function block_token_help in Block Token 8

Same name and namespace in other branches

1. 7 block_token.module \block_token_help()

Implements hook_help().

File

./block_token.module, line 21

Defines necessary hooks and functions for block_token form.

Code

function block_token_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.block_token':
      $filepath = dirname(__FILE__) . '/README.txt';
      $readme = file_get_contents($filepath);
      if (!isset($readme)) {
        return NULL;
      }
      if (\Drupal::moduleHandler()
        ->moduleExists('markdown')) {
        $filters = \Drupal::moduleHandler()
          ->invoke('markdown', 'filter_info');
        $info = $filters['filter_markdown'];
        if (function_exists($info['process callback'])) {
          $output = $info['process callback']($readme, NULL);
        }
        else {
          $output = '<pre>' . $readme . '</pre>';
        }
      }
      else {
        $output = '<pre>' . $readme . '</pre>';
      }
      return $output;
  }
}