bool invalidate(int $lifetime = null) Invalidates the current session. Clears all session attributes and flashes and regenerates the session and deletes the old session from persistence. Parameters int $lifetime Sets the cookie lifetime for the session cookie. A null value will leave the system settings unchanged, 0 sets the cookie to expire with browser session. Time is in seconds, and is not a Unix timestamp. Return Value bool True if session invalidated, false if error

class Range extends Constraint Constants DEFAULT_GROUP The name of the group given to all constraints with no explicit group. CLASS_CONSTRAINT Marks a constraint that can be put onto classes. PROPERTY_CONSTRAINT Marks a constraint that can be put onto properties. INVALID_CHARACTERS_ERROR TOO_HIGH_ERROR TOO_LOW_ERROR Properties mixed $payload Domain-specific data attached to a constraint. from Constraint array $groups The groups that the constraint belongs to from Co

ValidatorBuilderInterface disableAnnotationMapping() Disables annotation based constraint mapping. Return Value ValidatorBuilderInterface The builder object

string getQuestion() Returns the question. Return Value string

bool invalidate(int $lifetime = null) Invalidates the current session. Clears all session attributes and flashes and regenerates the session and deletes the old session from persistence. Parameters int $lifetime Sets the cookie lifetime for the session cookie. A null value will leave the system settings unchanged, 0 sets the cookie to expire with browser session. Time is in seconds, and is not a Unix timestamp. Return Value bool True if session invalidated, false if error

class Button implements IteratorAggregate, FormInterface A form button. Methods __construct(FormConfigInterface $config) Creates a new button from a form configuration. bool offsetExists(mixed $offset) Unsupported method. offsetGet(mixed $offset) Unsupported method. offsetSet(mixed $offset, mixed $value) Unsupported method. offsetUnset(mixed $offset) Unsupported method. FormInterface setParent(FormInterface $parent = null) Sets the parent form. FormInterface|n

destroy($sessionId) {@inheritdoc} Parameters $sessionId

EmptyIterator getIterator() Unsupported method. Return Value EmptyIterator Always returns an empty iterator

dump(ConfigurationInterface $configuration) Parameters ConfigurationInterface $configuration

bool hasOption(string $name) Returns whether a specific option exists. Parameters string $name The option name, Return Value bool Whether the option exists