION__], $min, $max);
		}

		try {
			$min = (int) Helpers::validateNumericNullBool($min);
			$max = (int) Helpers::validateNumericNullBool($max);
			Helpers::validateNotNegative($max - $min);
		} catch (Exception $e) {
			return $e->getMessage();
		}

		return mt_rand($min, $max);
	}

	/**
	 * RANDARRAY.
	 *
	 * Generates a list of sequential numbers in an array.
	 *
	 * Excel Function:
	 *      RANDARRAY([rows],[columns],[start],[step])
	 *
	 * @param mixed $rows the number of rows to return, defaults to 1
	 * @param mixed $columns the number of columns to return, defaults to 1
	 * @param mixed $min the minimum number to be returned, defaults to 0
	 * @param mixed $max the maximum number to be returned, defaults to 1
	 * @param bool $wholeNumber the type of numbers to return:
	 *                             False - Decimal numbers to 15 decimal places. (default)
	 *                             True - Whole (integer) numbers
	 *
	 * @return array<mixed>|string The resulting array, or a string containing an error
	 */
	public static function randArray($rows = 1, $columns = 1, $min = 0, $max = 1, bool $wholeNumber = false)
	{
		try {
			$rows = (int) Helpers::validateNumericNullSubstitution($rows, 1);
			Helpers::validatePositive($rows);
			$columns = (int) Helpers::validateNumericNullSubstitution($columns, 1);
			Helpers::validatePositive($columns);
			$min = Helpers::validateNumericNullSubstitution($min, 1);
			$max = Helpers::validateNumericNullSubstitution($max, 1);

			if ($max <= $min) {
				return ExcelError::VALUE();
			}
		} catch (Exception $e) {
			return $e->getMessage();
		}

		return array_chunk(
			array_map(
				fn () => $wholeNumber
						? mt_rand((int) $min, (int) $max)
						: (mt_rand() / mt_getrandmax()) * ($max - $min) + $min,
				array_fill(0, $rows * $columns, $min)
			),
			max($columns, 1)
		);
	}
}

```