]> git.mxchange.org Git - mailer.git/blobdiff - inc/extensions.php
New function isDirectory() introduced, fixed GET_DIR_AS_ARRAY() (replaces scandir())
[mailer.git] / inc / extensions.php
index 7be85ad1113daf48cde1c61eb3015b9ff3659ddc..db279cffe9c2c3f5eff5b614d473f39759af26da 100644 (file)
  * -------------------------------------------------------------------- *
  * Kurzbeschreibung  : Erweiterungen-Management                         *
  * -------------------------------------------------------------------- *
- *                                                                      *
+ * $Revision:: 856                                                    $ *
+ * $Date::                                                            $ *
+ * $Tag:: 0.2.1-FINAL                                                 $ *
+ * $Author::                                                          $ *
+ * Needs to be in all Files and every File needs "svn propset           *
+ * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  * For more information visit: http://www.mxchange.org                  *
@@ -38,27 +43,26 @@ if (!defined('__SECURITY')) {
 }
 
 // Load the extension and maybe found language and function files.
-function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run = false, &$SQLs = array()) {
-       global $EXT_LOADED, $_CONFIG, $CSS, $cacheMode, $EXT_VER_HISTORY;
-       global $INC_POOL, $EXT_UPDATE_DEPENDS, $EXT_DEPRECATED, $UPDATE_NOTES;
-       global $EXT_VERSION, $EXT_ALWAYS_ACTIVE;
+function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run = false) {
+       global $INC_POOL;
 
        // Init array
        $INC_POOL = array();
 
        // Is the extension already loaded?
        //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "Loading extension {$ext_name}, mode={$EXT_LOAD_MODE}, ver={$EXT_VER}.");
-       if ((isset($EXT_LOADED['ext'][$ext_name])) && (empty($EXT_LOAD_MODE))) {
+       if ((isset($GLOBALS['ext_loaded']['ext'][$ext_name])) && (empty($EXT_LOAD_MODE))) {
                // Debug message
                DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Extension %s already loaded.", $ext_name));
                return false;
        } // END - if
 
-       // Construct FQFN for extension file
-       $extInclude = sprintf("%sinc/extensions/ext-%s.php", PATH, $ext_name);
+       // Construct include filename and FQFN for extension file
+       $INC = sprintf("inc/extensions/ext-%s.php", $ext_name);
+       $FQFN = constant('PATH') . $INC;
 
        // Is the extension file NOT there?
-       if (!FILE_READABLE($extInclude)) {
+       if (!INCLUDE_READABLE($INC)) {
                // Debug message
                DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Extension %s not found.", $ext_name));
 
@@ -67,45 +71,45 @@ function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run
        } // END - if
 
        // Construct FQFN for language file
-       $langInclude = sprintf("%sinc/language/%s_%s.php", PATH, $ext_name, GET_LANGUAGE());
+       $langInclude = sprintf("inc/language/%s_%s.php", $ext_name, GET_LANGUAGE());
 
        // Is this include there?
-       if ((FILE_READABLE($langInclude)) && (!isset($EXT_LOADED['lang'][$ext_name]))) {
+       if ((FILE_READABLE($langInclude)) && (!isset($GLOBALS['ext_loaded']['lang'][$ext_name]))) {
                // Then load it
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "--- Language loaded.");
-               $EXT_LOADED['lang'][$ext_name] = true;
-               require($langInclude);
+               $GLOBALS['ext_loaded']['lang'][$ext_name] = true;
+               LOAD_INC_ONCE($langInclude);
        } // END - if
 
        // Construct FQFN for functions file
-       $funcsInclude = sprintf("%sinc/libs/%s_functions.php", PATH, $ext_name);
+       $funcsInclude = sprintf("inc/libs/%s_functions.php", $ext_name);
 
        // Is this include there?
-       if ((FILE_READABLE($funcsInclude)) && (!isset($EXT_LOADED['funcs'][$ext_name]))) {
+       if ((FILE_READABLE($funcsInclude)) && (!isset($GLOBALS['ext_loaded']['funcs'][$ext_name]))) {
                // Then load it
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "--- Functions loaded.");
-               $EXT_LOADED['funcs'][$ext_name] = true;
-               require($funcsInclude);
+               $GLOBALS['ext_loaded']['funcs'][$ext_name] = true;
+               LOAD_INC_ONCE($funcsInclude);
        } // END - if
 
        // Extensions are not deprecated by default
-       $EXT_DEPRECATED = "N";
+       EXT_SET_DEPRECATED("N");
 
        // Extensions are not always active by default
-       $EXT_ALWAYS_ACTIVE = "N";
+       EXT_SET_ALWAYS_ACTIVE("N");
 
        // By default an extension update does not depend on other extensions
-       $EXT_UPDATE_DEPENDS = "";
+       EXT_SET_UPDATE_DEPENDS("");
 
        // Extension update notes
-       $UPDATE_NOTES = "";
+       EXT_SET_UPDATE_NOTES("");
 
        // Include the extension file
        //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "Extension loaded.");
-       require($extInclude);
+       require($FQFN);
 
        // Is this extension deprecated?
-       if ($EXT_DEPRECATED == "Y") {
+       if (EXT_GET_DEPRECATED() == "Y") {
                // Deactivate the extension
                DEACTIVATE_EXTENSION($ext_name);
 
@@ -116,7 +120,7 @@ function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run
        // Mark it as loaded in normal mode
        if (empty($EXT_LOAD_MODE)) {
                // Mark it now...
-               $EXT_LOADED['ext'][$ext_name] = true;
+               $GLOBALS['ext_loaded']['ext'][$ext_name] = true;
        } // END - if
 
        // All fine!
@@ -125,9 +129,8 @@ function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run
 
 // Registeres an extension and possible update depencies
 function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = true) {
-       global $UPDATE_NOTES, $INC_POOL, $cacheInstance;
-       global $EXT_VER_HISTORY, $NOTES, $EXT_ALWAYS_ACTIVE, $EXT_VERSION;
-       global $EXT_UPDATE_DEPENDS;
+       global $INC_POOL;
+       global $NOTES;
 
        // This shall never do a non-admin user!
        if (!IS_ADMIN()) return false;
@@ -135,37 +138,40 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
        // Is this extension already installed?
        if (EXT_IS_ACTIVE($ext_name)) return false;
 
+       // Init queries
+       INIT_SQLS();
+
        // Init variables
-       $ret = false; $SQLs = array();
+       $ret = false;
        $NOTES = "";
        $INC_POOL = array();
 
-       // By default we have no failtures
-       $EXT_REPORTS_FAILURE = false;
+       // By default we have no failures
+       EXT_SET_REPORTS_FAILURE(false);
 
        // Does this extension exists?
-       if (LOAD_EXTENSION($ext_name, "register", "", $dry_run, $SQLs)) {
+       if (LOAD_EXTENSION($ext_name, "register", "", $dry_run)) {
                // And run possible updates
-               $history = $EXT_VER_HISTORY;
+               $history = EXT_GET_VER_HISTORY();
                foreach ($history as $ver) {
                        //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "ext_name={$ext_name}, ext_ver={$ver}");
                        // Load extension in update mode
-                       LOAD_EXTENSION($ext_name, "update", $ver, $dry_run, $SQLs);
+                       LOAD_EXTENSION($ext_name, "update", $ver, $dry_run);
 
                        // Add update notes to our output
-                       $NOTES .= ADD_EXTENSION_NOTES($ver, $UPDATE_NOTES);
+                       $NOTES .= ADD_EXTENSION_NOTES($ver);
                } // END - foreach
 
                // Does this extension depends on an outstanding update of another update?
-               if (!empty($EXT_UPDATE_DEPENDS)) {
+               if (EXT_GET_UPDATE_DEPENDS() != "") {
                        // Backup SQL commands and clear current
-                       $SQLs2 = $SQLs;
-                       $SQLs  = array();
+                       $SQLs2 = GET_SQLS();
+                       INIT_SQLS();
                        $test  = false;
-                       $ext_update = $EXT_UPDATE_DEPENDS;
+                       $ext_update = EXT_GET_UPDATE_DEPENDS();
 
                        // Check for required file
-                       if (LOAD_EXTENSION($ext_update, "register", "", $dry_run, $SQLs)) {
+                       if (LOAD_EXTENSION($ext_update, "register", "", $dry_run)) {
                                // If versions mismatch update extension first
                                $ext_ver = GET_EXT_VERSION($ext_update);
 
@@ -179,7 +185,7 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
                                                // Try to register the extension
                                                $test = EXTENSION_REGISTER($ext_update, $task, $dry_run, false);
                                        } // END - if
-                               } elseif ($ext_ver != $EXT_VERSION) {
+                               } elseif ($ext_ver != EXT_GET_VERSION()) {
                                        // Ok, update this extension now
                                        EXTENSION_UPDATE($ext_update, $ext_ver, $dry_run);
 
@@ -196,7 +202,7 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
                        }
 
                        // Finally restore previous SQLs
-                       $SQLs = $SQLs2; unset($SQLs2);
+                       SET_SQLS($SQLs2); unset($SQLs2);
                } else {
                        // Does not depend on an other extension
                        $test = true;
@@ -205,37 +211,37 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
                // Switch back to register mode
                $EXT_LOAD_MODE = "register";
 
-               // Remains true if extension registration reports no failtures
-               $test = ($test && !$EXT_REPORTS_FAILURE);
+               // Remains true if extension registration reports no failures
+               $test = (($test === true) && (EXT_GET_REPORTS_FAILURE() === false));
 
                // Does everthing before wents ok?
                if ($test) {
                        // "Dry-run-mode" activated?
                        if (!$dry_run) {
                                // Run installation pre-installation filters
-                               RUN_FILTER('pre_extension_installed', array('dry_run' => $dry_run, 'sqls' => $SQLs));
+                               runFilterChain('pre_extension_installed', array('dry_run' => $dry_run));
 
                                // Register extension
-                               SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_extensions (ext_name, ext_active, ext_version) VALUES ('%s','%s','%s')",
-                                       array($ext_name, $EXT_ALWAYS_ACTIVE, $EXT_VERSION), __FILE__, __LINE__);
+                               SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_extensions` (ext_name, ext_active, ext_version) VALUES ('%s','%s','%s')",
+                                       array($ext_name, EXT_GET_ALWAYS_ACTIVE(), EXT_GET_VERSION()), __FILE__, __LINE__);
 
                                // Remove cache file(s) if extension is active
-                               RUN_FILTER('post_extension_installed', array('ext_name' => $ext_name, 'task_id' => $task_id, 'inc_pool' => $INC_POOL));
+                               runFilterChain('post_extension_installed', array('ext_name' => $ext_name, 'task_id' => $task_id, 'inc_pool' => $INC_POOL));
 
                                // In normal mode return a true on success
                                $ret = true;
                        } else {
                                // Rewrite SQL command to keep { and } inside
-                               foreach ($SQLs as $key => $sql) {
+                               foreach (GET_SQLS() as $key => $sql) {
                                        $sql = str_replace('{', "{", str_replace('}', "}", $sql));
-                                       $SQLs[$key] = $sql;
+                                       SET_SQL_KEY($key, $sql);
                                } // END - foreach
 
                                // In  "dry-run" mode return array with all SQL commands
-                               $ret = $SQLs;
+                               $ret = GET_SQLS();
 
                                // Remove all SQL commands
-                               unset($SQLs);
+                               UNSET_SQLS();
                        }
                } else {
                        // No, an error occurs while registering extension :-(
@@ -243,7 +249,7 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
                }
        } elseif (($task_id > 0) && (!empty($ext_name))) {
                // Remove task from system when id and extension's name is valid
-               SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_task_system WHERE id=%s AND status='NEW' LIMIT 1",
+               SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_task_system` WHERE id=%s AND `status`='NEW' LIMIT 1",
                        array(bigintval($task_id)), __FILE__, __LINE__);
        }
 
@@ -251,9 +257,9 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
        //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":{$ext_name}/{$EXT_LOAD_MODE}");
        if (($ext_name == "sql_patches") && (($EXT_LOAD_MODE == "register") || ($EXT_LOAD_MODE == "remove")) && (!$dry_run) && ($test)) {
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": LOAD!");
-               if ($logout) {
+               if ($logout === true) {
                        // Then redirect to logout
-                       LOAD_URL("modules.php?module=admin&logout=1&".$EXT_LOAD_MODE."=sql_patches");
+                       LOAD_URL("modules.php?module=admin&logout=1&".$EXT_LOAD_MODE."=sql_patches");
                } else {
                        // Add temporary filter
                        REGISTER_FILTER('shutdown', 'REDIRECT_TO_LOGOUT_SQL_PATCHES', true, true);
@@ -268,13 +274,11 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
 // Run SQL queries for given extension id
 // @TODO Change from ext_id to ext_name (not just even the variable! ;-) )
 function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
-       global $cacheInstance;
-
        // This shall never do a non-admin user!
        if (!IS_ADMIN()) return false;
 
        // Init array
-       $SQLs = array();
+       INIT_SQLS();
 
        // By default no SQL has been executed
        $sqlRan = false;
@@ -286,17 +290,17 @@ function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
 
        // Load extension in detected mode
        //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":ext_name[{$ext_id}]={$ext_name}");
-       LOAD_EXTENSION($ext_name, $load_mode, "", false, $SQLs);
+       LOAD_EXTENSION($ext_name, $load_mode, "", false);
 
-       //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":SQLs::count=".count($SQLs)."");
-       if ((is_array($SQLs) && (sizeof($SQLs) > 0))) {
+       //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":SQLs::count=".COUNT_SQLS()."");
+       if ((IS_SQLS_VALID() && (COUNT_SQLS() > 0))) {
                // Run SQL commands...
-               RUN_FILTER('run_sqls', array('dry_run' => false, 'sqls' => $SQLs));
+               runFilterChain('run_sqls');
 
                // Removal mode?
                if ($load_mode == "remove") {
                        // Delete this extension (remember to remove it from your server *before* you click on welcome!
-                       SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
+                       SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
                                array($ext_name), __FILE__, __LINE__);
                } // END - if
        } // END - if
@@ -304,7 +308,7 @@ function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
        // Remove cache file(s) if extension is active
        if (((EXT_IS_ACTIVE("cache")) || (GET_EXT_VERSION("cache") != "")) && (((SQL_AFFECTEDROWS() == 1)) || ($sqlRan === true) || ($load_mode == "activate") || ($load_mode == "deactivate"))) {
                // Run filters
-               RUN_FILTER('post_extension_run_sql', $ext_name);
+               runFilterChain('post_extension_run_sql', $ext_name);
        } // END - if
 
        // Is this the sql_patches?
@@ -312,32 +316,33 @@ function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
        if (($ext_name == "sql_patches") && (($load_mode == "register") || ($load_mode == "remove"))) {
                // Then redirect to logout
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": LOAD!");
-               LOAD_URL("modules.php?module=admin&logout=1&".$load_mode."=sql_patches");
+               LOAD_URL("modules.php?module=admin&logout=1&".$load_mode."=sql_patches");
        } // END - if
 }
 
 // Check if given extension is active
 function EXT_IS_ACTIVE ($ext_name) {
-       global $cacheArray;
-
        // Extensions are all inactive during installation
-       if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isBooleanConstantAndTrue('mxchange_installing')) || (empty($ext_name))) return false;
+       if ((!isInstalled()) || (isInstalling()) || (empty($ext_name))) return false;
 
        // Not active is the default
        $active = "N";
 
        // Check cache
-       if (isset($cacheArray['extensions']['ext_active'][$ext_name])) {
+       if (isset($GLOBALS['cache_array']['extensions']['ext_active'][$ext_name])) {
                // Load from cache
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "CACHE! ext_name={$ext_name}");
-               $active = $cacheArray['extensions']['ext_active'][$ext_name];
+               $active = $GLOBALS['cache_array']['extensions']['ext_active'][$ext_name];
 
                // Count cache hits
                incrementConfigEntry('cache_hits');
+       } elseif (isset($GLOBALS['ext_loaded'][$ext_name])) {
+               // Extension is loaded!
+               die("LOADED:$ext_name");
        } elseif (($ext_name == "cache") || (GET_EXT_VERSION("cache") == "")) {
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "DB! ext_name={$ext_name}");
                // Load from database
-               $result = SQL_QUERY_ESC("SELECT ext_active FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
+               $result = SQL_QUERY_ESC("SELECT ext_active FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
                        array($ext_name), __FILE__, __LINE__);
 
                // Entry found?
@@ -351,11 +356,11 @@ function EXT_IS_ACTIVE ($ext_name) {
 
                // Write cache array
                //* DEBUG: */ echo $ext_name."[DB]: {$active}");
-               $cacheArray['extensions']['ext_active'][$ext_name] = $active;
+               $GLOBALS['cache_array']['extensions']['ext_active'][$ext_name] = $active;
        } else {
                // Extension not active!
                //* DEBUG: */ echo $ext_name.": Not active!");
-               $cacheArray['extensions']['ext_active'][$ext_name] = "N";
+               $GLOBALS['cache_array']['extensions']['ext_active'][$ext_name] = "N";
        }
 
        // Debug message
@@ -366,25 +371,26 @@ function EXT_IS_ACTIVE ($ext_name) {
 }
 // Get version from extensions
 function GET_EXT_VERSION ($ext_name) {
-       global $cacheArray, $cacheInstance;
+       // By default no extension is found
        $ext_ver = false;
 
        // Extensions are all inactive during installation
-       if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isBooleanConstantAndTrue('mxchange_installing'))) return "";
+       if ((!isInstalled()) || (isInstalling())) return "";
        //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": ext_name={$ext_name}");
 
        // Is the cache written?
-       if (isset($cacheArray['extensions']['ext_version'][$ext_name])) {
+       if (isset($GLOBALS['cache_array']['extensions']['ext_version'][$ext_name])) {
                // Load data from cache
                //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": CACHE!");
-               $ext_ver = $cacheArray['extensions']['ext_version'][$ext_name];
+               $ext_ver = $GLOBALS['cache_array']['extensions']['ext_version'][$ext_name];
 
                // Count cache hits
                incrementConfigEntry('cache_hits');
-       } elseif (!is_object($cacheInstance)) {
+       } elseif (!isCacheInstanceValid()) {
                // Load from database
-               $result = SQL_QUERY_ESC("SELECT ext_version FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
+               $result = SQL_QUERY_ESC("SELECT ext_version FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
                        array($ext_name), __FILE__, __LINE__);
+               //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": DB - ".SQL_NUMROWS($result)."");
 
                // Is the extension there?
                if (SQL_NUMROWS($result) == 1) {
@@ -396,7 +402,7 @@ function GET_EXT_VERSION ($ext_name) {
                SQL_FREERESULT($result);
 
                // Set cache
-               $cacheArray['extensions']['ext_version'][$ext_name] = $ext_ver;
+               $GLOBALS['cache_array']['extensions']['ext_version'][$ext_name] = $ext_ver;
        }
 
        // Return result
@@ -407,11 +413,12 @@ function GET_EXT_VERSION ($ext_name) {
 // Updates a given extension with current extension version to latest version
 function EXTENSION_UPDATE ($ext_name, $ext_ver, $dry_run = false) {
        // This shall never do a non-admin user!
-       global $cacheInstance, $UPDATE_NOTES, $NOTES, $EXT_VER_HISTORY;
-       global $EXT_UPDATE_DEPENDS, $EXT_VERSION, $INC_POOL, $cacheArray, $SQLs;
+       global $NOTES;
+       global $INC_POOL;
 
        // Init arrays
-       $SQLs = array(); $INC_POOL = array();
+       INIT_SQLS();
+       $INC_POOL = array();
 
        // Init notes
        $NOTES = "";
@@ -420,89 +427,90 @@ function EXTENSION_UPDATE ($ext_name, $ext_ver, $dry_run = false) {
        if ((!IS_ADMIN()) || (empty($ext_name))) return false;
 
        // Load extension in test mode
-       LOAD_EXTENSION($ext_name, "test", $ext_ver, $dry_run, $SQLs);
+       LOAD_EXTENSION($ext_name, "test", $ext_ver, $dry_run);
 
        // Save version history
-       $history = $EXT_VER_HISTORY;
+       $history = EXT_GET_VER_HISTORY();
 
        // Remove old SQLs array to prevent possible bugs
-       $SQLs = array();
+       INIT_SQLS();
 
        // Check if version is updated
-       if ((($EXT_VERSION != $ext_ver) || ($dry_run)) && (is_array($history))) {
+       if (((EXT_GET_VERSION() != $ext_ver) || ($dry_run)) && (is_array($history))) {
                // Search for starting point
                $start = array_search($ext_ver, $history);
 
                // And load SQL queries in order of version history
-               for ($idx = ($start + 1); $idx < sizeof($history); $idx++) {
+               for ($idx = ($start + 1); $idx < count($history); $idx++) {
                        // Set extension version
-                       $cacheArray['update_ver'][$ext_name] = $history[$idx];
+                       $GLOBALS['cache_array']['update_ver'][$ext_name] = $history[$idx];
 
                        // Load again...
-                       LOAD_EXTENSION($ext_name, "update", $cacheArray['update_ver'][$ext_name], $dry_run, $SQLs);
+                       LOAD_EXTENSION($ext_name, "update", $GLOBALS['cache_array']['update_ver'][$ext_name], $dry_run);
 
-                       if (!empty($EXT_UPDATE_DEPENDS)) {
+                       if (EXT_GET_UPDATE_DEPENDS() != "") {
                                // Backup current SQL queries
-                               $cacheArray['update_sqls'][$ext_name] = $SQLs;
+                               $GLOBALS['cache_array']['update_sqls'][$ext_name] = GET_SQLS();
 
                                // Is the extension there?
-                               if (GET_EXT_VERSION($EXT_UPDATE_DEPENDS) != "") {
+                               if (GET_EXT_VERSION(EXT_GET_UPDATE_DEPENDS()) != "") {
                                        // Update another extension first!
-                                       $test = EXTENSION_UPDATE($EXT_UPDATE_DEPENDS, GET_EXT_VERSION($EXT_UPDATE_DEPENDS), $dry_run);
+                                       $test = EXTENSION_UPDATE(EXT_GET_UPDATE_DEPENDS(), GET_EXT_VERSION(EXT_GET_UPDATE_DEPENDS()), $dry_run);
                                } else {
                                        // Register new extension
-                                       $test = EXTENSION_REGISTER($EXT_UPDATE_DEPENDS, 0, $dry_run, false);
+                                       $test = EXTENSION_REGISTER(EXT_GET_UPDATE_DEPENDS(), 0, $dry_run, false);
                                }
 
                                // Restore previous SQL queries
-                               $SQLs = $cacheArray['update_sqls'][$ext_name];
-                               unset($cacheArray['update_sqls'][$ext_name]);
+                               SET_SQLS($GLOBALS['cache_array']['update_sqls'][$ext_name]);
+                               unset($GLOBALS['cache_array']['update_sqls'][$ext_name]);
                        } // END - if
 
                        // Add notes
-                       $NOTES .= ADD_EXTENSION_NOTES($cacheArray['update_ver'][$ext_name], $UPDATE_NOTES);
+                       $NOTES .= ADD_EXTENSION_NOTES($GLOBALS['cache_array']['update_ver'][$ext_name]);
                } // END - for
 
                // In real-mode execute any existing includes
                if (!$dry_run) {
-                       $cacheArray['inc_pool'][$ext_name] = $INC_POOL;
-                       RUN_FILTER('load_includes', $INC_POOL);
-                       $INC_POOL = $cacheArray['inc_pool'][$ext_name];
-                       unset($cacheArray['inc_pool'][$ext_name]);
+                       $GLOBALS['cache_array']['inc_pool'][$ext_name] = $INC_POOL;
+                       runFilterChain('load_includes', $INC_POOL);
+                       $INC_POOL = $GLOBALS['cache_array']['inc_pool'][$ext_name];
+                       unset($GLOBALS['cache_array']['inc_pool'][$ext_name]);
                } // END - if
 
                // Run SQLs
-               RUN_FILTER('run_sqls', array('dry_run' => $dry_run, 'sqls' => $SQLs));
+               runFilterChain('run_sqls', array('dry_run' => $dry_run));
 
                if (!$dry_run) {
                        // Create task
-                       CREATE_EXTENSION_UPDATE_TASK(GET_CURRENT_ADMIN_ID(), $ext_name, $cacheArray['update_ver'][$ext_name], addslashes($NOTES));
+                       CREATE_EXTENSION_UPDATE_TASK(GET_CURRENT_ADMIN_ID(), $ext_name, $GLOBALS['cache_array']['update_ver'][$ext_name], SQL_ESCAPE($NOTES));
 
                        // Update extension's version
-                       SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_extensions SET ext_version='%s' WHERE ext_name='%s' LIMIT 1",
-                               array($cacheArray['update_ver'][$ext_name], $ext_name), __FILE__, __LINE__);
+                       SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_version='%s' WHERE ext_name='%s' LIMIT 1",
+                               array($GLOBALS['cache_array']['update_ver'][$ext_name], $ext_name), __FILE__, __LINE__);
 
                        // Remove arrays
-                       unset($SQLs);
-                       unset($cacheArray['update_ver'][$ext_name]);
+                       UNSET_SQLS();
+                       unset($GLOBALS['cache_array']['update_ver'][$ext_name]);
 
                        // Run filters on success extension update
-                       RUN_FILTER('extension_update', $ext_name);
-               } else {
-                       // In "dry-run" mode return array with SQL commands
-                       return $SQLs;
-               }
+                       runFilterChain('extension_update', $ext_name);
+               } // END - if
        } // END - if
 }
 
 // Output verbose SQL table for extension
-function EXTENSION_VERBOSE_TABLE ($queries = array(), $title = ADMIN_SQLS_EXECUTED_ON_REMOVAL, $dashed = "", $switch = false, $width = "100%") {
-       global $SQLs;
+function EXTENSION_VERBOSE_TABLE ($queries = array(), $title = "", $dashed = "", $switch = false, $width = "100%") {
+       // Empty title?
+       if (empty($title)) {
+               // Then fix it to default
+               $title = getMessage('ADMIN_SQLS_EXECUTED_ON_REMOVAL');
+       } // END - if
 
        // Are there some queries in $queries?
        if (count($queries) > 0) {
                // Then use them instead!
-               $SQLs = $queries;
+               SET_SQLS($queries);
        } // END - if
 
        // Init variables
@@ -510,8 +518,8 @@ function EXTENSION_VERBOSE_TABLE ($queries = array(), $title = ADMIN_SQLS_EXECUT
        $OUT = "";
 
        // Do we have queries?
-       if ((is_array($SQLs)) && (GET_EXT_VERSION("sql_patches") >= "0.0.7") && (getConfig('verbose_sql') == "Y")) {
-               foreach ($SQLs as $idx => $sql) {
+       if ((IS_SQLS_VALID()) && (GET_EXT_VERSION("sql_patches") >= "0.0.7") && (getConfig('verbose_sql') == "Y")) {
+               foreach (GET_SQLS() as $idx => $sql) {
                        // Trim out spaces
                        $sql = trim($sql);
 
@@ -545,7 +553,7 @@ function EXTENSION_VERBOSE_TABLE ($queries = array(), $title = ADMIN_SQLS_EXECUT
                $OUT = LOAD_TEMPLATE("admin_ext_sql_table", true, $content);
        } elseif ((GET_EXT_VERSION("sql_patches") >= "0.0.7") && (getConfig('verbose_sql') == "Y")) {
                // No addional SQL commands to run
-               $OUT = LOAD_TEMPLATE("admin_settings_saved", true, ADMIN_NO_ADDITIONAL_SQLS);
+               $OUT = LOAD_TEMPLATE("admin_settings_saved", true, getMessage('ADMIN_NO_ADDITIONAL_SQLS'));
        } // END - if
 
        // Return output
@@ -554,21 +562,19 @@ function EXTENSION_VERBOSE_TABLE ($queries = array(), $title = ADMIN_SQLS_EXECUT
 
 // Get extension name from id
 function GET_EXT_NAME ($ext_id) {
-       global $cacheArray;
-
        // Init extension name
        $ret = "";
 
        // Is cache there?
-       if (isset($cacheArray['extensions']['ext_name'][$ext_id])) {
+       if (isset($GLOBALS['cache_array']['extensions']['ext_name'][$ext_id])) {
                // Load from cache
-               $ret = $cacheArray['extensions']['ext_name'][$ext_id];
+               $ret = $GLOBALS['cache_array']['extensions']['ext_name'][$ext_id];
 
                // Count cache hits
                incrementConfigEntry('cache_hits');
        } elseif (!EXT_IS_ACTIVE("cache")) {
                // Load from database
-               $result = SQL_QUERY_ESC("SELECT ext_name FROM "._MYSQL_PREFIX."_extensions WHERE id=%s LIMIT 1",
+               $result = SQL_QUERY_ESC("SELECT ext_name FROM `{!_MYSQL_PREFIX!}_extensions` WHERE id=%s LIMIT 1",
                        array(bigintval($ext_id)), __FILE__, __LINE__);
                list($ret) = SQL_FETCHROW($result);
                SQL_FREERESULT($result);
@@ -578,19 +584,17 @@ function GET_EXT_NAME ($ext_id) {
 
 // Get extension id from name
 function GET_EXT_ID ($ext_name) {
-       global $cacheArray;
-
        // Init ID number
        $ret = 0;
-       if (isset($cacheArray['extensions']['ext_id'][$ext_name])) {
+       if (isset($GLOBALS['cache_array']['extensions']['ext_id'][$ext_name])) {
                // Load from cache
-               $ret = $cacheArray['extensions']['ext_id'][$ext_name];
+               $ret = $GLOBALS['cache_array']['extensions']['ext_id'][$ext_name];
 
                // Count cache hits
                incrementConfigEntry('cache_hits');
        } elseif (!EXT_IS_ACTIVE("cache")) {
                // Load from database
-               $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
+               $result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
                        array($ext_name), __FILE__, __LINE__);
                list($ret) = SQL_FETCHROW($result);
                SQL_FREERESULT($result);
@@ -603,7 +607,7 @@ function GET_EXT_ID ($ext_name) {
 // Activate given extension
 function ACTIVATE_EXTENSION ($ext_name) {
        // Activate the extension
-       SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_extensions SET ext_active='Y' WHERE ext_name='%s' LIMIT 1",
+       SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_active='Y' WHERE ext_name='%s' LIMIT 1",
                array($ext_name), __FILE__, __LINE__);
 
        // Extension has been activated?
@@ -616,7 +620,7 @@ function ACTIVATE_EXTENSION ($ext_name) {
 // Deactivate given extension
 function DEACTIVATE_EXTENSION($ext_name) {
        // Activate the extension
-       SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_extensions SET ext_active='N' WHERE ext_name='%s' LIMIT 1",
+       SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_active='N' WHERE ext_name='%s' LIMIT 1",
                array($ext_name), __FILE__, __LINE__);
 
        // Extension has been activated?
@@ -628,7 +632,11 @@ function DEACTIVATE_EXTENSION($ext_name) {
                CREATE_EXTENSION_DEACTIVATION_TASK($ext_name);
 
                // Notify the admin
-               SEND_ADMIN_NOTIFICATION(ADMIN_SUBJECT_EXTENSION_DEACTIVATED, "admin_ext_deactivated", array('ext_name' => $ext_name));
+               SEND_ADMIN_NOTIFICATION(
+                       getMessage('ADMIN_SUBJECT_EXTENSION_DEACTIVATED'),
+                       "admin_ext_deactivated",
+                       array('ext_name' => $ext_name)
+               );
        } // END - if
 }
 
@@ -648,14 +656,14 @@ function EXT_VERSION_IS_OLDER ($ext_name, $ext_ver) {
 // Creates a new task for updated extension
 function CREATE_EXTENSION_UPDATE_TASK ($admin_id, $ext_name, $ext_ver, $notes) {
        // Create subject line
-       $subject = "[UPDATE-".$ext_name."-".$ext_ver.":] ".ADMIN_UPDATE_EXT_SUBJ;
+       $subject = "[UPDATE-".$ext_name."-".$ext_ver.":] {--ADMIN_UPDATE_EXT_SUBJ--}";
 
        // Is the extension there?
        if (GET_EXT_VERSION($ext_name) != "") {
                // Check if task is not there
                if (DETERMINE_TASK_ID_BY_SUBJECT($subject) == 0) {
                        // Task not created so it's a brand-new extension which we need to register and create a task for!
-                       SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_task_system (assigned_admin, userid, status, task_type, subject, text, task_created) VALUES ('%s','0','NEW','EXTENSION_UPDATE','%s','%s', UNIX_TIMESTAMP())",
+                       SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (assigned_admin, userid, status, task_type, subject, text, task_created) VALUES ('%s','0','NEW','EXTENSION_UPDATE','%s','%s', UNIX_TIMESTAMP())",
                                array($admin_id, $subject, $notes), __FILE__, __LINE__);
                } // END - if
        } // END - if
@@ -667,7 +675,7 @@ function CREATE_NEW_EXTENSION_TASK ($admin_id, $subject, $ext) {
        if ((DETERMINE_TASK_ID_BY_SUBJECT($subject) == 0) && (GET_EXT_VERSION($ext) == "")) {
                // Template file
                $tpl = sprintf("%stemplates/%s/html/ext/ext_%s.tpl",
-                       PATH,
+                       constant('PATH'),
                        GET_LANGUAGE(),
                        $ext
                );
@@ -682,12 +690,12 @@ function CREATE_NEW_EXTENSION_TASK ($admin_id, $subject, $ext) {
                }
 
                // Task not created so it's a brand-new extension which we need to register and create a task for!
-               SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_task_system (assigned_admin, userid, status, task_type, subject, text, task_created)
+               SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (assigned_admin, userid, status, task_type, subject, text, task_created)
 VALUES (%s,0,'NEW','EXTENSION','%s','%s',UNIX_TIMESTAMP())",
                        array(
                                $admin_id,
                                $subject,
-                               addslashes($msg),
+                               SQL_ESCAPE($msg),
                        ),  __FILE__, __LINE__, true, false
                );
        } // END - if
@@ -696,16 +704,16 @@ VALUES (%s,0,'NEW','EXTENSION','%s','%s',UNIX_TIMESTAMP())",
 // Creates a task for automatically deactivated (deprecated) extension
 function CREATE_EXTENSION_DEACTIVATION_TASK ($ext) {
        // Create subject line
-       $subject = sprintf("[%s:] %s", $ext, TASK_SUBJ_EXTENSION_DEACTIVATED);
+       $subject = sprintf("[%s:] %s", $ext, getMessage('TASK_SUBJ_EXTENSION_DEACTIVATED'));
 
        // Not installed and do we have created a task for the admin?
        if ((DETERMINE_TASK_ID_BY_SUBJECT($subject) == 0) && (GET_EXT_VERSION($ext) != "")) {
                // Task not created so add it
-               SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_task_system (assigned_admin, userid, status, task_type, subject, text, task_created)
+               SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (assigned_admin, userid, status, task_type, subject, text, task_created)
 VALUES (0,0,'NEW','EXTENSION_DEACTIVATION','%s','%s',UNIX_TIMESTAMP())",
                        array(
                                $subject,
-                               addslashes(LOAD_TEMPLATE("task_ext_deactivated", true, $ext)),
+                               SQL_ESCAPE(LOAD_TEMPLATE("task_ext_deactivated", true, $ext)),
                        ),  __FILE__, __LINE__, true, false
                );
        } // END - if
@@ -713,20 +721,19 @@ VALUES (0,0,'NEW','EXTENSION_DEACTIVATION','%s','%s',UNIX_TIMESTAMP())",
 
 // Checks if the module has a menu
 function MODULE_HAS_MENU ($mod, $forceDb = false) {
-       global $cacheArray;
-
        // All is false by default
        $ret = false;
+
        //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):mod={$mod},cache=".GET_EXT_VERSION("cache")."<br />\n";
        if (GET_EXT_VERSION("cache") >= "0.1.2") {
                // Cache version is okay, so let's check the cache!
-               if (isset($cacheArray['modules']['has_menu'][$mod])) {
+               if (isset($GLOBALS['cache_array']['modules']['has_menu'][$mod])) {
                        // Check module cache and count hit
-                       $ret = ($cacheArray['modules']['has_menu'][$mod] == "Y");
+                       $ret = ($GLOBALS['cache_array']['modules']['has_menu'][$mod] == "Y");
                        incrementConfigEntry('cache_hits');
-               } elseif (isset($cacheArray['extensions']['ext_menu'][$mod])) {
+               } elseif (isset($GLOBALS['cache_array']['extensions']['ext_menu'][$mod])) {
                        // Check cache and count hit
-                       $ret = ($cacheArray['extensions']['ext_menu'][$mod] == "Y");
+                       $ret = ($GLOBALS['cache_array']['extensions']['ext_menu'][$mod] == "Y");
                        incrementConfigEntry('cache_hits');
                } elseif ((IS_ADMIN()) && ($mod == "admin")) {
                        // Admin module has always a menu!
@@ -734,7 +741,7 @@ function MODULE_HAS_MENU ($mod, $forceDb = false) {
                }
        } elseif ((GET_EXT_VERSION("sql_patches") >= "0.3.6") && ((!EXT_IS_ACTIVE("cache")) || ($forceDb === true))) {
                // Check database for entry
-               $result = SQL_QUERY_ESC("SELECT has_menu FROM "._MYSQL_PREFIX."_mod_reg WHERE module='%s' LIMIT 1",
+               $result = SQL_QUERY_ESC("SELECT has_menu FROM `{!_MYSQL_PREFIX!}_mod_reg` WHERE module='%s' LIMIT 1",
                        array($mod), __FILE__, __LINE__);
 
                // Entry found?
@@ -743,7 +750,7 @@ function MODULE_HAS_MENU ($mod, $forceDb = false) {
                        list($has_menu) = SQL_FETCHROW($result);
 
                        // Fake cache... ;-)
-                       $cacheArray['extensions']['ext_menu'][$mod] = $has_menu;
+                       $GLOBALS['cache_array']['extensions']['ext_menu'][$mod] = $has_menu;
 
                        // Does it have a menu?
                        $ret = ($has_menu == "Y");
@@ -752,8 +759,8 @@ function MODULE_HAS_MENU ($mod, $forceDb = false) {
                // Free memory
                SQL_FREERESULT($result);
        } elseif (GET_EXT_VERSION("sql_patches") == "") {
-               // No sql_patches installed, so maybe in admin area?
-               $ret = ((IS_ADMIN()) && ($mod == "admin")); // Then there is a menu!
+               // No sql_patches installed, so maybe in admin area or no admin registered?
+               $ret = (((IS_ADMIN()) || (!isAdminRegistered())) && ($mod == "admin")); // Then there is a menu!
        }
 
        // Return status
@@ -767,7 +774,7 @@ function DETERMINE_EXTENSION_TASK_ID ($ext_name) {
        $task_id = 0;
 
        // Search for extension task's id
-       $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_task_system WHERE task_type='EXTENSION' AND subject='[%s:]' LIMIT 1",
+       $result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_task_system` WHERE task_type='EXTENSION' AND subject='[%s:]' LIMIT 1",
                array($ext_name), __FILE__, __LINE__);
 
        // Entry found?
@@ -789,7 +796,7 @@ function DETERMINE_TASK_ID_BY_SUBJECT ($subject) {
        $task_id = 0;
 
        // Search for task id
-       $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_task_system WHERE subject LIKE '%s%%' LIMIT 1",
+       $result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_task_system` WHERE subject LIKE '%s%%' LIMIT 1",
                array($subject), __FILE__, __LINE__);
 
        // Entry found?
@@ -806,7 +813,7 @@ function DETERMINE_TASK_ID_BY_SUBJECT ($subject) {
 }
 
 // Add updates notes for given version
-function ADD_EXTENSION_NOTES ($ver, &$UPDATE_NOTES) {
+function ADD_EXTENSION_NOTES ($ver) {
        // Init notes/content
        $out = ""; $content = array();
 
@@ -814,24 +821,24 @@ function ADD_EXTENSION_NOTES ($ver, &$UPDATE_NOTES) {
        if ((getConfig('verbose_sql') == "Y") || (!EXT_IS_ACTIVE("sql_patches"))) {
 
                // Update notes found?
-               if (!empty($UPDATE_NOTES)) {
+               if (EXT_GET_UPDATE_NOTES() != "") {
                        // Update notes found
                        $content = array(
                                'ver'   => $ver,
-                               'notes' => $UPDATE_NOTES
+                               'notes' => EXT_GET_UPDATE_NOTES()
                        );
-                       $UPDATE_NOTES = "";
+                       EXT_SET_UPDATE_NOTES("");
                } elseif (($ver == "0.0") || ($ver == "0.0.0")) {
                        // Initial release
                        $content = array(
                                'ver'   => $ver,
-                               'notes' => INITIAL_RELEASE
+                               'notes' => getMessage('INITIAL_RELEASE')
                        );
                } else {
                        // No update notes found!
                        $content = array(
                                'ver'   => $ver,
-                               'notes' => NO_UPDATE_NOTES
+                               'notes' => getMessage('NO_UPDATE_NOTES')
                        );
                }
 
@@ -843,5 +850,108 @@ function ADD_EXTENSION_NOTES ($ver, &$UPDATE_NOTES) {
        return $out;
 }
 
+// Getter for CSS files array
+function EXT_GET_CSS_FILES () {
+       // By default no additional CSS files are found
+       $cssFiles = array();
+
+       // Is the array there?
+       if (isset($GLOBALS['css_files'])) {
+               // Then use it
+               $cssFiles = $GLOBALS['css_files'];
+       } // END - if
+
+       // Return array
+       return $cssFiles;
+}
+
+// Init CSS files array
+function EXT_INIT_CSS_FILES () {
+       // Simply init it
+       $GLOBALS['css_files'] = array();
+}
+
+// Add new entry
+function EXT_ADD_CSS_FILE ($file) {
+       // Is the array there?
+       if (!isset($GLOBALS['css_files'])) {
+               // Then auto-init them
+               EXT_INIT_CSS_FILES();
+       } // END - if
+
+       // Add the entry
+       $GLOBALS['css_files'][] = $file;
+}
+
+// Setter for EXT_ALWAYS_ACTIVE flag
+function EXT_SET_ALWAYS_ACTIVE ($active) {
+       $GLOBALS['ext_always_active'] = $active;
+}
+
+// Getter for EXT_ALWAYS_ACTIVE flag
+function EXT_GET_ALWAYS_ACTIVE () {
+       return $GLOBALS['ext_always_active'];
+}
+
+// Setter for EXT_VERSION flag
+function EXT_SET_VERSION ($version) {
+       $GLOBALS['ext_version'] = $version;
+}
+
+// Getter for EXT_VERSION flag
+function EXT_GET_VERSION () {
+       return $GLOBALS['ext_version'];
+}
+
+// Setter for EXT_DEPRECATED flag
+function EXT_SET_DEPRECATED ($deprecated) {
+       $GLOBALS['ext_deprecated'] = $deprecated;
+}
+
+// Getter for EXT_DEPRECATED flag
+function EXT_GET_DEPRECATED () {
+       return $GLOBALS['ext_deprecated'];
+}
+
+// Setter for EXT_UPDATE_DEPENDS flag
+function EXT_SET_UPDATE_DEPENDS ($updateDepends) {
+       $GLOBALS['ext_update_depends'] = $updateDepends;
+}
+
+// Getter for EXT_UPDATE_DEPENDS flag
+function EXT_GET_UPDATE_DEPENDS () {
+       return $GLOBALS['ext_update_depends'];
+}
+
+// Setter for EXT_REPORTS_FAILURE flag
+function EXT_SET_REPORTS_FAILURE ($reportsFailure) {
+       $GLOBALS['ext_reports_failure'] = $reportsFailure;
+}
+
+// Getter for EXT_REPORTS_FAILURE flag
+function EXT_GET_REPORTS_FAILURE () {
+       return $GLOBALS['ext_reports_failure'];
+}
+
+// Setter for EXT_VER_HISTORY flag
+function EXT_SET_VER_HISTORY ($verHistory) {
+       $GLOBALS['ext_ver_history'] = (array) $verHistory;
+}
+
+// Getter for EXT_VER_HISTORY flag
+function EXT_GET_VER_HISTORY () {
+       return $GLOBALS['ext_ver_history'];
+}
+
+// Setter for EXT_UPDATE_NOTES flag
+function EXT_SET_UPDATE_NOTES ($updateNotes) {
+       $GLOBALS['ext_update_notes'] = (array) $updateNotes;
+}
+
+// Getter for EXT_UPDATE_NOTES flag
+function EXT_GET_UPDATE_NOTES () {
+       return $GLOBALS['ext_update_notes'];
+}
+
 //
 ?>