function PrimitiveDataNormalizer::normalize

File

core/modules/serialization/src/Normalizer/PrimitiveDataNormalizer.php, line 18

Class

PrimitiveDataNormalizer

Converts primitive data objects to their casted values.

Namespace

Code

public function normalize($object, $format = NULL, array $context = []) : array|string|int|float|bool|\ArrayObject|null {
    // Add cacheability if applicable.
    $this->addCacheableDependency($context, $object);
    $parent = $object->getParent();
    if ($parent instanceof FieldItemInterface && $object->getValue()) {
        $serialized_property_names = $this->getCustomSerializedPropertyNames($parent);
        if (in_array($object->getName(), $serialized_property_names, TRUE)) {
            return unserialize($object->getValue());
        }
    }
    // Typed data casts NULL objects to their empty variants, so for example
    // the empty string ('') for string type data, or 0 for integer typed data.
    // In a better world with typed data implementing algebraic data types,
    // getCastedValue would return NULL, but as typed data is not aware of real
    // optional values on the primitive level, we implement our own optional
    // value normalization here.
    return $object->getValue() === NULL ? NULL : $object->getCastedValue();
}