password_algos

(PHP 7 >= 7.4.0, PHP 8)

password_algos — Get available password hashing algorithm IDs

说明

password_algos ( ) : array

Returns a complete list of all registered password hashing algorithm IDs as an array of strings.

参数

此函数没有参数。

返回值

Returns the available password hashing algorithm IDs.

范例

Example #1 Basic password() usage


<?php
print_r(password_algos());
?>

以上例程的输出类似于：

Array
(
    [0] => 2y
    [1] => argon2i
    [2] => argon2id
)

User Contributed Notes

XRevan86 26-Jul-2020 12:12


A polyfill for PHP 7.3 and older:

<?php

if (version_compare(PHP_VERSION, '7.4.0', '<')) {

    function password_algos(): array

    {

        $algos = [PASSWORD_BCRYPT];

        defined('PASSWORD_ARGON2I')  && $algos[] = PASSWORD_ARGON2I;

        defined('PASSWORD_ARGON2ID') && $algos[] = PASSWORD_ARGON2ID;

        return $algos;

    }

}

?>