From dd5690916b8acb952669914c0e7dfc3ebf0842c2 Mon Sep 17 00:00:00 2001
From: cash <cash.costello@gmail.com>
Date: Wed, 25 Jan 2012 19:19:27 -0500
Subject: caching language data

---
 engine/lib/cache.php         |  6 ++++++
 engine/lib/configuration.php |  2 ++
 engine/lib/elgglib.php       |  7 ++++---
 engine/lib/languages.php     | 26 +++++++++++++++++++++++++-
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/engine/lib/cache.php b/engine/lib/cache.php
index 633c470eb..c7e0ae31c 100644
--- a/engine/lib/cache.php
+++ b/engine/lib/cache.php
@@ -455,6 +455,12 @@ function _elgg_cache_init() {
 			elgg_save_system_cache($type, serialize($CONFIG->$var_name));
 		}
 	}
+
+	if ($CONFIG->system_cache_enabled && !$CONFIG->i18n_loaded_from_cache) {
+		foreach ($CONFIG->translations as $lang => $map) {
+			elgg_save_system_cache("$lang.php", serialize($map));
+		}
+	}
 }
 
 elgg_register_event_handler('ready', 'system', '_elgg_cache_init');
diff --git a/engine/lib/configuration.php b/engine/lib/configuration.php
index 7f787331f..998cd1943 100644
--- a/engine/lib/configuration.php
+++ b/engine/lib/configuration.php
@@ -614,6 +614,8 @@ function _elgg_load_application_config() {
 	$lastcached = datalist_get("simplecache_lastcached_$viewtype");
 	$CONFIG->lastcache = $lastcached;
 
+	$CONFIG->i18n_loaded_from_cache = false;
+
 	// this must be synced with the enum for the entities table
 	$CONFIG->entity_types = array('group', 'object', 'site', 'user');
 }
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index aba84bd48..11bdc7285 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -2062,7 +2062,8 @@ function elgg_walled_garden() {
  * 2. connects to database
  * 3. verifies the installation suceeded
  * 4. loads application configuration
- * 5. loads site configuration
+ * 5. loads i18n data
+ * 6. loads site configuration
  *
  * @access private
  */
@@ -2071,14 +2072,14 @@ function _elgg_engine_boot() {
 	set_error_handler('_elgg_php_error_handler');
 	set_exception_handler('_elgg_php_exception_handler');
 
-	register_translations(dirname(dirname(dirname(__FILE__))) . "/languages/");
-
 	setup_db_connections();
 
 	verify_installation();
 
 	_elgg_load_application_config();
 
+	register_translations(dirname(dirname(dirname(__FILE__))) . "/languages/");
+
 	_elgg_load_site_config();
 
 	_elgg_load_cache();
diff --git a/engine/lib/languages.php b/engine/lib/languages.php
index 80c789ced..4dc094109 100644
--- a/engine/lib/languages.php
+++ b/engine/lib/languages.php
@@ -155,7 +155,6 @@ function register_translations($path, $load_all = false) {
 
 	// Get the current language based on site defaults and user preference
 	$current_language = get_current_language();
-	elgg_log("Translations loaded from: $path");
 
 	// only load these files unless $load_all is true.
 	$load_language_files = array(
@@ -165,6 +164,29 @@ function register_translations($path, $load_all = false) {
 
 	$load_language_files = array_unique($load_language_files);
 
+	if ($CONFIG->system_cache_enabled && !$load_all) {
+		// load language files from cache
+		$data = array();
+		$loaded = true;
+		foreach ($load_language_files as $lang_file) {
+			$lang = substr($lang_file, 0, strpos($lang_file, '.'));
+			$data[$lang] = elgg_load_system_cache($lang_file);
+			if (!$data[$lang]) {
+				$loaded = false;
+				break;
+			}
+		}
+
+		if ($loaded) {
+			foreach ($data as $lang => $map) {
+				add_translation($lang, unserialize($map));
+			}
+
+			$CONFIG->i18n_loaded_from_cache = true;
+			return true;
+		}
+	}
+
 	$handle = opendir($path);
 	if (!$handle) {
 		elgg_log("Could not open language path: $path", 'ERROR');
@@ -186,6 +208,8 @@ function register_translations($path, $load_all = false) {
 		}
 	}
 
+	elgg_log("Translations loaded from: $path");
+
 	return $return;
 }
 
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