token_or-8.x-1.x-dev/token_or.module

<?php

/**
 * @file
 * Use case: Open Graph image with default fallback.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function token_or_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the token_or module.
    case 'help.page.token_or':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('This module simply extends the token module to use "OR" logic within a single token. It returns the first token or string that is not empty.') . '</p>';
      return $output;
  }
}

/**
 * Implements hook_tokens_pre_alter().
 */
function token_or_tokens_pre_alter(&$text, $data, $options) {
  \Drupal::service('token_or.tokens_pre_alter')->tokensPreAlter($text, $data, $options);
}