function TwigNodeVisitorCheckDeprecations::leaveNode

File

core/lib/Drupal/Core/Template/TwigNodeVisitorCheckDeprecations.php, line 58

Class

TwigNodeVisitorCheckDeprecations

Provides a Node Visitor to trigger errors if deprecated variables are used.

Namespace

Code

public function leaveNode(Node $node, Environment $env) : ?Node {
  // At the end of the template, check the used variables are not deprecated.
  if ($node instanceof ModuleNode) {
    if (!empty($this->usedNames)) {
      $checkNode = new Node([
        new TwigNodeCheckDeprecations($this->usedNames),
        $node->getNode('display_end'),
      ]);
      $node->setNode('display_end', $checkNode);
    }
  }
  return $node;
}