class CodeExtension extends Twig_Extension Twig extension relate to PHP code and used by the profiler

class HttpFoundationExtension extends Twig_Extension Twig extension for the Symfony HttpFoundation

isGranted($role, $object = null, $field = null) Parameters

string csrfToken(string $tokenId) Returns a CSRF token. Use this helper for CSRF protection

deleteTokenBySeries(string $series) Deletes all tokens belonging to series.

static getServiceProvider(

write($sessionId, $data) {@inheritdoc} Parameters

class ChoiceFormField extends FormField

class FilesystemAdapter extends

class DepthRangeFilterIterator extends