X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fextensions.php;h=2ef4bb88fdbdf051f0961a29ed6e0db091a88073;hp=ab96062777e4f643825b7220644f893515452488;hb=5276fa133e34d55618febd593bc8145d35f09b39;hpb=b7aada7890a3c7d1c1da4d2b36d8d7683fa61c06

diff --git a/inc/extensions.php b/inc/extensions.php
index ab96062777..2ef4bb88fd 100644
--- a/inc/extensions.php
+++ b/inc/extensions.php
@@ -10,7 +10,12 @@
  * -------------------------------------------------------------------- *
  * Kurzbeschreibung  : Erweiterungen-Management                         *
  * -------------------------------------------------------------------- *
- *                                                                      *
+ * $Revision::                                                        $ *
+ * $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                  *
@@ -39,10 +44,17 @@ 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) {
-	global $INC_POOL;
+	// Set current extension name
+	EXT_SET_CURR_NAME($ext_name);
 
 	// Init array
-	$INC_POOL = array();
+	INIT_INC_POOL();
+
+	// Init EXT_UPDATE_DEPENDS
+	EXT_INIT_UPDATE_DEPENDS();
+
+	// Init current extension name list
+	INIT_EXT_SQLS();
 
 	// Is the extension already loaded?
 	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "Loading extension {$ext_name}, mode={$EXT_LOAD_MODE}, ver={$EXT_VER}.");
@@ -52,14 +64,12 @@ function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run
 		return false;
 	} // END - if
 
-	// Construct FQFN for extension file
-	$FQFN = sprintf("%sinc/extensions/ext-%s.php",
-		constant('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($FQFN)) {
+	if (!INCLUDE_READABLE($INC)) {
 		// Debug message
 		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Extension %s not found.", $ext_name));
 
@@ -95,9 +105,6 @@ function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run
 	// Extensions are not always active by default
 	EXT_SET_ALWAYS_ACTIVE("N");
 
-	// By default an extension update does not depend on other extensions
-	EXT_SET_UPDATE_DEPENDS("");
-
 	// Extension update notes
 	EXT_SET_UPDATE_NOTES("");
 
@@ -125,50 +132,87 @@ 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 $INC_POOL;
-	global $NOTES;
+function REGISTER_EXTENSION ($ext_name, $task_id, $dry_run = false, $logout = true) {
+	// Set current extension name
+	EXT_SET_CURR_NAME($ext_name);
 
-	// This shall never do a non-admin user!
-	if (!IS_ADMIN()) return false;
+	//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME()." - ENTERED!<br />\n";
+	// This shall never do a non-admin user or if the extension is active (already installed)
+	if ((!IS_ADMIN()) || (EXT_IS_ACTIVE($ext_name))) {
+		return false;
+	} // END - if
 
-	// Is this extension already installed?
-	if (EXT_IS_ACTIVE($ext_name)) return false;
+	// When this extension is already in install/update phase, all is fine
+	if (EXT_IS_REGISTER_RUNNING($ext_name)) {
+		// Then abort here which is fine
+		//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME()." - ALREADY!<br />\n";
+		return true;
+	} // END - if
 
-	// Init queries
-	INIT_SQLS();
+	// This registration is running
+	EXT_ADD_RUNNING_REGISTRATION($ext_name);
+
+	// Init EXT_UPDATE_DEPENDS
+	EXT_INIT_UPDATE_DEPENDS();
+
+	// Is the task id zero? Then we need to auto-fix it here
+	if ($task_id == 0) {
+		// Try to find the task
+		$task_id = DETERMINE_EXTENSION_TASK_ID(EXT_GET_CURR_NAME());
+
+		// Still zero and not in dry-run?
+		if (($task_id == 0) && (!$dry_run)) {
+			// Then request a bug report
+			debug_report_bug(sprintf("%s: task_id is still zero after DETERMINE_EXTENSION_TASK_ID(%s)",
+				__FUNCTION__,
+				EXT_GET_CURR_NAME()
+			));
+		} // END - if
+	} // END - if
+
+	// Init queries and notes
+	INIT_EXT_SQLS();
+	EXT_INIT_NOTES();
 
 	// Init variables
 	$ret = false;
-	$NOTES = "";
-	$INC_POOL = array();
+	$test = false;
+	INIT_INC_POOL();
 
 	// By default we have no failures
 	EXT_SET_REPORTS_FAILURE(false);
 
 	// Does this extension exists?
-	if (LOAD_EXTENSION($ext_name, "register", "", $dry_run)) {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME()."");
+	if (LOAD_EXTENSION(EXT_GET_CURR_NAME(), "register", "", $dry_run)) {
+		// Set current extension name again
+		EXT_SET_CURR_NAME($ext_name);
+
 		// And run possible updates
+		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "".EXT_GET_CURR_NAME());
 		$history = EXT_GET_VER_HISTORY();
 		foreach ($history as $ver) {
-			//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "ext_name={$ext_name}, ext_ver={$ver}");
+			//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "ext_name=".EXT_GET_CURR_NAME().", ext_ver={$ver}");
 			// Load extension in update mode
-			LOAD_EXTENSION($ext_name, "update", $ver, $dry_run);
+			LOAD_EXTENSION(EXT_GET_CURR_NAME(), "update", $ver, $dry_run);
 
 			// Add update notes to our output
-			$NOTES .= ADD_EXTENSION_NOTES($ver);
+			ADD_EXTENSION_NOTES($ver);
 		} // END - foreach
 
 		// Does this extension depends on an outstanding update of another update?
-		if (EXT_GET_UPDATE_DEPENDS() != "") {
-			// Backup SQL commands and clear current
-			$SQLs2 = GET_SQLS();
-			INIT_SQLS();
-			$test  = false;
-			$ext_update = EXT_GET_UPDATE_DEPENDS();
+		for ($dmy = EXT_GET_UPDATE_ITERATOR(); EXT_GET_UPDATE_ITERATOR() < EXT_COUNT_UPDATE_DEPENDS();) {
+			// Get next update
+			$ext_update = EXT_GET_ITERATOR_UPDATE_DEPENDS();
+
+			// Increment here to avoid endless loop
+			EXT_INCREMENT_UPDATE_INTERATOR();
 
 			// Check for required file
 			if (LOAD_EXTENSION($ext_update, "register", "", $dry_run)) {
+				// Set current extension name again
+				EXT_SET_CURR_NAME($ext_name);
+
 				// If versions mismatch update extension first
 				$ext_ver = GET_EXT_VERSION($ext_update);
 
@@ -180,7 +224,9 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
 					// Entry found?
 					if ($task > 0) {
 						// Try to register the extension
-						$test = EXTENSION_REGISTER($ext_update, $task, $dry_run, false);
+						//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME().":ext_update=".$ext_update.",taskId=".$task."<br />\n";
+						$test = REGISTER_EXTENSION($ext_update, $task, $dry_run, false);
+						//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME().":"; var_dump($test);
 					} // END - if
 				} elseif ($ext_ver != EXT_GET_VERSION()) {
 					// Ok, update this extension now
@@ -198,37 +244,54 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
 				// But this is fine for the first time...
 			}
 
-			// Finally restore previous SQLs
-			SET_SQLS($SQLs2); unset($SQLs2);
-		} else {
-			// Does not depend on an other extension
+			// Restore the current extension name
+			EXT_SET_CURR_NAME($ext_name);
+		} // END - for
+
+		// Is there no update?
+		if (EXT_COUNT_UPDATE_DEPENDS(EXT_GET_CURR_NAME()) == 0) {
+			// Then test is passed!
 			$test = true;
-		}
+		} // END - if
 
 		// Switch back to register mode
 		$EXT_LOAD_MODE = "register";
 
 		// Remains true if extension registration reports no failures
+		//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME().":"; var_dump($test);
 		$test = (($test === true) && (EXT_GET_REPORTS_FAILURE() === false));
+		//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME().":"; var_dump($test);
 
 		// Does everthing before wents ok?
-		if ($test) {
+		if ($test === true) {
 			// "Dry-run-mode" activated?
-			if (!$dry_run) {
+			if ((!$dry_run) && (!EXT_IS_ON_REMOVAL_LIST())) {
+				//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, " ext_name=".EXT_GET_CURR_NAME());
+				// Init SQLs and transfer ext->generic
+				INIT_SQLS();
+				SET_SQLS(GET_EXT_SQLS());
+
 				// Run installation pre-installation filters
 				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_GET_ALWAYS_ACTIVE(), EXT_GET_VERSION()), __FILE__, __LINE__);
+					array(EXT_GET_CURR_NAME(), EXT_GET_ALWAYS_ACTIVE(), EXT_GET_VERSION()), __FUNCTION__, __LINE__);
 
 				// Remove cache file(s) if extension is active
-				runFilterChain('post_extension_installed', array('ext_name' => $ext_name, 'task_id' => $task_id, 'inc_pool' => $INC_POOL));
+				runFilterChain('post_extension_installed', array('ext_name' => EXT_GET_CURR_NAME(), 'task_id' => $task_id));
+
+				// Remove all SQL commands
+				UNSET_SQLS();
 
 				// In normal mode return a true on success
 				$ret = true;
-			} else {
-				// Rewrite SQL command to keep { and } inside
+			} elseif ($dry_run) {
+				// Init SQLs and transfer ext->generic
+				INIT_SQLS();
+				SET_SQLS(GET_EXT_SQLS());
+
+				// Rewrite SQL command to keep { and } inside for dry-run
 				foreach (GET_SQLS() as $key => $sql) {
 					$sql = str_replace('{', "&#123;", str_replace('}', "&#125;", $sql));
 					SET_SQL_KEY($key, $sql);
@@ -239,20 +302,25 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
 
 				// Remove all SQL commands
 				UNSET_SQLS();
+			} else {
+				// Extension has been removed for updates, so all is fine!
+				$ret = true;
 			}
 		} else {
 			// No, an error occurs while registering extension :-(
+			//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "".EXT_GET_CURR_NAME());
 			$ret = false;
 		}
-	} elseif (($task_id > 0) && (!empty($ext_name))) {
+	} elseif (($task_id > 0) && (EXT_GET_CURR_NAME() != "")) {
+		//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME()."<br />\n";
 		// 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",
-			array(bigintval($task_id)), __FILE__, __LINE__);
+			array(bigintval($task_id)), __FUNCTION__, __LINE__);
 	}
 
 	// Is this the sql_patches?
-	//* 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) && ($test)) {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":".EXT_GET_CURR_NAME()."/{$EXT_LOAD_MODE}");
+	if ((EXT_GET_CURR_NAME() == "sql_patches") && (($EXT_LOAD_MODE == "register") || ($EXT_LOAD_MODE == "remove")) && (!$dry_run) && ($test)) {
 		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": LOAD!");
 		if ($logout === true) {
 			// Then redirect to logout
@@ -265,6 +333,8 @@ function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = tr
 	} // END - if
 
 	// Return status code
+	//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME()." - LEFT!<br />\n";
+	//* DEBUG: */ var_dump($ret);
 	return $ret;
 }
 
@@ -274,20 +344,31 @@ function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
 	// This shall never do a non-admin user!
 	if (!IS_ADMIN()) return false;
 
+	// Get extension's name
+	$ext_name = GET_EXT_NAME($ext_id);
+
+	// If it is not set then maybe there is no extension for that ID number
+	if ($ext_name == "") return false;
+
+	// Set current SQL name
+	EXT_SET_CURR_NAME($ext_name);
+
+	// Init EXT_UPDATE_DEPENDS
+	EXT_INIT_UPDATE_DEPENDS();
+
 	// Init array
-	INIT_SQLS();
+	INIT_EXT_SQLS();
 
 	// By default no SQL has been executed
 	$sqlRan = false;
 
-	// Get extension's name
-	$ext_name = GET_EXT_NAME($ext_id);
-	// If it is not set then maybe there is no extension for that ID number
-	if (empty($ext_name)) return false;
-
 	// Load extension in detected mode
-	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":ext_name[{$ext_id}]={$ext_name}");
-	LOAD_EXTENSION($ext_name, $load_mode, "", false);
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":ext_name[{$ext_id}]=".EXT_GET_CURR_NAME()."");
+	LOAD_EXTENSION(EXT_GET_CURR_NAME(), $load_mode, "", false);
+
+	// Init these SQLs
+	INIT_SQLS();
+	SET_SQLS(GET_EXT_SQLS());
 
 	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":SQLs::count=".COUNT_SQLS()."");
 	if ((IS_SQLS_VALID() && (COUNT_SQLS() > 0))) {
@@ -298,19 +379,19 @@ function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
 		if ($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",
-				array($ext_name), __FILE__, __LINE__);
+				array(EXT_GET_CURR_NAME()), __FUNCTION__, __LINE__);
 		} // END - if
 	} // END - if
 
 	// 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
-		runFilterChain('post_extension_run_sql', $ext_name);
+		runFilterChain('post_extension_run_sql', EXT_GET_CURR_NAME());
 	} // END - if
 
 	// Is this the sql_patches?
-	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": {$ext_id}/{$ext_name}/{$load_mode}");
-	if (($ext_name == "sql_patches") && (($load_mode == "register") || ($load_mode == "remove"))) {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": id=".$ext_id.",currName=".EXT_GET_CURR_NAME().",loadMode=".$load_mode);
+	if ((EXT_GET_CURR_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&amp;logout=1&amp;".$load_mode."=sql_patches");
@@ -334,13 +415,13 @@ function EXT_IS_ACTIVE ($ext_name) {
 		// Count cache hits
 		incrementConfigEntry('cache_hits');
 	} elseif (isset($GLOBALS['ext_loaded'][$ext_name])) {
-		// Extension is loaded!
-		die("LOADED:$ext_name");
+		// @TODO Extension is loaded, what next?
+		app_die(__FUNCTION__, __LINE__, "LOADED:$ext_name");
 	} elseif (($ext_name == "cache") || (GET_EXT_VERSION("cache") == "")) {
 		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "DB! ext_name={$ext_name}");
 		// Load from database
 		$result = SQL_QUERY_ESC("SELECT ext_active FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
-			array($ext_name), __FILE__, __LINE__);
+			array($ext_name), __FUNCTION__, __LINE__);
 
 		// Entry found?
 		if (SQL_NUMROWS($result) == 1) {
@@ -352,11 +433,11 @@ function EXT_IS_ACTIVE ($ext_name) {
 		SQL_FREERESULT($result);
 
 		// Write cache array
-		//* DEBUG: */ echo $ext_name."[DB]: {$active}");
+		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "ext_name=".$ext_name."[DB]: {$active}");
 		$GLOBALS['cache_array']['extensions']['ext_active'][$ext_name] = $active;
 	} else {
 		// Extension not active!
-		//* DEBUG: */ echo $ext_name.": Not active!");
+		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "ext_name=".$ext_name.": Not active!");
 		$GLOBALS['cache_array']['extensions']['ext_active'][$ext_name] = "N";
 	}
 
@@ -371,6 +452,12 @@ function GET_EXT_VERSION ($ext_name) {
 	// By default no extension is found
 	$ext_ver = false;
 
+	// Empty extension name should be fixed!
+	if (empty($ext_name)) {
+		// Please report this bug!
+		debug_report_bug(__FUNCTION__.": ext_name is empty which is not allowed here.");
+	} // END - if
+
 	// Extensions are all inactive during installation
 	if ((!isInstalled()) || (isInstalling())) return "";
 	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": ext_name={$ext_name}");
@@ -386,7 +473,7 @@ function GET_EXT_VERSION ($ext_name) {
 	} elseif (!isCacheInstanceValid()) {
 		// Load from database
 		$result = SQL_QUERY_ESC("SELECT ext_version FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
-			array($ext_name), __FILE__, __LINE__);
+			array($ext_name), __FUNCTION__, __LINE__);
 		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": DB - ".SQL_NUMROWS($result)."");
 
 		// Is the extension there?
@@ -409,20 +496,17 @@ 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 $NOTES;
-	global $INC_POOL;
-
-	// Init arrays
-	INIT_SQLS();
-	$INC_POOL = array();
-
-	// Init notes
-	$NOTES = "";
-
 	// Only admins are allowed to update extensions
 	if ((!IS_ADMIN()) || (empty($ext_name))) return false;
 
+	// Set current SQL name
+	EXT_SET_CURR_NAME($ext_name);
+
+	// Init arrays
+	INIT_EXT_SQLS();
+	EXT_INIT_NOTES();
+	INIT_INC_POOL();
+
 	// Load extension in test mode
 	LOAD_EXTENSION($ext_name, "test", $ext_ver, $dry_run);
 
@@ -430,7 +514,7 @@ function EXTENSION_UPDATE ($ext_name, $ext_ver, $dry_run = false) {
 	$history = EXT_GET_VER_HISTORY();
 
 	// Remove old SQLs array to prevent possible bugs
-	INIT_SQLS();
+	INIT_EXT_SQLS();
 
 	// Check if version is updated
 	if (((EXT_GET_VERSION() != $ext_ver) || ($dry_run)) && (is_array($history))) {
@@ -438,60 +522,57 @@ function EXTENSION_UPDATE ($ext_name, $ext_ver, $dry_run = false) {
 		$start = array_search($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
-			$GLOBALS['cache_array']['update_ver'][$ext_name] = $history[$idx];
+			$GLOBALS['cache_array']['update_ver'][EXT_GET_CURR_NAME()] = $history[$idx];
 
 			// Load again...
-			LOAD_EXTENSION($ext_name, "update", $GLOBALS['cache_array']['update_ver'][$ext_name], $dry_run);
+			LOAD_EXTENSION(EXT_GET_CURR_NAME(), "update", $GLOBALS['cache_array']['update_ver'][EXT_GET_CURR_NAME()], $dry_run);
 
 			if (EXT_GET_UPDATE_DEPENDS() != "") {
-				// Backup current SQL queries
-				$GLOBALS['cache_array']['update_sqls'][$ext_name] = GET_SQLS();
-
 				// Is the extension there?
 				if (GET_EXT_VERSION(EXT_GET_UPDATE_DEPENDS()) != "") {
 					// Update another extension first!
 					$test = EXTENSION_UPDATE(EXT_GET_UPDATE_DEPENDS(), GET_EXT_VERSION(EXT_GET_UPDATE_DEPENDS()), $dry_run);
 				} else {
 					// Register new extension
-					$test = EXTENSION_REGISTER(EXT_GET_UPDATE_DEPENDS(), 0, $dry_run, false);
+					$test = REGISTER_EXTENSION(EXT_GET_UPDATE_DEPENDS(), 0, $dry_run, false);
 				}
-
-				// Restore previous SQL queries
-				SET_SQLS($GLOBALS['cache_array']['update_sqls'][$ext_name]);
-				unset($GLOBALS['cache_array']['update_sqls'][$ext_name]);
 			} // END - if
 
 			// Add notes
-			$NOTES .= ADD_EXTENSION_NOTES($GLOBALS['cache_array']['update_ver'][$ext_name]);
+			ADD_EXTENSION_NOTES($GLOBALS['cache_array']['update_ver'][EXT_GET_CURR_NAME()]);
 		} // END - for
 
 		// In real-mode execute any existing includes
 		if (!$dry_run) {
-			$GLOBALS['cache_array']['inc_pool'][$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]);
+			$GLOBALS['cache_array']['inc_pool'][EXT_GET_CURR_NAME()] = GET_INC_POOL();
+			runFilterChain('load_includes');
+			SET_INC_POOL($GLOBALS['cache_array']['inc_pool'][EXT_GET_CURR_NAME()]);
+			unset($GLOBALS['cache_array']['inc_pool'][EXT_GET_CURR_NAME()]);
 		} // END - if
 
+		// Init these SQLs
+		INIT_SQLS();
+		SET_SQLS(GET_EXT_SQLS());
+
 		// Run SQLs
 		runFilterChain('run_sqls', array('dry_run' => $dry_run));
 
 		if (!$dry_run) {
 			// Create task
-			CREATE_EXTENSION_UPDATE_TASK(GET_CURRENT_ADMIN_ID(), $ext_name, $GLOBALS['cache_array']['update_ver'][$ext_name], SQL_ESCAPE($NOTES));
+			CREATE_EXTENSION_UPDATE_TASK(GET_CURRENT_ADMIN_ID(), EXT_GET_CURR_NAME(), $GLOBALS['cache_array']['update_ver'][EXT_GET_CURR_NAME()], SQL_ESCAPE(EXT_GET_NOTES(EXT_GET_NOTES())));
 
 			// Update extension's version
 			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], $ext_name), __FILE__, __LINE__);
+				array($GLOBALS['cache_array']['update_ver'][EXT_GET_CURR_NAME()], EXT_GET_CURR_NAME()), __FUNCTION__, __LINE__);
 
 			// Remove arrays
 			UNSET_SQLS();
-			unset($GLOBALS['cache_array']['update_ver'][$ext_name]);
+			unset($GLOBALS['cache_array']['update_ver'][EXT_GET_CURR_NAME()]);
 
 			// Run filters on success extension update
-			runFilterChain('extension_update', $ext_name);
+			runFilterChain('extension_update', EXT_GET_CURR_NAME());
 		} // END - if
 	} // END - if
 }
@@ -572,7 +653,7 @@ function GET_EXT_NAME ($ext_id) {
 	} elseif (!EXT_IS_ACTIVE("cache")) {
 		// Load from database
 		$result = SQL_QUERY_ESC("SELECT ext_name FROM `{!_MYSQL_PREFIX!}_extensions` WHERE id=%s LIMIT 1",
-			array(bigintval($ext_id)), __FILE__, __LINE__);
+			array(bigintval($ext_id)), __FUNCTION__, __LINE__);
 		list($ret) = SQL_FETCHROW($result);
 		SQL_FREERESULT($result);
 	}
@@ -592,7 +673,7 @@ function GET_EXT_ID ($ext_name) {
 	} elseif (!EXT_IS_ACTIVE("cache")) {
 		// Load from database
 		$result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
-			array($ext_name), __FILE__, __LINE__);
+			array($ext_name), __FUNCTION__, __LINE__);
 		list($ret) = SQL_FETCHROW($result);
 		SQL_FREERESULT($result);
 	}
@@ -605,7 +686,7 @@ function GET_EXT_ID ($ext_name) {
 function ACTIVATE_EXTENSION ($ext_name) {
 	// Activate the extension
 	SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_active='Y' WHERE ext_name='%s' LIMIT 1",
-		array($ext_name), __FILE__, __LINE__);
+		array($ext_name), __FUNCTION__, __LINE__);
 
 	// Extension has been activated?
 	if (SQL_AFFECTEDROWS() == 1) {
@@ -618,7 +699,7 @@ function ACTIVATE_EXTENSION ($ext_name) {
 function DEACTIVATE_EXTENSION($ext_name) {
 	// Activate the extension
 	SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_active='N' WHERE ext_name='%s' LIMIT 1",
-		array($ext_name), __FILE__, __LINE__);
+		array($ext_name), __FUNCTION__, __LINE__);
 
 	// Extension has been activated?
 	if (SQL_AFFECTEDROWS() == 1) {
@@ -661,7 +742,7 @@ function CREATE_EXTENSION_UPDATE_TASK ($admin_id, $ext_name, $ext_ver, $notes) {
 		if (DETERMINE_TASK_ID_BY_SUBJECT($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())",
-				array($admin_id, $subject, $notes), __FILE__, __LINE__);
+				array($admin_id, $subject, $notes), __FUNCTION__, __LINE__);
 		} // END - if
 	} // END - if
 }
@@ -677,23 +758,26 @@ function CREATE_NEW_EXTENSION_TASK ($admin_id, $subject, $ext) {
 			$ext
 		);
 
-		// Load text for task
+		// Set default message if ext-foo is missing
+		$msg = sprintf(getMessage('ADMIN_EXT_TEXT_FILE_MISSING'), $ext);
+
+		// Load text for task if found
 		if (FILE_READABLE($tpl)) {
 			// Load extension's own text template (HTML!)
-			$msg = LOAD_TEMPLATE("ext_".$ext, true);
+			$msg = LOAD_TEMPLATE("ext_" . $ext, true);
 		} else {
-			// Load default message
-			$msg = LOAD_TEMPLATE("admin_new_ext", "", 0);
+			// Write this in debug.log as well
+			DEBUG_LOG(__FUNCTION__, __LINE__, $msg);
 		}
 
 		// 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','%s','%s',UNIX_TIMESTAMP())",
+VALUES (%s, 0, 'NEW', 'EXTENSION', '%s', '%s', UNIX_TIMESTAMP())",
 			array(
 				$admin_id,
 				$subject,
-				SQL_ESCAPE($msg),
-			),  __FILE__, __LINE__, true, false
+				smartAddSlashes($msg),
+			),  __FUNCTION__, __LINE__, true, false, false
 		);
 	} // END - if
 }
@@ -707,11 +791,11 @@ function CREATE_EXTENSION_DEACTIVATION_TASK ($ext) {
 	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)
-VALUES (0,0,'NEW','EXTENSION_DEACTIVATION','%s','%s',UNIX_TIMESTAMP())",
+VALUES (0, 0, 'NEW', 'EXTENSION_DEACTIVATION', '%s', '%s', UNIX_TIMESTAMP())",
 			array(
 				$subject,
 				SQL_ESCAPE(LOAD_TEMPLATE("task_ext_deactivated", true, $ext)),
-			),  __FILE__, __LINE__, true, false
+			),  __FUNCTION__, __LINE__, true, false
 		);
 	} // END - if
 }
@@ -721,7 +805,7 @@ function MODULE_HAS_MENU ($mod, $forceDb = false) {
 	// All is false by default
 	$ret = false;
 
-	//* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):mod={$mod},cache=".GET_EXT_VERSION("cache")."<br />\n";
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "mod={$mod},cache=".GET_EXT_VERSION("cache"));
 	if (GET_EXT_VERSION("cache") >= "0.1.2") {
 		// Cache version is okay, so let's check the cache!
 		if (isset($GLOBALS['cache_array']['modules']['has_menu'][$mod])) {
@@ -738,8 +822,8 @@ 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
-		$result = SQL_QUERY_ESC("SELECT has_menu FROM `{!_MYSQL_PREFIX!}_mod_reg` WHERE module='%s' LIMIT 1",
-			array($mod), __FILE__, __LINE__);
+		$result = SQL_QUERY_ESC("SELECT has_menu FROM `{!_MYSQL_PREFIX!}_mod_reg` WHERE `module`='%s' LIMIT 1",
+			array($mod), __FUNCTION__, __LINE__);
 
 		// Entry found?
 		if (SQL_NUMROWS($result) == 1) {
@@ -761,7 +845,7 @@ function MODULE_HAS_MENU ($mod, $forceDb = false) {
 	}
 
 	// Return status
-	//* DEBUG: */ var_dump($ret);
+	//* DEBUG: */ print __FUNCTION__."[".__LINE__."]:currName=".EXT_GET_CURR_NAME().":"; var_dump($ret);
 	return $ret;
 }
 
@@ -772,7 +856,7 @@ function DETERMINE_EXTENSION_TASK_ID ($ext_name) {
 
 	// Search for extension task's id
 	$result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_task_system` WHERE task_type='EXTENSION' AND subject='[%s:]' LIMIT 1",
-		array($ext_name), __FILE__, __LINE__);
+		array($ext_name), __FUNCTION__, __LINE__);
 
 	// Entry found?
 	if (SQL_NUMROWS($result) == 1) {
@@ -794,7 +878,7 @@ function DETERMINE_TASK_ID_BY_SUBJECT ($subject) {
 
 	// Search for task id
 	$result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_task_system` WHERE subject LIKE '%s%%' LIMIT 1",
-		array($subject), __FILE__, __LINE__);
+		array($subject), __FUNCTION__, __LINE__);
 
 	// Entry found?
 	if (SQL_NUMROWS($result) == 1) {
@@ -824,6 +908,8 @@ function ADD_EXTENSION_NOTES ($ver) {
 				'ver'   => $ver,
 				'notes' => EXT_GET_UPDATE_NOTES()
 			);
+
+			// Reset them
 			EXT_SET_UPDATE_NOTES("");
 		} elseif (($ver == "0.0") || ($ver == "0.0.0")) {
 			// Initial release
@@ -843,8 +929,8 @@ function ADD_EXTENSION_NOTES ($ver) {
 		$out = LOAD_TEMPLATE("admin_ext_notes", true, $content);
 	} // END - if
 
-	// Return the output
-	return $out;
+	// Add the notes
+	EXT_APPEND_NOTES($out);
 }
 
 // Getter for CSS files array
@@ -882,47 +968,154 @@ function EXT_ADD_CSS_FILE ($file) {
 
 // Setter for EXT_ALWAYS_ACTIVE flag
 function EXT_SET_ALWAYS_ACTIVE ($active) {
-	$GLOBALS['ext_always_active'] = $active;
+	$GLOBALS['ext_always_active'][EXT_GET_CURR_NAME()] = (string) $active;
 }
 
 // Getter for EXT_ALWAYS_ACTIVE flag
 function EXT_GET_ALWAYS_ACTIVE () {
-	return $GLOBALS['ext_always_active'];
+	return $GLOBALS['ext_always_active'][EXT_GET_CURR_NAME()];
 }
 
 // Setter for EXT_VERSION flag
 function EXT_SET_VERSION ($version) {
-	$GLOBALS['ext_version'] = $version;
+	$GLOBALS['ext_version'][EXT_GET_CURR_NAME()] = (float) $version;
 }
 
 // Getter for EXT_VERSION flag
 function EXT_GET_VERSION () {
-	return $GLOBALS['ext_version'];
+	return $GLOBALS['ext_version'][EXT_GET_CURR_NAME()];
 }
 
 // Setter for EXT_DEPRECATED flag
 function EXT_SET_DEPRECATED ($deprecated) {
-	$GLOBALS['ext_deprecated'] = $deprecated;
+	$GLOBALS['ext_deprecated'][EXT_GET_CURR_NAME()] = (string) $deprecated;
 }
 
 // Getter for EXT_DEPRECATED flag
 function EXT_GET_DEPRECATED () {
-	return $GLOBALS['ext_deprecated'];
+	return $GLOBALS['ext_deprecated'][EXT_GET_CURR_NAME()];
 }
 
 // Setter for EXT_UPDATE_DEPENDS flag
-function EXT_SET_UPDATE_DEPENDS ($updateDepends) {
-	$GLOBALS['ext_update_depends'] = $updateDepends;
+function EXT_ADD_UPDATE_DEPENDS ($updateDepends) {
+	// Is the update depency empty? (NEED TO BE FIXED!)
+	if (empty($updateDepends)) {
+		// Please report this bug!
+		debug_report_bug("updateDepends is left empty!");
+	} // END - if
+
+	// Is it not yet added?
+	if (!in_array($updateDepends, $GLOBALS['ext_running_updates'])) {
+		//* DEBUG */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME()."/".$updateDepends);
+		// Add it to the list of extension update depencies map
+		$GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()][] = (string) $updateDepends;
+
+		// Remember it in the list of running updates
+		$GLOBALS['ext_running_updates'][] = $updateDepends;
+	} // END - if
+}
+
+// Checks wether the given extension registration is in progress
+function EXT_IS_REGISTER_RUNNING ($ext_name) {
+	return ((isset($GLOBALS['ext_register_running'])) && (in_array($ext_name, $GLOBALS['ext_register_running'])));
+}
+
+// Init EXT_UPDATE_DEPENDS flag
+function EXT_INIT_UPDATE_DEPENDS () {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+
+	// Init update depency map automatically if not found
+	if (!EXT_IS_UPDATE_DEPENDS_INIT()) {
+		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME()." - INIT!");
+		$GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()] = array();
+	} // END - if
+
+	// Init running updates array
+	EXT_INIT_RUNNING_UPDATES();
+}
+
+// Adds an extension as "registration in progress"
+function EXT_ADD_RUNNING_REGISTRATION ($ext_name) {
+	// Is it running?
+	if (!EXT_IS_REGISTER_RUNNING($ext_name)) {
+		// Then add it!
+		$GLOBALS['ext_register_running'][] = $ext_name;
+	} // END - if
+}
+
+// Checks wether EXT_UPDATE_DEPENDS is initialized
+function EXT_IS_UPDATE_DEPENDS_INIT () {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+	return (isset($GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()]));
+}
+
+// Initializes the list of running updates
+function EXT_INIT_RUNNING_UPDATES () {
+	// Auto-init ext_running_updates
+	if (!isset($GLOBALS['ext_running_updates'])) {
+		$GLOBALS['ext_running_updates'] = array();
+		$GLOBALS['ext_register_running'] = array();
+	} // END - if
 }
 
 // Getter for EXT_UPDATE_DEPENDS flag
 function EXT_GET_UPDATE_DEPENDS () {
-	return $GLOBALS['ext_update_depends'];
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+	return $GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()];
+}
+
+// Getter for next iterator depency
+function EXT_GET_ITERATOR_UPDATE_DEPENDS () {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+	return ($GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()][EXT_GET_UPDATE_ITERATOR()]);
+}
+
+// Counter for extension update depencies
+function EXT_COUNT_UPDATE_DEPENDS () {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+	return count($GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()]);
+}
+
+// Removes given extension from update denpency list
+function EXT_REMOVE_UPDATE_DEPENDS ($ext_name) {
+	// Look it up
+	$key = array_search($ext_name, EXT_GET_UPDATE_DEPENDS());
+
+	// Is it valid?
+	if ($key !== false) {
+		// Then remove it
+		unset($GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()][$key]);
+
+		// And sort the array
+		ksort($GLOBALS['ext_update_depends'][EXT_GET_CURR_NAME()]);
+	} // END - if
+}
+
+// Init iterator for update depencies
+function EXT_INIT_UPDATE_ITERATOR () {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+	$GLOBALS['ext_depend_iterator'][EXT_GET_CURR_NAME()] = 0;
+}
+
+// Getter for depency iterator
+function EXT_GET_UPDATE_ITERATOR () {
+	// Auto-init iterator
+	if (!isset($GLOBALS['ext_depend_iterator'][EXT_GET_CURR_NAME()])) EXT_INIT_UPDATE_ITERATOR();
+
+	// Return it
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME()."/".$GLOBALS['ext_depend_iterator'][EXT_GET_CURR_NAME()]);
+	return $GLOBALS['ext_depend_iterator'][EXT_GET_CURR_NAME()];
+}
+
+// Increments the update iterator
+function EXT_INCREMENT_UPDATE_INTERATOR () {
+	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "currName=".EXT_GET_CURR_NAME());
+	$GLOBALS['ext_depend_iterator'][EXT_GET_CURR_NAME()]++;
 }
 
 // Setter for EXT_REPORTS_FAILURE flag
 function EXT_SET_REPORTS_FAILURE ($reportsFailure) {
-	$GLOBALS['ext_reports_failure'] = $reportsFailure;
+	$GLOBALS['ext_reports_failure'] = (bool) $reportsFailure;
 }
 
 // Getter for EXT_REPORTS_FAILURE flag
@@ -935,14 +1128,14 @@ function EXT_SET_VER_HISTORY ($verHistory) {
 	$GLOBALS['ext_ver_history'] = (array) $verHistory;
 }
 
-// Getter for EXT_VER_HISTORY flag
+// Getter for EXT_VER_HISTORY array
 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;
+	$GLOBALS['ext_update_notes'] = (string) $updateNotes;
 }
 
 // Getter for EXT_UPDATE_NOTES flag
@@ -950,5 +1143,97 @@ function EXT_GET_UPDATE_NOTES () {
 	return $GLOBALS['ext_update_notes'];
 }
 
+// Init extension notice
+function EXT_INIT_NOTES () {
+	$GLOBALS['ext_notes'] = "";
+}
+
+// Append extension notice
+function EXT_APPEND_NOTES ($notes) {
+	$GLOBALS['ext_notes'] .= (string) $notes;
+}
+
+// Getter for extension notes
+function EXT_GET_NOTES () {
+	return $GLOBALS['ext_notes'];
+}
+
+// Setter for current extension name
+function EXT_SET_CURR_NAME ($ext_name) {
+	$GLOBALS['curr_ext_name'] = (string) $ext_name;
+}
+
+// Getter for current extension name
+function EXT_GET_CURR_NAME () {
+	if (isset($GLOBALS['curr_ext_name'])) {
+		return $GLOBALS['curr_ext_name'];
+	} // END - if
+
+	// Not set!
+	debug_report_bug(__FUNCTION__.": curr_ext_name not initialized. Please execute INIT_EXT_SQLS() before calling this function.");
+}
+
+// Init SQLs array for current extension
+function INIT_EXT_SQLS () {
+	// Auto-init the array now...
+	if (!isset($GLOBALS['ext_sqls'][EXT_GET_CURR_NAME()])) {
+		$GLOBALS['ext_sqls'][EXT_GET_CURR_NAME()] = array();
+	} // END - if
+}
+
+// Adds SQLs to the SQLs array but "assigns" it with current extension name
+function ADD_EXT_SQL ($sql) {
+	$GLOBALS['ext_sqls'][EXT_GET_CURR_NAME()][] = $sql;
+}
+
+// Getter for SQLs array for current extension
+function GET_EXT_SQLS () {
+	// Output debug backtrace if not found (SHOULD NOT HAPPEN!)
+	if (!isset($GLOBALS['ext_sqls'][EXT_GET_CURR_NAME()])) {
+		// Not found, should not happen
+		debug_report_bug(sprintf("ext_sqls is empty, current extension: %s",
+			EXT_GET_CURR_NAME()
+		));
+	} // END - if
+
+	// Return the array
+	return $GLOBALS['ext_sqls'][EXT_GET_CURR_NAME()];
+}
+
+// Removes SQLs for current extension
+function UNSET_EXT_SQLS () {
+	unset($GLOBALS['ext_sqls'][EXT_GET_CURR_NAME()]);
+}
+
+// Auto-initializes the removal list
+function EXT_INIT_REMOVAL_LIST () {
+	// Is the remove list there?
+	if (!isset($GLOBALS['ext_update_remove'])) {
+		// Then create it
+		$GLOBALS['ext_update_remove'] = array();
+	} // END - if
+}
+
+// Checks wether the current extension is on the removal list
+function EXT_IS_ON_REMOVAL_LIST () {
+	// Init removal list
+	EXT_INIT_REMOVAL_LIST();
+
+	// Is it there?
+	return (in_array(EXT_GET_CURR_NAME(), $GLOBALS['ext_update_remove']));
+}
+
+// Adds the current extension to the removal list
+function EXT_ADD_CURRENT_TO_REMOVAL_LIST () {
+	// Simply add it
+	$GLOBALS['ext_update_remove'][] = EXT_GET_CURR_NAME();
+}
+
+// Getter for removal list
+function EXT_GET_REMOVAL_LIST () {
+	// Return the removal list
+	return $GLOBALS['ext_update_remove'];
+}
+
 //
 ?>