PHP password_get_info() function

Author：Eve Cole Update Time：2024-12-28 11:00:02

The password_get_info() function is used to return information related to the specified hash (hash).

PHP version requirements: PHP 5 >= 5.5.0, PHP 7

grammar

 array password_get_info (string $hash)

Parameter description:

$hash: A hash value created by password_hash().

return value

Returns an associative array of three elements:

algo: Constant for matching cryptographic algorithms.

algoName: Human-readable name of the algorithm.

options: Options provided when calling password_hash().

Example

<?php // password $password_plaintext = " 12345 " ; // Use password_hash() to create a hash value $password_hash = password_hash ( $password_plaintext , PASSWORD_DEFAULT , [ ' cost ' => 11 ] ) ; // View information print_r ( password_get_info ( $password_hash ) ) ;

The output is:

 Array( [algo] => 1 [algoName] => bcrypt [options] => Array ( [cost] => 11 ))