options_help

options_help($route_name, RouteMatchInterface $route_match)

function options_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.options':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('The Options module allows you to create fields where data values are selected from a fixed list of options. Usually these items are entered through a select list, checkboxes, or radio buttons. See the <a href=":field">Field module help</a> and the <a href=":field_ui">Field UI help</a> pages for general information on fields and how to create and manage them. For more information, see the <a href=":options_do">online documentation for the Options module</a>.', array(':field' => \Drupal::url('help.page', array('name' => 'field')), ':field_ui' => (\Drupal::moduleHandler()->moduleExists('field_ui')) ? \Drupal::url('help.page', array('name' => 'field_ui')) : '#', ':options_do' => 'https://www.drupal.org/documentation/modules/options')) . '</p>';
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<dl>';
      $output .= '<dt>' . t('Managing and displaying list fields') . '</dt>';
      $output .= '<dd>' . t('The <em>settings</em> and the <em>display</em> of the list fields can be configured separately. See the <a href=":field_ui">Field UI help</a> for more information on how to manage fields and their display.', array(':field_ui' => (\Drupal::moduleHandler()->moduleExists('field_ui')) ? \Drupal::url('help.page', array('name' => 'field_ui')) : '#')) . '</dd>';
      $output .= '<dt>' . t('Defining option keys and labels') . '</dt>';
      $output .= '<dd>' . t('When you define the list options you can define a key and a label for each option in the list. The label will be shown to the users while the key gets stored in the database.') . '</dd>';
      $output .= '<dt>' . t('Choosing list field type') . '</dt>';
      $output .= '<dd>' . t('There are three types of list fields, which store different types of data: <em>float</em>, <em>integer</em> or, <em>text</em>. The <em>float</em> type allows storing approximate decimal values. The <em>integer</em> type allows storing whole numbers, such as years (for example, 2012) or values (for example, 1, 2, 5, 305). The <em>text</em> list field type allows storing text values. No matter which type of list field you choose, you can define whatever labels you wish for data entry.') . '</dd>';
      $output .= '</dl>';
      return $output;
  }
}