(PHP 7)
random_int — Generates cryptographically secure pseudo-random integers
random_int ( int $min , int $max ) : int
Generates cryptographic random integers that are suitable for use where unbiased results are critical, such as when shuffling a deck of cards for a poker game.
The sources of randomness used for this function are as follows:
Note: Although this function was added to PHP in PHP 7.0, a » userland implementation is available for PHP 5.2 to 5.6, inclusive.
min
The lowest value to be returned, which must be PHP_INT_MIN
or higher.
max
The highest value to be returned, which must be less than or equal to PHP_INT_MAX
.
Returns a cryptographically secure random integer in the range min
to max
, inclusive.
Example #1 random_int() example
<?php var_dump(random_int(100, 999)); var_dump(random_int(-1000, 0)); ?>
The above example will output something similar to:
int(248) int(-898)
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.random-int.php