function ListIntegerItem::validateAllowedValue

Same name in other branches
  1. 9 core/modules/options/src/Plugin/Field/FieldType/ListIntegerItem.php \Drupal\options\Plugin\Field\FieldType\ListIntegerItem::validateAllowedValue()
  2. 8.9.x core/modules/options/src/Plugin/Field/FieldType/ListIntegerItem.php \Drupal\options\Plugin\Field\FieldType\ListIntegerItem::validateAllowedValue()
  3. 10 core/modules/options/src/Plugin/Field/FieldType/ListIntegerItem.php \Drupal\options\Plugin\Field\FieldType\ListIntegerItem::validateAllowedValue()

Overrides ListItemBase::validateAllowedValue

File

core/modules/options/src/Plugin/Field/FieldType/ListIntegerItem.php, line 69

Class

ListIntegerItem
Plugin implementation of the 'list_integer' field type.

Namespace

Drupal\options\Plugin\Field\FieldType

Code

protected static function validateAllowedValue($option) {
    if (!preg_match('/^-?\\d+$/', $option)) {
        return new TranslatableMarkup('Allowed values list: keys must be integers.');
    }
    return NULL;
}

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