password_hash
(PHP 5 >= 5.5.0)
password_hash — Creates a password hash
Description
string password_hash
( string
$password
, integer $algo
[, array $options
] )password_hash() creates a new password hash.
Parameters
-
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.
Return Values
Returns the hashed password, or FALSE on failure.
Examples
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";
?>
The above example will output:
$2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a $2y$07$BCryptRequires22Chrcte/VlQH0piJtjXl.0t1XkA8pw9dMXTpOq
0044 203 3971 555 (UK)