Password Hashing 函数
PHP Manual

password_hash

(PHP 5 >= 5.5.0)

password_hashCreates a password hash

说明

string password_hash ( string $password , integer $algo [, array $options ] )

password_hash() creates a new password hash.

参数

password

The user's password.

algo

A password algorithm constant denoting the algorithm to use when hashing the password.

options

An associative array containing options. Currently, two options are supported: salt, to provide a salt to use when hashing the password, and cost, which denotes the algorithmic cost that should be used. Examples of these values can be found on the crypt() page.

If omitted, a random salt will be created and the default cost will be used.

返回值

Returns the hashed password, 或者在失败时返回 FALSE.

范例

Example #1 password_hash() example

<?php
echo password_hash("rasmuslerdorf"PASSWORD_DEFAULT)."\n";

$options = [
    
'cost' => 7,
    
'salt' => 'BCryptRequires22Chrcts',
];
echo 
password_hash("rasmuslerdorf"PASSWORD_BCRYPT$options)."\n";
?>

以上例程会输出:

$2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
$2y$07$BCryptRequires22Chrcte/VlQH0piJtjXl.0t1XkA8pw9dMXTpOq

参见


Password Hashing 函数
PHP Manual