1. class
  2. Drupal
  3. \
  4. Core
  5. \
  6. EventSubscriber
  7. \
  8. ExceptionDetectNeedsInstallSubscriber

ExceptionDetectNeedsInstallSubscriber

class ExceptionDetectNeedsInstallSubscriber implements EventSubscriberInterface (View source)

Exception handler to determine if an exception indicates an uninstalled site.

Traits

InstallerRedirectTrait

Provides methods for checking if Drupal is already installed.

Properties

protected Connection $connection

The default database connection.

Methods

bool
isCli()

Returns whether the current PHP process runs on CLI.

from  InstallerRedirectTrait
bool
shouldRedirectToInstaller(Exception $exception, Connection $connection = NULL)

Determines if an exception handler should redirect to the installer.

from  InstallerRedirectTrait
__construct(Connection $connection)

Constructs a new ExceptionDetectNeedsInstallSubscriber.

onException(ExceptionEvent $event)

Handles errors for this subscriber.

static array
getSubscribedEvents()

Registers the methods in this class that should be listeners.

Details

in InstallerRedirectTrait at line 21
protected bool isCli()

Returns whether the current PHP process runs on CLI.

Return Value

bool

in InstallerRedirectTrait at line 40
protected bool shouldRedirectToInstaller(Exception $exception, Connection $connection = NULL)

Determines if an exception handler should redirect to the installer.

Parameters

Exception $exception

The exception to check.
Connection $connection

(optional) The default database connection. If not provided, a less comprehensive check will be performed. This can be the case if the exception occurs early enough that a database connection object isn't available from the container yet.

Return Value

bool

TRUE if the exception handler should redirect to the installer because Drupal is not installed yet, or FALSE otherwise.

at line 31
__construct(Connection $connection)

Constructs a new ExceptionDetectNeedsInstallSubscriber.

Parameters

Connection $connection

The default database connection.

at line 41
onException(ExceptionEvent $event)

Handles errors for this subscriber.

Parameters

ExceptionEvent $event

The event to process.

at line 60
static array getSubscribedEvents()

Registers the methods in this class that should be listeners.

Return Value

array

An array of event listener definitions.