PHP drupal_language_initialize函数代码示例

 /**
  * Calls the bootstrap phase.
  *
  * This method can be overridden to support events in subclasses.
  *
  * @param $current_phase
  * @return mixed
  */
 public function __invoke($current_phase)
 {
     switch ($current_phase) {
         case DRUPAL_BOOTSTRAP_CONFIGURATION:
             _drupal_bootstrap_configuration();
             break;
         case DRUPAL_BOOTSTRAP_PAGE_CACHE:
             _drupal_bootstrap_page_cache();
             break;
         case DRUPAL_BOOTSTRAP_DATABASE:
             _drupal_bootstrap_database();
             break;
         case DRUPAL_BOOTSTRAP_VARIABLES:
             _drupal_bootstrap_variables();
             break;
         case DRUPAL_BOOTSTRAP_SESSION:
             require_once DRUPAL_ROOT . '/' . variable_get('session_inc', 'includes/session.inc');
             drupal_session_initialize();
             break;
         case DRUPAL_BOOTSTRAP_PAGE_HEADER:
             _drupal_bootstrap_page_header();
             break;
         case DRUPAL_BOOTSTRAP_LANGUAGE:
             drupal_language_initialize();
             break;
         case DRUPAL_BOOTSTRAP_FULL:
             require_once DRUPAL_ROOT . '/includes/common.inc';
             _drupal_bootstrap_full();
             break;
     }
 }

// to run updates (since it may expose sensitive information about the site's
// configuration).
$op = isset($_REQUEST['op']) ? $_REQUEST['op'] : '';
if (empty($op) && update_access_allowed()) {
    require_once DRUPAL_ROOT . '/includes/install.inc';
    require_once DRUPAL_ROOT . '/modules/system/system.install';
    // Load module basics.
    include_once DRUPAL_ROOT . '/includes/module.inc';
    $module_list['system']['filename'] = 'modules/system/system.module';
    module_list(TRUE, FALSE, FALSE, $module_list);
    drupal_load('module', 'system');
    // Reset the module_implements() cache so that any new hook implementations
    // in updated code are picked up.
    module_implements('', FALSE, TRUE);
    // Set up $language, since the installer components require it.
    drupal_language_initialize();
    // Set up theme system for the maintenance page.
    drupal_maintenance_theme();
    // Check the update requirements for Drupal.
    update_check_requirements();
    // Redirect to the update information page if all requirements were met.
    install_goto('update.php?op=info');
}
// update_fix_d7_requirements() needs to run before bootstrapping beyond path.
// So bootstrap to DRUPAL_BOOTSTRAP_LANGUAGE then include unicode.inc.
drupal_bootstrap(DRUPAL_BOOTSTRAP_LANGUAGE);
include_once DRUPAL_ROOT . '/includes/unicode.inc';
update_fix_d7_requirements();
// Now proceed with a full bootstrap.
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
drupal_maintenance_theme();

/**
 * Begin an installation request, modifying the installation state as needed.
 *
 * This function performs commands that must run at the beginning of every page
 * request. It throws an exception if the installation should not proceed.
 *
 * @param $install_state
 *   An array of information about the current installation state. This is
 *   modified with information gleaned from the beginning of the page request.
 */
function install_begin_request(&$install_state)
{
    // Allow command line scripts to override server variables used by Drupal.
    require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
    if (!$install_state['interactive']) {
        drupal_override_server_variables($install_state['server']);
    }
    // The user agent header is used to pass a database prefix in the request when
    // running tests. However, for security reasons, it is imperative that no
    // installation be permitted using such a prefix.
    if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], "simpletest") !== FALSE) {
        header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
        exit;
    }
    drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
    // This must go after drupal_bootstrap(), which unsets globals!
    global $conf;
    require_once DRUPAL_ROOT . '/modules/system/system.install';
    require_once DRUPAL_ROOT . '/includes/common.inc';
    require_once DRUPAL_ROOT . '/includes/file.inc';
    require_once DRUPAL_ROOT . '/includes/path.inc';
    // Set up $language, so t() caller functions will still work.
    drupal_language_initialize();
    // Load module basics (needed for hook invokes).
    include_once DRUPAL_ROOT . '/includes/module.inc';
    include_once DRUPAL_ROOT . '/includes/session.inc';
    include_once DRUPAL_ROOT . '/includes/entity.inc';
    $module_list['system']['filename'] = 'modules/system/system.module';
    $module_list['filter']['filename'] = 'modules/filter/filter.module';
    $module_list['user']['filename'] = 'modules/user/user.module';
    module_list(TRUE, FALSE, FALSE, $module_list);
    drupal_load('module', 'system');
    drupal_load('module', 'filter');
    drupal_load('module', 'user');
    // Load the cache infrastructure with the Fake Cache. Switch to the database cache
    // later if possible.
    require_once DRUPAL_ROOT . '/includes/cache.inc';
    require_once DRUPAL_ROOT . '/includes/cache-install.inc';
    $conf['cache_inc'] = 'includes/cache.inc';
    $conf['cache_default_class'] = 'DrupalFakeCache';
    // Prepare for themed output, if necessary. We need to run this at the
    // beginning of the page request to avoid a different theme accidentally
    // getting set.
    if ($install_state['interactive']) {
        drupal_maintenance_theme();
    }
    // Check existing settings.php.
    $install_state['settings_verified'] = install_verify_settings();
    if ($install_state['settings_verified']) {
        // Since we have a database connection, we use the normal cache system.
        // This is important, as the installer calls into the Drupal system for
        // the clean URL checks, so we should maintain the cache properly.
        unset($conf['cache_default_class']);
        // Initialize the database system. Note that the connection
        // won't be initialized until it is actually requested.
        require_once DRUPAL_ROOT . '/includes/database/database.inc';
        // Verify the last completed task in the database, if there is one.
        $task = install_verify_completed_task();
    } else {
        $task = NULL;
        // Since previous versions of Drupal stored database connection information
        // in the 'db_url' variable, we should never let an installation proceed if
        // this variable is defined and the settings file was not verified above
        // (otherwise we risk installing over an existing site whose settings file
        // has not yet been updated).
        if (!empty($GLOBALS['db_url'])) {
            throw new Exception(install_already_done_error());
        }
    }
    // Modify the installation state as appropriate.
    $install_state['completed_task'] = $task;
    $install_state['database_tables_exist'] = !empty($task);
    // Add any installation parameters passed in via the URL.
    $install_state['parameters'] += $_GET;
    // Validate certain core settings that are used throughout the installation.
    if (!empty($install_state['parameters']['profile'])) {
        $install_state['parameters']['profile'] = preg_replace('/[^a-zA-Z_0-9]/', '', $install_state['parameters']['profile']);
    }
    if (!empty($install_state['parameters']['locale'])) {
        $install_state['parameters']['locale'] = preg_replace('/[^a-zA-Z_0-9\\-]/', '', $install_state['parameters']['locale']);
    }
}