function NullCoalesce::transform

Overrides ProcessPluginBase::transform

File

core/modules/migrate/src/Plugin/migrate/process/NullCoalesce.php, line 40

Class

NullCoalesce

Provides a Null Coalesce process plugin.

Namespace

Drupal\migrate\Plugin\migrate\process

Code

public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
    if (!is_array($value)) {
        throw new MigrateException("The input value should be an array.");
    }
    foreach ($value as $val) {
        if (NULL !== $val) {
            return $val;
        }
    }
    if (isset($this->configuration['default_value'])) {
        return $this->configuration['default_value'];
    }
    return NULL;
}