function sharethis_block_help in Sharethis block 8

Implements hook_help().

File

./sharethis_block.module, line 45

Hook implementations for the sharethis_block module.

Code

function sharethis_block_help($route_name, RouteMatchInterface $route_match) {
  if ($route_name === 'help.page.sharethis_block') {
    $readme_file = file_exists(__DIR__ . '/README.md') ? __DIR__ . '/README.md' : __DIR__ . '/README.txt';
    if (!file_exists($readme_file)) {
      return NULL;
    }

    // Use the Markdown filter to render the README.
    if (method_exists('Drupal\\markdown\\Markdown', 'create')) {
      return Drupal\markdown\Markdown::create()
        ->loadPath($readme_file);
    }

    // Fall back to plain text.
    $text = file_get_contents($readme_file);
    return '<pre>' . Html::escape($text) . '</pre>';
  }
  return NULL;
}