_drupal_bootstrap
Definition
_drupal_bootstrap($phase)
drupal/includes/bootstrap.inc, line 1076
Code
function _drupal_bootstrap($phase) {
global $conf;
switch ($phase) {
case DRUPAL_BOOTSTRAP_CONFIGURATION:
drupal_initialize_variables();
// Start a page timer:
timer_start('page');
// Initialize the configuration
conf_init();
break;
case DRUPAL_BOOTSTRAP_EARLY_PAGE_CACHE:
// Allow specifying special cache handlers in settings.php, like
// using memcached or files for storing cache information.
require_once DRUPAL_ROOT . '/' . variable_get('cache_inc', 'includes/cache.inc');
// If the page_cache_fastpath is set to TRUE in settings.php and
// page_cache_fastpath (implemented in the special implementation of
// cache.inc) printed the page and indicated this with a returned TRUE
// then we are done.
if (variable_get('page_cache_fastpath', FALSE) && page_cache_fastpath()) {
exit;
}
break;
case DRUPAL_BOOTSTRAP_DATABASE:
// 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';
// Register autoload functions so that we can access classes and interfaces.
spl_autoload_register('drupal_autoload_class');
spl_autoload_register('drupal_autoload_interface');
break;
case DRUPAL_BOOTSTRAP_ACCESS:
// Deny access to blocked IP addresses - t() is not yet available.
if (drupal_is_denied(ip_address())) {
header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
print 'Sorry, ' . check_plain(ip_address()) . ' has been banned.';
exit();
}
break;
case DRUPAL_BOOTSTRAP_SESSION:
require_once DRUPAL_ROOT . '/' . variable_get('session_inc', 'includes/session.inc');
session_set_save_handler('_sess_open', '_sess_close', '_sess_read', '_sess_write', '_sess_destroy_sid', '_sess_gc');
session_start();
break;
case DRUPAL_BOOTSTRAP_VARIABLES:
// Initialize configuration variables, using values from settings.php if available.
$conf = variable_init(isset($conf) ? $conf : array());
break;
case DRUPAL_BOOTSTRAP_LATE_PAGE_CACHE:
$cache_mode = variable_get('cache', CACHE_DISABLED);
// Get the page from the cache.
$cache = $cache_mode == CACHE_DISABLED ? '' : page_get_cache();
// If the skipping of the bootstrap hooks is not enforced, call hook_boot.
if (!$cache || $cache_mode != CACHE_AGGRESSIVE) {
// Load module handling.
require_once DRUPAL_ROOT . '/includes/module.inc';
module_invoke_all('boot');
}
// If there is a cached page, display it.
if ($cache) {
drupal_page_cache_header($cache);
// If the skipping of the bootstrap hooks is not enforced, call hook_exit.
if ($cache_mode != CACHE_AGGRESSIVE) {
module_invoke_all('exit');
}
// We are done.
exit;
}
// Prepare for non-cached page workflow.
drupal_page_header();
break;
case DRUPAL_BOOTSTRAP_LANGUAGE:
drupal_init_language();
break;
case DRUPAL_BOOTSTRAP_PATH:
require_once DRUPAL_ROOT . '/includes/path.inc';
// Initialize $_GET['q'] prior to loading modules and invoking hook_init().
drupal_init_path();
break;
case DRUPAL_BOOTSTRAP_FULL:
require_once DRUPAL_ROOT . '/includes/common.inc';
_drupal_bootstrap_full();
break;
}
}