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PATH: home / lab2454c / aficb.com / vendor / phpoffice / phpspreadsheet / src / PhpSpreadsheet / Calculation / MathTrig

<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;

use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;

class Random
{
    use ArrayEnabled;

/**
     * RAND.
     *
     * @return float 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 $max Maximal value
     *                      Or can be an array of values
     *
     * @return array|float|int|string Random number
     *         If an array of numbers is passed as an argument, then the returned result will also be an array
     *            with the same dimensions
     */
    public static function randBetween($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 $wholeNumber the type of numbers to return:
     *                             False - Decimal numbers to 15 decimal places. (default)
     *                             True - Whole (integer) numbers
     *
     * @return array|string The resulting array, or a string containing an error
     */
    public static function randArray($rows = 1, $columns = 1, $min = 0, $max = 1, $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 Functions::VALUE();
            }
        } catch (Exception $e) {
            return $e->getMessage();
        }

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

[-] Roman.php [edit]
[-] MatrixFunctions.php [edit]
[-] Absolute.php [edit]
[-] Floor.php [edit]
[-] Angle.php [edit]
[+] ..
[-] Combinations.php [edit]
[-] Gcd.php [edit]
[-] Round.php [edit]
[-] IntClass.php [edit]
[-] SeriesSum.php [edit]
[-] Sign.php [edit]
[-] Factorial.php [edit]
[-] Subtotal.php [edit]
[-] Arabic.php [edit]
[-] Sum.php [edit]
[-] Exp.php [edit]
[-] Logarithms.php [edit]
[-] Lcm.php [edit]
[-] Operations.php [edit]
[-] Helpers.php [edit]
[-] Base.php [edit]
[-] Sqrt.php [edit]
[-] Trunc.php [edit]
[+] Trig
[-] Ceiling.php [edit]
[-] Random.php [edit]
[-] SumSquares.php [edit]