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-rw-r--r--engine/start.php111
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');