MapFieldItemList.php in Drupal 8
Same filename and directory in other branches
Namespace
Drupal\Core\FieldFile
core/lib/Drupal/Core/Field/MapFieldItemList.phpView source
<?php
namespace Drupal\Core\Field;
/**
* Defines a item list class for map fields.
*/
class MapFieldItemList extends FieldItemList {
/**
* {@inheritdoc}
*/
public function equals(FieldItemListInterface $list_to_compare) {
$count1 = count($this);
$count2 = count($list_to_compare);
if ($count1 === 0 && $count2 === 0) {
// Both are empty we can safely assume that it did not change.
return TRUE;
}
if ($count1 !== $count2) {
// The number of items is different so they do not have the same values.
return FALSE;
}
// The map field type does not have any property defined (because they are
// dynamic), so the only way to evaluate the equality for it is to rely
// solely on its values.
$value1 = $this
->getValue();
$value2 = $list_to_compare
->getValue();
return $value1 == $value2;
}
}
Classes
Name | Description |
---|---|
MapFieldItemList | Defines a item list class for map fields. |