protected function ListItemBase::allowedValuesString in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::allowedValuesString()
2. 10 core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php \Drupal\options\Plugin\Field\FieldType\ListItemBase::allowedValuesString()

Generates a string representation of an array of 'allowed values'.

This string format is suitable for edition in a textarea.

Parameters

array $values: An array of values, where array keys are values and array values are labels.

Return value

string The string representation of the $values array:

• Values are separated by a carriage return.
• Each value is in the format "value|label" or "value".

1 call to ListItemBase::allowedValuesString()

ListItemBase::storageSettingsForm in core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php

Returns a form for the storage-level settings.

File

core/modules/options/src/Plugin/Field/FieldType/ListItemBase.php, line 238

Class

ListItemBase

Plugin base class inherited by the options field types.

Namespace

Drupal\options\Plugin\Field\FieldType

Code

protected function allowedValuesString($values) {
  $lines = [];
  foreach ($values as $key => $value) {
    $lines[] = "{$key}|{$value}";
  }
  return implode("\n", $lines);
}