help_page_test.module

<?php


/**
 * @file
 * Help Page Test module to test the help page.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function help_page_test_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.help_page_test':
      // Make the help text conform to core standards. See
      // \Drupal\system\Tests\Functional\GenericModuleTestBase::assertHookHelp().
      return t('Read the <a href=":url">online documentation for the Help Page Test module</a>.', [
        ':url' => 'http://www.example.com',
      ]);
    case 'help_page_test.has_help':
      return t('I have help!');
    case 'help_page_test.test_array':
      return [
        '#markup' => 'Help text from help_page_test_help module.',
      ];
  }
  // Ensure that hook_help() can return an empty string and not cause the block
  // to display.
  return '';
}