eZ\Publish\Core\REST\Common\Output\FieldTypeSerializer::serializeValue PHP Method

    protected function serializeValue($elementName, Generator $generator, FieldType $fieldType, $value)
    {
        $hash = $fieldType->toHash($value);
        $fieldTypeIdentifier = $fieldType->getFieldTypeIdentifier();
        if ($this->fieldTypeProcessorRegistry->hasProcessor($fieldTypeIdentifier)) {
            $processor = $this->fieldTypeProcessorRegistry->getProcessor($fieldTypeIdentifier);
            $hash = $processor->postProcessValueHash($hash);
        }
        $this->serializeHash($elementName, $generator, $hash);
    }