private function CheckCircularReferencesPass::checkOutEdges

Checks for circular references.

Parameters

ServiceReferenceGraphEdge[] $edges An array of Edges:

Throws

ServiceCircularReferenceException When a circular reference is found.

1 call to CheckCircularReferencesPass::checkOutEdges()
CheckCircularReferencesPass::process in drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php
Checks the ContainerBuilder object for circular references.

File

drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php, line 56

Class

CheckCircularReferencesPass
Checks your services for circular references

Namespace

Symfony\Component\DependencyInjection\Compiler

Code

private function checkOutEdges(array $edges) {
  foreach ($edges as $edge) {
    $node = $edge
      ->getDestNode();
    $id = $node
      ->getId();
    $searchKey = array_search($id, $this->currentPath);
    $this->currentPath[] = $id;
    if (false !== $searchKey) {
      throw new ServiceCircularReferenceException($id, array_slice($this->currentPath, $searchKey));
    }
    $this
      ->checkOutEdges($node
      ->getOutEdges());
    array_pop($this->currentPath);
  }
}