int count() Returns the number of attributes. Return Value int The number of attributes

class UnsupportedException extends InvalidArgumentException UnsupportedException.

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

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

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

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

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

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

setEvents(array $events) Sets the request events. Parameters array $events The request events