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) : void {
    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);
            }
        }
    }
}