What brings us Symfony2 2.2

/**
 * @Route("/hi/{name}", name="hi")
 */
public function hiAction($name = "Bob")
{
        return new Response($name);
}

about:
    pattern: /about
    defaults:
        _controller: FrameworkBundle:Template:template
        maxAge: 86400
        sharedMaxAge: 86400
        private: false

Acme\SubscriptionBundle\Entity\Transaction:
    properties:
        cardNumber:
            - CardScheme:
                schemes: [VISA] # 10 schemes see symfony.com/doc/master/reference/constraints/CardScheme.html#schemes
                message: You credit card number is invalid.
        cardNumber:
            - Luhn:
                message: Please check your credit card number.

use Symfony\Component\Security\Core\Util\StringUtils;
 
// is password1 equals to password2?
$bool = StringUtils::equals($password1, $password2);

use Symfony\Component\Security\Core\Util\SecureRandom;
 
$generator = new SecureRandom();
$random = $generator->nextBytes(10);

// Check that the profiler is enabled
if ($profile = $client->getProfile()) {
    $this->assertLessThan
(10, $profile->getCollector('db')->getQueryCount());
}

$client->enableProfiler();

use Symfony\Component\Process\ProcessBuilder;
 
if (!$process->isRunning()) {
    if (!$process->isSuccessful()) {
        $cloned = $process->restart();
 
        // ...
    }
}

$process->isSuccessful();
$process->hasBeenSignaled();
$process->hasBeenStopped();
$process->isRunning();
 
// new in 2.2
$process->isStarted();
$process->isTerminated();
 
if (!$process->isRunning()) {
    if ($process->isStarted() && !$process->isSuccessful()) {
        $cloned = $process->restart();
 
        // ...
    }
}

app/console doctrine:generate:entity

app/console container:debug security.firewall

app/console container:debug --tag=form.type

app/console do:sc:dr --help

app/console do:sc --help

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
 
$app = new Application();
$app->register('ask-color')->setCode(function (InputInterface $input, OutputInterface $output) use ($app) {
    $dialog = $app->getHelperSet()->get('dialog');
    $colors = array('red', 'blue', 'yellow');
 
    // simply ask for a color (no validation)
    $color = $dialog->ask($output, 'Enter your favorite color (default to red): ', 'red');
    $output->writeln('You have just entered: '.$color);
 
    // ask and validate the answer
    $color = $dialog->askAndValidate($output, 'Enter your favorite color (default to red): ', function ($color) use ($colors) {
        if (!in_array($color, array_values($colors))) {
            throw new \InvalidArgumentException(sprintf('Color "%s" is invalid.', $color));
        }
 
        return $color;
    }, false, 'red');
    $output->writeln('You have just entered: '.$color);
 
    // force the user to select from a pre-defined list of choices
    $color = $dialog->select($output, 'Please select your favorite color (default to red)', $colors, 0);
    $output->writeln('You have just selected: '.$colors[$color]);
});
 
$app->run();

$progress = $app->getHelperSet()->get('progress');
 
$progress->start($output, 50);
$i = 0;
while ($i++ < 50) {
    // do some work
    // advance the progress bar 1 unit
    $progress->advance();
}
$progress->finish();

$dialog = $this->getHelperSet()->get('dialog');
$password = $dialog->askHiddenResponse($output, 'What is the database password?');

use Symfony\Component\Stopwatch\Stopwatch;
 
$stopwatch = new Stopwatch();
 
$stopwatch->openSection();
 
// Start event named 'conroller' for category 'template'
$stopwatch->start('controller', 'template');
 
// ... some code goes here
$stopwatch->lap('controller');
 
// ... some code goes here
$event = $stopwatch->stop('controller');
 
$stopwatch->stopSection('routing');
 
// reopen
$stopwatch->openSection('routing');

use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 
class DataGrid {
    public function __construct($items, array $columns, PropertyAccessorInterface $accessor) {
         // Store row data
         foreach ($items as $item) {
             $this->rows[] = array_map(function ($path) use ($item, $accessor) {
                 return $accessor->getValue($item, $path);
             }, $columns);
         }
    }
}
 
$accessor = PropertyAccess::getPropertyAccessor();
 
$data = array(
    array(
        'id' => 1,
        'firstName' => 'Paul',
        'instrument' => array(
            'name' => 'Guitar',
            'type' => 'String instrument',
        ),
    ),
);
 
$grid = new DataGrid($data, array(
    '[firstName]',
    '[instrument][name]',
), $accessor);

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
 
/**
 * @Route("/blog/{id}")
 * @ParamConverter("post", class="SensioBlogBundle:Post", options={"entity_manager" = "foo", "repository_method" = "findMyAll"})
 */
public function showAction(Post $post)
{
}