function EntityFieldTest::getContainedStrings

Gets all contained strings recursively.

File

core/tests/Drupal/KernelTests/Core/Entity/EntityFieldTest.php, line 631

Class

EntityFieldTest

Tests the Entity Field API.

Namespace

Code

public function getContainedStrings(TypedDataInterface $wrapper, $depth, array &$strings) {
  if ($wrapper instanceof StringInterface) {
    $strings[] = $wrapper->getValue();
  }
  // Recurse until a certain depth is reached if possible.
  if ($depth < 7) {
    if ($wrapper instanceof ListInterface) {
      foreach ($wrapper as $item) {
        $this->getContainedStrings($item, $depth + 1, $strings);
      }
    }
    elseif ($wrapper instanceof ComplexDataInterface) {
      foreach ($wrapper as $property) {
        $this->getContainedStrings($property, $depth + 1, $strings);
      }
    }
  }
}