crypt_checksalt

crypt_checksalt

Validate a crypt setting string

 **crypt_checksalt** string $salt

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.

saltSalt string to check.

Returns one of the

as an . CRYPT_SALT_*``int

Voorbeeld: A 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);
?>

bool(true)
bool(true)

crypt_gensalt