GoLang gmp_random

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PHP gmp_random

PHP original manual for gmp_random [ show | php.net ]

gmp_random

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_random — Random number

Warning

This function has been DEPRECATED as of PHP 7.2.0. Relying on this function is highly discouraged.

Description

GMP gmp_random ([ int $limiter = 20 ] )

Generate a random number. The number will be between zero and the number of bits per limb multiplied by limiter. If limiter is negative, negative numbers are generated.

A limb is an internal GMP mechanism. The number of bits in a limb is not static, and can vary from system to system. Generally, the number of bits in a limb is either 16 or 32, but this is not guaranteed.

Parameters

limiter

The limiter.

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

Return Values

A random GMP number.

Examples

Example #1 gmp_random() example

<?php
$rand1 = gmp_random(1); // random number from 0 to 1 * bits per limb
$rand2 = gmp_random(2); // random number from 0 to 2 * bits per limb

echo gmp_strval($rand1) . "\n";
echo gmp_strval($rand2) . "\n";
?>

The above example will output:

1915834968
8642564075890328087