Flatten.php in Zircon Profile 8.0
Same filename and directory in other branches
Namespace
Drupal\migrate\Plugin\migrate\processFile
core/modules/migrate/src/Plugin/migrate/process/Flatten.phpView source
<?php
/**
* @file
* Contains \Drupal\migrate\Plugin\migrate\process\Flatten.
*/
namespace Drupal\migrate\Plugin\migrate\process;
use Drupal\migrate\MigrateExecutableInterface;
use Drupal\migrate\ProcessPluginBase;
use Drupal\migrate\Row;
/**
* This plugin flattens the current value.
*
* During some types of processing (e.g. user permission splitting), what was
* once a single value gets transformed into multiple values. This plugin will
* flatten them back down to single values again.
*
* @see https://www.drupal.org/node/2154215
*
* @MigrateProcessPlugin(
* id = "flatten",
* handle_multiples = TRUE
* )
*/
class Flatten extends ProcessPluginBase {
/**
* Flatten nested array values to single array values.
*
* For example, array(array(1, 2, array(3, 4))) becomes array(1, 2, 3, 4).
*/
public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
return iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($value)), FALSE);
}
}