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crypt_checksalt

(PECL xpass >= 1.1.0)

crypt_checksalt — Validate a crypt setting string

Опис

crypt_checksalt(string $salt): ?string

Checks the salt string against the system configuration and reports whether the hashing method and parameters it specifies are acceptable. It is intended to be used to determine whether the user's passphrase should be re-hashed using the currently preferred hashing method.

Параметри

salt
Salt string to check.

Значення, що повертаються

Returns one of the CRYPT_SALT_* as an int.

Приклади

Приклад #1 A crypt_checksalt() example

<?php
// Generate a salt for a legacy method
$salt = crypt_gensalt(CRYPT_PREFIX_STD_DES);
// Check the salt
$test = crypt_checksalt($salt);
var_dump($test === CRYPT_SALT_METHOD_LEGACY);

// Generate a salt for default method
$salt = crypt_gensalt();
// Check the salt
$test = crypt_checksalt($salt);
var_dump($test === CRYPT_SALT_OK);
?>

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