function Drupal::hasService

Indicates if a service is defined in the container.

Parameters

string $id: The ID of the service to check.

Return value

bool TRUE if the specified service exists, FALSE otherwise.

18 calls to Drupal::hasService()

Connection::dispatchEvent in core/lib/Drupal/Core/Database/Connection.php: Dispatches a database API event via the container dispatcher.
Database::getDriverList in core/lib/Drupal/Core/Database/Database.php: Returns the list provider for available database drivers.
DatabaseDriver::load in core/lib/Drupal/Core/Extension/DatabaseDriver.php: Loads the main extension file, if any.
ExtensionDiscovery::scan in core/lib/Drupal/Core/Extension/ExtensionDiscovery.php: Discovers available extensions of a given type.
FormBuilder::currentUser in core/lib/Drupal/Core/Form/FormBuilder.php: Gets the current active user.

... See full list

File

core/lib/Drupal.php, line 209

Class

Drupal: Static Service Container wrapper.

Code

public static function hasService($id) {
    // Check hasContainer() first in order to always return a Boolean.
    return static::hasContainer() && static::getContainer()->has($id);
}