(PHP 8 >= 8.2.0)
Random\Randomizer::getBytes — Get random bytes
public Random\Randomizer::getBytes(int $length): string
Generates a string containing uniformly selected random bytes with the requested length.
As the returned bytes are selected completely randomly, the resulting string is likely to contain unprintable characters or invalid UTF-8 sequences. It may be necessary to encode it before transmission or display.
length The length of the random string that should be returned in bytes; must be 1 or greater.
A string containing the requested number of random bytes.
length is less than 1, a ValueError will be thrown. Random\Randomizer::$engine. Example #1 Random\Randomizer::getBytes() example
<?php $r = new \Random\Randomizer(); echo bin2hex($r->getBytes(8)), "\n"; ?>
The above example will output something similar to:
ebdbe93cd56682c2
© 1997–2025 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/random-randomizer.getbytes.php