elseif (function_exists('drupal_bootstrap') && version_compare(VERSION, '6.0', '>=') && version_compare(VERSION, '7.0', '<')) {
return 'Drupal6';
}
elseif (function_exists('drupal_bootstrap') && version_compare(VERSION, '7.0', '>=') && version_compare(VERSION, '8.0', '<')) {
return 'Drupal';
}
elseif (function_exists('drupal_bootstrap') && version_compare(VERSION, '6.0', '>=') && version_compare(VERSION, '7.0', '<')) {
return 'Drupal6';
}
elseif (function_exists('drupal_bootstrap') && version_compare(VERSION, '7.0', '>=') && version_compare(VERSION, '8.0', '<')) {
return 'Drupal';
}