FormInterface setParent(FormInterface $parent = null) Sets the parent form. Parameters FormInterface $parent The parent form or null if it's the root Return Value FormInterface The form instance Exceptions AlreadySubmittedException If the form has already been submitted. LogicException When trying to set a parent for a form with an empty name.

TokenInterface|null getToken() Returns the current security token. Return Value TokenInterface|null A TokenInterface instance or null if no authentication information is available

trans($message, array $arguments = array(), $domain = null, $locale = null) Parameters $message array $arguments $domain $locale

class InvalidArgumentException extends InvalidArgumentException implements ExceptionInterface Thrown when an argument is invalid.

FormConfigBuilderInterface setMapped(bool $mapped) Unsupported method. This method should not be invoked. Parameters bool $mapped Whether the form should be mapped Return Value FormConfigBuilderInterface The configuration object Exceptions BadMethodCallException

string getDataClass() Returns the class of the form data or null if the data is scalar or an array. Return Value string The data class or null

array getElements() Returns the elements of the property path as array. Return Value array An array of property/index names

FormConfigBuilderInterface setMethod(string $method) Sets the HTTP method used by the form. Parameters string $method The HTTP method of the form Return Value FormConfigBuilderInterface The configuration object

setExpression(ExpressionLanguage $language, $expression) Parameters ExpressionLanguage $language $expression

class DirectoryLoader extends FileLoader DirectoryLoader is a recursive loader to go through directories. Methods LoaderResolverInterface getResolver() Gets the loader resolver. from Loader setResolver(LoaderResolverInterface $resolver) Sets the loader resolver. from Loader mixed import(mixed $resource, string|null $type = null, bool $ignoreErrors = false, string|null $sourceResource = null) Imports a resource. from FileLoader LoaderInterface resolve(mixed $resource, string|n