/**
* Runs a process pipeline on each destination list item.
*/
public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property)
{
$return = array();
if (!is_array($value)) {
$value = [$value];
}
// All processes are applied to a single field.
$process = [$this->configuration['process']];
foreach ($value as $key => $new_value) {
$new_row = new Row(array(), array());
$migrate_executable->processRow($new_row, $process, $new_value);
$destination = $new_row->getDestination();
// Getting the last value from the process chain.
$return[$key] = end($destination);
}
return $return;
}
/**
* Runs the process pipeline for the current key.
*
* @param string|int $key
* The current key.
* @param \Drupal\migrate\MigrateExecutableInterface $migrate_executable
* The migrate executable helper class.
* @param \Drupal\migrate\Row $row
* The current row after processing.
*
* @return mixed
* The transformed key.
*/
protected function transformKey($key, MigrateExecutableInterface $migrate_executable, Row $row)
{
$process = array('key' => $this->configuration['key']);
$migrate_executable->processRow($row, $process, $key);
return $row->getDestinationProperty('key');
}