bool isValidateable() Returns true if the response includes headers that can be used to validate the response with the origin server using a conditional GET request. Return Value bool true if the response is validateable, false otherwise

class AccessException extends LogicException implements ExceptionInterface Thrown when trying to read an option outside of or write it inside of {@link \Symfony\Component\OptionsResolver\Options::resolve()}.

class ErrorHandler extends ErrorHandler deprecated since version 2.3, to be removed in 3.0. Use the same class from the Debug component instead. ErrorHandler. Constants TYPE_DEPRECATION Methods static ErrorHandler register(ErrorHandler|null|int $handler = null, bool $replace = true) Registers the error handler. from ErrorHandler __construct(BufferingLogger $bootstrappingLogger = null) from ErrorHandler setDefaultLogger(LoggerInterface $logger, array|int $levels = null,

write(ClassMetadata $metadata) Stores a class metadata in the cache. Parameters ClassMetadata $metadata A Class Metadata

setLocale(string $locale) Sets the current locale. Parameters string $locale The locale Exceptions InvalidArgumentException If the locale contains invalid characters

addConfiguration(NodeDefinition $node) Parameters NodeDefinition $node

class MergeBuilder This class builds merge conditions. Properties $allowFalse $allowOverwrite Methods __construct(NodeDefinition $node) Constructor. MergeBuilder allowUnset(bool $allow = true) Sets whether the node can be unset. MergeBuilder denyOverwrite(bool $deny = true) Sets whether the node can be overwritten. NodeDefinition end() Returns the related node. Details __construct(NodeDefinition $node) Constructor. P

string getEnvironment() Gets the environment. Return Value string The current environment

bool has(string $name) Returns true if the command exists, false otherwise. Parameters string $name The command name or alias Return Value bool true if the command exists, false otherwise

create(ContainerBuilder $container, $id, $config) Parameters ContainerBuilder $container $id $config