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  8. ResettableContainerInterface

ResettableContainerInterface deprecated

interface ResettableContainerInterface implements ContainerInterface, ResetInterface

deprecated since Symfony 4.2, use "Symfony\Contracts\Service\ResetInterface" instead.

ResettableContainerInterface defines additional resetting functionality for containers, allowing to release shared services when the container is not needed anymore.

Methods

set(string $id, object $service)

Sets a service.

from ContainerInterface
object
get(string $id, int $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE)

Gets a service.

from ContainerInterface
bool
has(string $id)

Returns true if the given service is defined.

from ContainerInterface
bool
initialized(string $id)

Check for whether or not a service has been initialized.

from ContainerInterface
mixed
getParameter(string $name)

Gets a parameter.

from ContainerInterface
bool
hasParameter(string $name)

Checks if a parameter exists.

from ContainerInterface
setParameter(string $name, mixed $value)

Sets a parameter.

from ContainerInterface
reset()

Resets shared services from the container.

Details

set(string $id, object $service)

Sets a service.

Parameters

string $id The service identifier
object $service The service instance

object get(string $id, int $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE)

Gets a service.

Parameters

string $id The service identifier
int $invalidBehavior The behavior when the service does not exist

Return Value

object The associated service

Exceptions

ServiceCircularReferenceException When a circular reference is detected
ServiceNotFoundException When the service is not defined

See also

bool has(string $id)

Returns true if the given service is defined.

Parameters

string $id The service identifier

Return Value

bool true if the service is defined, false otherwise

bool initialized(string $id)

Check for whether or not a service has been initialized.

Parameters

string $id

Return Value

bool true if the service has been initialized, false otherwise

mixed getParameter(string $name)

Gets a parameter.

Parameters

string $name The parameter name

Return Value

mixed The parameter value

Exceptions

InvalidArgumentException if the parameter is not defined

bool hasParameter(string $name)

Checks if a parameter exists.

Parameters

string $name The parameter name

Return Value

bool The presence of parameter in container

setParameter(string $name, mixed $value)

Sets a parameter.

Parameters

string $name The parameter name
mixed $value The parameter value

reset()

Resets shared services from the container.

The container is not intended to be used again after being reset in a normal workflow. This method is meant as a way to release references for ref-counting. A subsequent call to ContainerInterface::get will recreate a new instance of the shared service.