public function ExpressionInterface::getRoot in Rules 8.3

Returns the root expression if this expression is nested.

Return value

\Drupal\rules\Engine\ExpressionInterface The root expression or $this if the expression is the root element itself.

1 method overrides ExpressionInterface::getRoot()

ExpressionBase::getRoot in src/Engine/ExpressionBase.php

Returns the root expression if this expression is nested.

File

src/Engine/ExpressionInterface.php, line 51

Class

ExpressionInterface

Defines the interface for Rules expressions.

Namespace

Drupal\rules\Engine

Code

public function getRoot();