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

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;
}