public function StringItemBase::isEmpty in Drupal 10

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItemBase.php \Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase::isEmpty()
2. 9 core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItemBase.php \Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase::isEmpty()

Determines whether the data structure is empty.

Return value

bool TRUE if the data structure is empty, FALSE otherwise.

Overrides Map::isEmpty

1 call to StringItemBase::isEmpty()

UriItem::isEmpty in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/UriItem.php

Determines whether the data structure is empty.

3 methods override StringItemBase::isEmpty()

PasswordItem::isEmpty in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/PasswordItem.php

Determines whether the data structure is empty.

UriItem::isEmpty in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/UriItem.php

Determines whether the data structure is empty.

UserNameItem::isEmpty in core/modules/user/src/UserNameItem.php

Determines whether the data structure is empty.

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItemBase.php, line 41

Class

StringItemBase

Base class for string field types.

Namespace

Drupal\Core\Field\Plugin\Field\FieldType

Code

public function isEmpty() {
  $value = $this
    ->get('value')
    ->getValue();
  return $value === NULL || $value === '';
}