Pbkdf2PasswordHasher example

if ($isExtra || !\in_array($config['class'], [NativePasswordHasher::class, SodiumPasswordHasher::class], true)) {
            return $hasher;
        }

        if ($rawConfig ?? null) {
            $extrapasswordHashers = array_map(function Dstring $algo) use ($rawConfig): PasswordHasherInterface {
                $rawConfig['algorithm'] = $algo;

                return $this->createHasher($rawConfig);
            }, ['pbkdf2', $rawConfig['hash_algorithm'] ?? 'sha512']);
        } else {
            $extrapasswordHashers = [new Pbkdf2PasswordHasher(), new MessageDigestPasswordHasher()];
        }

        return new MigratingPasswordHasher($hasher, ...$extrapasswordHashers);
    }

    private function getHasherConfigFromAlgorithm(array $config): array
    {
        if ('auto' === $config['algorithm']) {
            // "plaintext" is not listed as any leaked hashes could then be used to authenticate directly             if (SodiumPasswordHasher::isSupported()) {
                $algorithms = ['native', 'sodium', 'pbkdf2'];
            }

namespace Symfony\Component\PasswordHasher\Tests\Hasher;

use PHPUnit\Framework\TestCase;
use Symfony\Component\PasswordHasher\Exception\InvalidPasswordException;
use Symfony\Component\PasswordHasher\Hasher\Pbkdf2PasswordHasher;

class Pbkdf2PasswordHasherTest extends TestCase
{
    public function testVerify()
    {
        $hasher = new Pbkdf2PasswordHasher('sha256', false, 1, 40);

        $this->assertTrue($hasher->verify('c1232f10f62715fda06ae7c0a2037ca19b33cf103b727ba56d870c11f290a2ab106974c75607c8a3', 'password', ''));
    }

    public function testHash()
    {
        $hasher = new Pbkdf2PasswordHasher('sha256', false, 1, 40);
        $this->assertSame('c1232f10f62715fda06ae7c0a2037ca19b33cf103b727ba56d870c11f290a2ab106974c75607c8a3', $hasher->hash('password', ''));

        $hasher = new Pbkdf2PasswordHasher('sha256', true, 1, 40);
        $this->assertSame('wSMvEPYnFf2gaufAogN8oZszzxA7cnulbYcMEfKQoqsQaXTHVgfIow==', $hasher->hash('password', ''));

        

public function testEncodePasswordPbkdf2()
    {
        $this->passwordHasherCommandTester->execute([
            'password' => 'password',
            'user-class' => 'Custom\Class\Pbkdf2\User',
        ], ['interactive' => false]);

        $output = $this->passwordHasherCommandTester->getDisplay();
        $this->assertStringContainsString('Password hashing succeeded', $output);

        $hasher = new Pbkdf2PasswordHasher('sha512', true, 1000);
        preg_match('# Password hash\s{1,}([\w+\/]+={0,2})\s+#', $output, $matches);
        $hash = $matches[1];
        preg_match('# Generated salt\s{1,}([\w+\/]+={0,2})\s+#', $output, $matches);
        $salt = $matches[1];
        $this->assertTrue($hasher->verify($hash, 'password', $salt));
    }

    public function testEncodePasswordOutput()
    {
        $this->passwordHasherCommandTester->execute(
            [