diff options
Diffstat (limited to 'engine/start.php')
| -rw-r--r-- | engine/start.php | 111 |
1 files changed, 33 insertions, 78 deletions
diff --git a/engine/start.php b/engine/start.php index 00bdc3197..5f4bded45 100644 --- a/engine/start.php +++ b/engine/start.php @@ -1,12 +1,12 @@ <?php /** - * Bootstraps and starts the Elgg engine. + * Bootstraps the Elgg engine. * * This file loads the full Elgg engine, checks the installation - * state, then emits a series of events to finish booting Elgg: + * state, and triggers a series of events to finish booting Elgg: * - {@elgg_event boot system} - * - {@elgg_event plugins_boot system} * - {@elgg_event init system} + * - {@elgg_event ready system} * * If Elgg is fully uninstalled, the browser will be redirected to an * installation page. @@ -36,13 +36,12 @@ $START_MICROTIME = microtime(true); * Configuration values. * * The $CONFIG global contains configuration values required - * for running Elgg as defined in the settings.php file. The following - * array keys are defined by core Elgg: + * for running Elgg as defined in the settings.php file. * - * Plugin authors are encouraged to use get_config() instead of accessing the - * global directly. + * Plugin authors are encouraged to use elgg_get_config() instead of accessing + * the global directly. * - * @see get_config() + * @see elgg_get_config() * @see engine/settings.php * @global stdClass $CONFIG */ @@ -50,59 +49,39 @@ global $CONFIG; if (!isset($CONFIG)) { $CONFIG = new stdClass; } +$CONFIG->boot_complete = false; $lib_dir = dirname(__FILE__) . '/lib/'; -/** - * The minimum required libs to bootstrap an Elgg installation. - * - * @var array - */ -$required_files = array( - 'elgglib.php', 'views.php', 'access.php', 'system_log.php', 'export.php', - 'sessions.php', 'languages.php', 'pageowner.php', 'input.php', 'cache.php', - 'output.php' -); - -// include bootstraping libs -foreach ($required_files as $file) { - $path = $lib_dir . $file; - if (!include($path)) { - echo "Could not load file '$path'. " - . 'Please check your Elgg installation for all required files.'; - exit; - } +// Load the bootstrapping library +$path = $lib_dir . 'elgglib.php'; +if (!include_once($path)) { + echo "Could not load file '$path'. Please check your Elgg installation for all required files."; + exit; } -// Register the error handler -set_error_handler('_elgg_php_error_handler'); -set_exception_handler('_elgg_php_exception_handler'); - -/** - * Load the system settings - */ +// Load the system settings if (!include_once(dirname(__FILE__) . "/settings.php")) { - $msg = elgg_echo('InstallationException:CannotLoadSettings'); + $msg = 'Elgg could not load the settings file. It does not exist or there is a file permissions issue.'; throw new InstallationException($msg); } // load the rest of the library files from engine/lib/ $lib_files = array( - // these need to be loaded first. - 'database.php', 'actions.php', - - 'admin.php', 'annotations.php', 'calendar.php', - 'configuration.php', 'cron.php', 'entities.php', 'export.php', - 'extender.php', 'filestore.php', 'group.php', - 'location.php', 'mb_wrapper.php', 'memcache.php', 'metadata.php', - 'metastrings.php', 'navigation.php', 'notification.php', 'objects.php', - 'opendd.php', 'pagehandler.php', 'pam.php', 'plugins.php', - 'private_settings.php', 'relationships.php', 'river.php', 'sites.php', - 'statistics.php', 'tags.php', 'user_settings.php', 'users.php', - 'upgrade.php', 'web_services.php', 'widgets.php', 'xml.php', 'xml-rpc.php', + 'access.php', 'actions.php', 'admin.php', 'annotations.php', 'cache.php', + 'calendar.php', 'configuration.php', 'cron.php', 'database.php', + 'entities.php', 'export.php', 'extender.php', 'filestore.php', 'group.php', + 'input.php', 'languages.php', 'location.php', 'mb_wrapper.php', + 'memcache.php', 'metadata.php', 'metastrings.php', 'navigation.php', + 'notification.php', 'objects.php', 'opendd.php', 'output.php', + 'pagehandler.php', 'pageowner.php', 'pam.php', 'plugins.php', + 'private_settings.php', 'relationships.php', 'river.php', 'sessions.php', + 'sites.php', 'statistics.php', 'system_log.php', 'tags.php', + 'user_settings.php', 'users.php', 'upgrade.php', 'views.php', + 'web_services.php', 'widgets.php', 'xml.php', 'xml-rpc.php', - //backwards compatibility + // backward compatibility 'deprecated-1.7.php', 'deprecated-1.8.php', ); @@ -110,48 +89,24 @@ foreach ($lib_files as $file) { $file = $lib_dir . $file; elgg_log("Loading $file..."); if (!include_once($file)) { - $msg = sprintf(elgg_echo('InstallationException:MissingLibrary'), $file); + $msg = "Could not load $file"; throw new InstallationException($msg); } } -// connect to db -setup_db_connections(); - -// confirm that the installation completed successfully -verify_installation(); - -// Autodetect some default configuration settings -set_default_config(); - -// needs to be set for links in html head -$viewtype = get_input('view', 'default'); -$lastcached = datalist_get("simplecache_lastcached_$viewtype"); -$CONFIG->lastcache = $lastcached; - -// Trigger boot events for core. Plugins can't hook -// into this because they haven't been loaded yet. +// Connect to database, load language files, load configuration, init session +// Plugins can't use this event because they haven't been loaded yet. elgg_trigger_event('boot', 'system'); // Load the plugins that are active elgg_load_plugins(); +// @todo deprecate as plugins can use 'init', 'system' event elgg_trigger_event('plugins_boot', 'system'); -// Trigger system init event for plugins +// Complete the boot process for both engine and plugins elgg_trigger_event('init', 'system'); -// Regenerate the simple cache if expired. -// Don't do it on upgrade because upgrade does it itself. -// @todo - move into function and perhaps run off init system event -if (!defined('UPGRADING')) { - $lastupdate = datalist_get("simplecache_lastupdate_$viewtype"); - $lastcached = datalist_get("simplecache_lastcached_$viewtype"); - if ($lastupdate == 0 || $lastcached < $lastupdate) { - elgg_regenerate_simplecache($viewtype); - $lastcached = datalist_get("simplecache_lastcached_$viewtype"); - } - $CONFIG->lastcache = $lastcached; -} +$CONFIG->boot_complete = true; // System loaded and ready elgg_trigger_event('ready', 'system'); |