str_shuffle
PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8
str_shuffle - Randomly shuffles a string
str_shuffle(
string$string ): string
str_shuffle shuffles a string. One permutation of all possible is created.
Caution:
This function does not generate cryptographically secure values, and should not be used for cryptographic purposes. If you need a cryptographically secure value, consider using random_int, random_bytes, or openssl_random_pseudo_bytes instead.
Parameters
- string
-
The input string.
Return Values
Returns the shuffled string.
Changelog
| Version | Description |
| 7.1.0 | The internal randomization algorithm has been changed to use the Mersenne Twister Random Number Generator instead of the libc rand function. |