$library['title'], ); // Ensure highcharts library is installed. if (file_exists(DRUPAL_ROOT . '/' . key($library['js']))) { $requirements['highcharts']['value'] = $t('Installed'); $requirements['highcharts']['severity'] = REQUIREMENT_OK; } else { $requirements['highcharts']['value'] = $t('Not Installed'); $requirements['highcharts']['severity'] = REQUIREMENT_ERROR; $requirements['highcharts']['description'] = $t('The library %title was not found.', array( '%title' => $library['title'], '@website' => $library['website'], )); } } return $requirements; }