Random number

gmp_random_bits
gmp_random_seed
GMP Functions
PHP Manual

# gmp_random_range

(PHP 5, PHP 7 >= 5.6.3)

gmp_random_range — Random number

### Description

GMP gmp_random_range ( GMP `$min` , GMP `$max` )

Generate a random number. The number will be between `min` and `max`.

`min` and `max` can both be negative but `min` must always be less than `max`.

### Parameters

`min`

  A GMP number representing the lower bound for the random number

`max`

  A GMP number representing the upper bound for the random number

### Return Values

A random GMP number.

### Examples

Example #1 gmp_random_range() example

`<?php
$rand1 = gmp_random_range(0, 100); // random number between 0 and 100
$rand2 = gmp_random_range(-100, -10); // random number between -100 and -10
echo gmp_strval($rand1) . "\n";
echo gmp_strval($rand2) . "\n";
?>`

The above example will output:

    42
    -67

gmp_random_bits
gmp_random_seed
GMP Functions
PHP Manual