PHP password_algos 用法手册 | 示例代码

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

示例 #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
)

用户贡献的笔记

XRevan86

 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;
    }
}
?>