PHP code example of knpuniversity / guard

1. Go to this page and download the library: Download knpuniversity/guard library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

knpuniversity / guard example snippets


use KnpU\Guard\Authenticator\AbstractFormLoginAuthenticator;
use KnpU\Guard\...;
// ...

class FormLoginAuthenticator extends AbstractFormLoginAuthenticator
{
    // ...

    public function checkCredentials($credentials, UserInterface $user)
    {
        // ...
        
        if ($password !== 'correctPassword') {
            throw new AuthenticationException();
        }

        // do nothing, allow authentication to pass
    }

    // ...
}


use Symfony\Component\Security\Guard\AbstractFormLoginAuthenticator;
use Symfony\Component\Security\Guard\...;
// ...

class FormLoginAuthenticator extends AbstractFormLoginAuthenticator
{
    // ...

    public function checkCredentials($credentials, UserInterface $user)
    {
        // ...
        
        if ($password !== 'correctPassword') {
            // returning anything NOT true will cause an authentication failure
            return;
            // or, you can still throw an AuthenticationException if you want to
            // throw new AuthenticationException();
        }

        // return true to make authentication successful
        return true;
    }

    // ...
}