protected function WidgetBase::sortItems

Sorts submitted field values according to drag-n-drop reordering.

Parameters

array $items: The field values.

File

drupal/core/modules/field/lib/Drupal/field/Plugin/Type/Widget/WidgetBase.php, line 430

Definition of Drupal\field\Plugin\Type\Widget\WidgetBase.

Class

WidgetBase

Base class for 'Field widget' plugin implementations.

Namespace

Code

protected function sortItems(array &$items) {
  $is_multiple = $this->field['cardinality'] == FIELD_CARDINALITY_UNLIMITED || $this->field['cardinality'] > 1;
  if ($is_multiple && isset($items[0]['_weight'])) {
    usort($items, function ($a, $b) {
      $a_weight = is_array($a) ? $a['_weight'] : 0;
      $b_weight = is_array($b) ? $b['_weight'] : 0;
      return $a_weight - $b_weight;
    });

    // Remove the '_weight' entries.
    foreach ($items as $delta => &$item) {
      if (is_array($item)) {
        unset($item['_weight']);
      }
    }
  }
}