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<?php
declare(strict_types=1);
namespace Stadly\PasswordPolice\HashFunction;
use ErrorException;
use RuntimeException;
use Stadly\PasswordPolice\HashFunction;
final class PasswordHasher implements HashFunction
{
/**
* @var int Algorithm.
*/
private $algorithm;
* @var array Options.
private $options;
* See http://php.net/manual/en/function.password-hash.php for details.
*
* @param int $algorithm Algorithm.
* @param array $options Options.
public function __construct(int $algorithm = PASSWORD_DEFAULT, array $options = [])
$this->algorithm = $algorithm;
$this->options = $options;
}
* {@inheritDoc}
public function hash(string $password): string
set_error_handler([self::class, 'errorHandler']);
try {
$hash = password_hash($password, $this->algorithm, $this->options);
} catch (ErrorException $exception) {
throw new RuntimeException(
'An error occurred while hashing the password: '.$exception->getMessage(),
/*code*/0,
$exception
);
} finally {
restore_error_handler();
assert($hash !== false);
return $hash;
public function compare(string $password, string $hash): bool
return password_verify($password, $hash);
* @throws ErrorException Error converted to an exception.
private static function errorHandler(int $severity, string $message, string $filename, int $line): void
throw new ErrorException($message, /*code*/0, $severity, $filename, $line);
Stadly /
PasswordPolice
