'.print_r($test);
					} // END - if
				} elseif ($ext_ver != getCurrentExtensionVersion()) {
					// Ok, update this extension now
					//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName().",ext_update=".$ext_update.",ext_ver=".$ext_ver."/".getCurrentExtensionVersion()."");
					$GLOBALS['ext_backup'][$ext_update][$ext_ver] = getCurrentExtensionName();
					updateExtension($ext_update, $ext_ver, getExtensionDryRun());
					setCurrentExtensionName($GLOBALS['ext_backup'][$ext_update][$ext_ver]);
					unset($GLOBALS['ext_backup'][$ext_update][$ext_ver]);
					//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName()."");

					// All okay!
					$test = true;
				} else {
					// Nothing to register / update before...
					$test = true;
				}
			} else {
				// Required file for update does not exists!
				$test = true;
				// But this is fine for the first time...
			}

			// Restore the current extension name
			setCurrentExtensionName($ext_name);
		} // END - for

		// Is there no update?
		if (countExtensionUpdateDependencies(getCurrentExtensionName()) == '0') {
			// Then test is passed!
			$test = true;
		} // END - if

		// Switch back to register mode
		setExtensionMode('register');

		// Remains true if extension registration reports no failures
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName()); print getCurrentExtensionName().':
'.print_r($test, true).'
';
		$test = (($test === true) && (getExtensionReportsFailure() === false));
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName()); print getCurrentExtensionName().':
'.print_r($test, true).'
';

		// Does everthing before wents ok?
		if ($test === true) {
			// "Dry-run-mode" activated?
			if ((getExtensionDryRun() === false) && (!isExtensionOnRemovalList())) {
				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "ext_name=".getCurrentExtensionName());
				// Init SQLs and transfer ext->generic
				initSqls();
				setSqlsArray(getExtensionSqls());

				// Run installation pre-installation filters
				runFilterChain('pre_extension_installed', array('dry_run' => getExtensionDryRun()));

				// Register extension
				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "insert=".getCurrentExtensionName().'/'.getCurrentExtensionVersion()." - INSERT!");
				if (isExtensionInstalledAndNewer('sql_patches', '0.0.6')) {
					// New way, with CSS
					SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_extensions` (`ext_name`, `ext_active`, `ext_version`,`ext_has_css`) VALUES ('%s','%s','%s','%s')",
						array(getCurrentExtensionName(), getExtensionAlwaysActive(), getCurrentExtensionVersion(), getExtensionHasCss()), __FUNCTION__, __LINE__);
				} else {
					// Old way, no CSS
					SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_extensions` (`ext_name`, `ext_active`, `ext_version`) VALUES ('%s','%s','%s')",
						array(getCurrentExtensionName(), getExtensionAlwaysActive(), getCurrentExtensionVersion()), __FUNCTION__, __LINE__);
				}

				// Remove cache file(s) if extension is active
				runFilterChain('post_extension_installed', array(
					'pool'     => 'extension',
					'ext_name' => getCurrentExtensionName(),
					'task_id'  => $task_id
				));

				// Remove all SQL commands
				unsetSqls();

				// Mark it as installed
				$GLOBALS['ext_is_installed'][getCurrentExtensionName()] = true;

				// In normal mode return a true on success
				$ret = true;
			} elseif (getExtensionDryRun() === true) {
				// In  "dry-run" mode return array with all SQL commands
				$ret = getExtensionSqls();

				// Remove all SQL commands
				unsetSqls();
			} else {
				// Extension has been removed for updates, so all is fine!
				$ret = true;
			}
		} else {
			// No, an error occurs while registering extension :-(
			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "".getCurrentExtensionName());
			$ret = false;
		}
	} elseif (($task_id > 0) && (getCurrentExtensionName() != '')) {
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName()."");
		// 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)), __FUNCTION__, __LINE__);
	}

	// Is this the sql_patches?
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ':'.getCurrentExtensionName()."/".getExtensionMode()."");
	if ((getCurrentExtensionName() == 'sql_patches') && ((getExtensionMode() == 'register') || (getExtensionMode() == 'remove')) && (!getExtensionDryRun()) && ($test)) {
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": LOAD!");
		if ($logout === true) {
			// Then redirect to logout
			redirectToUrl('modules.php?module=admin&logout=1&' . getExtensionMode() . '=sql_patches');
		} else {
			// Add temporary filter
			registerFilter('shutdown', 'REDIRECT_TO_LOGOUT_SQL_PATCHES', true, true);
			$GLOBALS['ext_load_mode'] = getExtensionMode();
		}
	} // END - if

	// Return status code
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName()." - LEFT!");
	//* DEBUG: */ print getCurrentExtensionName().':
'.print_r($ret, true).'
';
	return $ret;
}

// Run SQL queries for given extension id
// @TODO Change from ext_id to ext_name (not just even the variable! ;-) )
function doExtensionSqls ($ext_id, $load_mode) {
	// This shall never do a non-admin user!
	if (!isAdmin()) return false;

	// Get extension's name
	$ext_name = getExtensionName($ext_id);

	// Set current SQL name
	setCurrentExtensionName($ext_name);

	// Init EXT_UPDATE_DEPENDS
	initExtensionUpdateDependencies();

	// Init array
	initExtensionSqls();

	// By default no SQL has been executed
	$sqlRan = false;

	// Load extension in detected mode
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ":ext_name[{$ext_id}]=".getCurrentExtensionName()."");
	loadExtension(getCurrentExtensionName(), $load_mode, '', false);

	// Init these SQLs
	initSqls();
	setSqlsArray(getExtensionSqls());

	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ":SQLs::count=".countSqls()."");
	if (isSqlsValid()) {
		// Run SQL commands...
		runFilterChain('run_sqls');
	} // END - if

	// Run any filters depending on the action here
	runFilterChain('extension_' . $load_mode);

	// Remove cache file(s) if extension is active
	if (((isExtensionActive('cache')) && ((SQL_AFFECTEDROWS() == 1)) || ($sqlRan === true) || ($load_mode == 'activate') || ($load_mode == 'deactivate'))) {
		// Run filters
		runFilterChain('post_extension_run_sql', getCurrentExtensionName());
	} // END - if

	// Is this the sql_patches?
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": id=".$ext_id.",currName=".getCurrentExtensionName().",loadMode=".$load_mode);
	if ((getCurrentExtensionName() == 'sql_patches') && (($load_mode == 'register') || ($load_mode == 'remove'))) {
		// Then redirect to logout
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": LOAD!");
		redirectToUrl('modules.php?module=admin&logout=1&' . $load_mode . '=sql_patches');
	} // END - if
}

// Check wether the given extension is installed
function isExtensionInstalled ($ext_name) {
	// We don't like empty extension names here
	if (empty($ext_name)) {
		// Please fix them all
		debug_report_bug(__FUNCTION__.': ext_name is empty.');
	} // END - if

	// By default non is installed
	$isInstalled = false;

	// Check if there is a cache entry
	if (isset($GLOBALS['ext_is_installed'][$ext_name])) {
		// Use cache built from below queries
		$isInstalled = $GLOBALS['ext_is_installed'][$ext_name];
	} elseif (isset($GLOBALS['cache_array']['extension']['ext_id'][$ext_name])) {
		// Found!
		$isInstalled = true;

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} elseif ((isInstallationPhase())) {
		// Extensions are all inactive/not installed during installation
	} else {
		// Look in database
		$ext_id = getExtensionId($ext_name);

		// Do we have a record?
		$isInstalled = ($ext_id > 0);

		// Is it installed, then cache the entry
		if ($isInstalled === true) {
			// Dummy call (get is okay here)
			getExtensionId($ext_name, true);
		} // END - if

		// Remember the status
		$GLOBALS['ext_is_installed'][$ext_name] = $isInstalled;
	}

	// Return status
	return $isInstalled;
}

// Check if given extension is active
function isExtensionActive ($ext_name) {
	// Extensions are all inactive during installation
	if ((isInstallationPhase()) || (empty($ext_name))) return false;

	// Not active is the default
	$active = 'N';

	// Check cache
	if (isset($GLOBALS['cache_array']['extension']['ext_active'][$ext_name])) {
		// Load from cache
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "CACHE! ext_name={$ext_name}");
		$active = $GLOBALS['cache_array']['extension']['ext_active'][$ext_name];

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} elseif (isset($GLOBALS['ext_loaded'][$ext_name])) {
		// @TODO Extension is loaded, what next?
		app_die(__FUNCTION__, __LINE__, "LOADED:$ext_name");
	} elseif (($ext_name == 'cache') || (!isExtensionInstalled('cache'))) {
		//* DEBUG: */ logDebugMessage(__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), __FUNCTION__, __LINE__);

		// Entry found?
		if (SQL_NUMROWS($result) == 1) {
			// Load entry
			list($active) = SQL_FETCHROW($result);
		} // END - if

		// Free result
		SQL_FREERESULT($result);

		// Write cache array
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "ext_name=".$ext_name."[DB]: {$active}");
		$GLOBALS['cache_array']['extension']['ext_active'][$ext_name] = $active;
	} else {
		// Extension not active!
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "ext_name=".$ext_name.": Not active!");
		$GLOBALS['cache_array']['extension']['ext_active'][$ext_name] = 'N';
	}

	// Debug message
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "ext_name={$ext_name},active={$active}");

	// Is this extension activated? (For admins we always have active extensions...)
	return ($active == 'Y');
}

// Get version from extensions
function getExtensionVersion ($ext_name, $force = false) {
	// 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 (isInstallationPhase()) return '';
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": ext_name={$ext_name}");

	// Is the cache written?
	if (isset($GLOBALS['cache_array']['extension']['ext_version'][$ext_name])) {
		// Load data from cache
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": CACHE!");
		$ext_ver = $GLOBALS['cache_array']['extension']['ext_version'][$ext_name];

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} elseif ((!isCacheInstanceValid()) || (isset($GLOBALS['cache_array']['extension'])) || (getOutputMode() != 0)) {
		// Load from database
		$result = SQL_QUERY_ESC("SELECT `ext_version` FROM `{?_MYSQL_PREFIX?}_extensions` WHERE `ext_name`='%s' LIMIT 1",
			array($ext_name), __FUNCTION__, __LINE__);
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": DB - ".SQL_NUMROWS($result)."");

		// Is the extension there?
		if (SQL_NUMROWS($result) == 1) {
			// Load entry
			list($ext_ver) = SQL_FETCHROW($result);
		} elseif (isDebugModeEnabled()) {
			// Not found!
			logDebugMessage(__FUNCTION__, __LINE__, sprintf(": Cannot find extension %s in database!", $ext_name));
		}

		// Free result
		SQL_FREERESULT($result);

		// Set cache
		$GLOBALS['cache_array']['extension']['ext_version'][$ext_name] = $ext_ver;
	}

	// Extension version should not be invalid
	if (($ext_ver == 'false') && ($force === false)) {
		// Please report this trouble
		debug_report_bug(sprintf("Extension %s has empty version!", $ext_name));
	} // END - if

	// Return result
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ": ret={$ext_ver}");
	return $ext_ver;
}

// Updates a given extension with current extension version to latest version
function updateExtension ($ext_name, $ext_ver, $dry_run = false) {
	// Only admins are allowed to update extensions
	if ((!isAdmin()) || (empty($ext_name))) return false;

	// Set current SQL name
	setCurrentExtensionName($ext_name);

	// Init arrays
	initExtensionSqls();
	initExtensionNotes();
	initIncludePool('extension');

	// Load extension in test mode
	loadExtension($ext_name, 'test', $ext_ver, getExtensionDryRun());

	// Save version history
	$history = getExtensionVersionHistory();

	// Remove old SQLs array to prevent possible bugs
	initExtensionSqls();

	// Check if version is updated
	//* DEBUG: */ print getCurrentExtensionName().'/'.$ext_name.':'.getThisExtensionVersion().'/'.$ext_ver.'/'.intval(is_array($history)).'
';
	if (((getThisExtensionVersion() != $ext_ver) || (getExtensionDryRun())) && (is_array($history))) {
		// Search for starting point
		$start = array_search($ext_ver, $history);

		// And load SQL queries in order of version history
		for ($idx = ($start + 1); $idx < count($history); $idx++) {
			// Set extension version
			$GLOBALS['update_ver'][getCurrentExtensionName()] = $history[$idx];

			// Load again...
			loadExtension(getCurrentExtensionName(), 'update', $GLOBALS['update_ver'][getCurrentExtensionName()], getExtensionDryRun());

			// Get all depencies
			$depencies = getExtensionUpdateDependencies();

			// Nothing to apply?
			if (count($depencies) > 0) {
				// Apply all extension depencies
				foreach ($depencies as $ext_depend) {
					// Did we already update/register this?
					if (!isset($GLOBALS['ext_updated'][$ext_depend])) {
						// Set it as current
						setCurrentExtensionName($ext_depend);

						// Mark it as already updated before we update it
						$GLOBALS['ext_updated'][$ext_depend] = true;

						// Is the extension there?
						if (isExtensionInstalled($ext_depend)) {
							// Update another extension first!
							$test = updateExtension($ext_depend, getExtensionVersion($ext_depend), getExtensionDryRun());
						} else {
							// Register new extension
							$test = registerExtension($ext_depend, 0, getExtensionDryRun(), false);
						}
					} // END - if
				} // END - foreach

				// Set name back
				setCurrentExtensionName($ext_name);
			} // END - if

			// Add notes
			addExtensionNotes($history[$idx]);
		} // END - for

		// In real-mode execute any existing includes
		if (getExtensionDryRun() === false) {
			$GLOBALS['ext_inc_pool'][getCurrentExtensionName()] = getIncludePool('extension');
			runFilterChain('load_includes', 'extension');
			setIncludePool('extension', $GLOBALS['ext_inc_pool'][getCurrentExtensionName()]);
			unset($GLOBALS['ext_inc_pool'][getCurrentExtensionName()]);
		} // END - if

		// Init these SQLs
		initSqls();
		setSqlsArray(getExtensionSqls());

		// Run SQLs
		runFilterChain('run_sqls', array('dry_run' => getExtensionDryRun()));

		if (getExtensionDryRun() === false) {
			// Run filters on success extension update
			runFilterChain('extension_update', getCurrentExtensionName());
		} // END - if
	} // END - if
}

// Output verbose SQL table for extension
function addExtensionVerboseSqlTable ($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

	// Init variables
	$OUT = '';

	// Do we have queries?
	if ((getExtensionVersion('sql_patches') >= '0.0.7') && (getConfig('verbose_sql') == 'Y')) {
		// Init switch color
		$SW = 2;

		// Get all SQLs
		foreach (getExtensionSqls() as $sqls) {
			// New array format is recursive
			foreach ($sqls as $idx => $sql) {
				// Trim out spaces
				$sql = trim($sql);

				// Output command if set
				if (!empty($sql)) {
					// Prepare output for template
					$content = array(
						'sw'  => $SW,
						'i'   => ($idx+1),
						'sql' => $sql
					);

					// Load row template
					$OUT .= loadTemplate('admin_ext_sql_row', true, $content);

					// Switch color
					$SW = 3 - $SW;
				} // END - if
			} // END - foreach
		} // END - foreach

		// Prepare content for template
		$content = array(
			'width'  => $width,
			'dashed' => $dashed,
			'title'  => $title,
			'rows'   => $OUT
		);

		// Load main template
		$OUT = loadTemplate('admin_ext_sql_table', true, $content);
	} elseif ((getExtensionVersion('sql_patches') >= '0.0.7') && (getConfig('verbose_sql') == 'Y')) {
		// No addional SQL commands to run
		$OUT = loadTemplate('admin_settings_saved', true, getMessage('ADMIN_NO_ADDITIONAL_SQLS'));
	} // END - if

	// Return output
	return $OUT;
}

// Get extension name from id
function getExtensionName ($ext_id) {
	// Init extension name
	$ret = '';

	// Is cache there?
	if (isset($GLOBALS['cache_array']['extension']['ext_name'][$ext_id])) {
		// Load from cache
		$ret = $GLOBALS['cache_array']['extension']['ext_name'][$ext_id];

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} elseif (!isExtensionActive('cache')) {
		// Load from database
		$result = SQL_QUERY_ESC("SELECT `ext_name` FROM `{?_MYSQL_PREFIX?}_extensions` WHERE `id`=%s LIMIT 1",
			array(bigintval($ext_id)), __FUNCTION__, __LINE__);

		// Is the entry there?
		if (SQL_NUMROWS($result) == 1) {
			// Get the extension's name from database
			list($ret) = SQL_FETCHROW($result);
		} // END - if

		// Free result
		SQL_FREERESULT($result);
	}

	// Did we find some extension?
	if (empty($ret)) {
		// We should fix these all!
		debug_report_bug(__FUNCTION__ . ': ext_name is empty. ext_id=' . $ext_id);
	} // END - if

	// Return the extension name
	return $ret;
}

// Get extension id from name
function getExtensionId ($ext_name) {
	// Init id number
	$ret = '0';

	// Do we have cache?
	if (isset($GLOBALS['cache_array']['extension']['ext_id'][$ext_name])) {
		// Load from cache
		$ret = $GLOBALS['cache_array']['extension']['ext_id'][$ext_name];

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} else {
		// Load from database
		$result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_extensions` WHERE `ext_name`='%s' LIMIT 1",
			array($ext_name), __FUNCTION__, __LINE__);

		// Is the entry there?
		if (SQL_NUMROWS($result) == 1) {
			// Get the extension's id from database
			list($ret) = SQL_FETCHROW($result);
		} // END - if

		// Free result
		SQL_FREERESULT($result);

		// Cache it
		$GLOBALS['cache_array']['extension']['ext_id'][$ext_name] = $ret;
	}

	// Return value
	return $ret;
}

// Determines wether the given extension name is valid
function isExtensionNameValid ($ext_name) {
	// Do we have cache?
	if (!isset($GLOBALS['ext_name_valid'][$ext_name])) {
		// Generate include file name
		$INC = sprintf("inc/extensions/ext-%s.php", $ext_name);

		// Is there a file in inc/extensions/ ?
		$GLOBALS['ext_name_valid'][$ext_name] = isIncludeReadable($INC);
	} // END - if

	// Return result
	return $GLOBALS['ext_name_valid'][$ext_name];
}

// Determines wether the given extension id is valid
function isExtensionIdValid ($ext_id) {
	// Default is nothing valid
	$isValid = false;

	// Check in cache then in database
	if (isset($GLOBALS['cache_array']['extension']['ext_name'][$ext_id])) {
		// Valid!
		$isValid = true;

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} else {
		// Query database
		$isValid = (countSumTotalData($ext_id, 'extensions', 'id', 'id', true) == 1);
	}

	// Return result
	return $isValid;
}

// Activate given extension
function doActivateExtension ($ext_name) {
	// Activate the extension
	SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_extensions` SET `ext_active`='Y' WHERE `ext_name`='%s' LIMIT 1",
		array($ext_name), __FUNCTION__, __LINE__);

	// Extension has been activated?
	if (SQL_AFFECTEDROWS() == 1) {
		// Then run all queries
		doExtensionSqls(getExtensionId($ext_name), 'activate');
	} // END - if
}

// Deactivate given extension
function doDeactivateExtension($ext_name) {
	// Activate the extension
	SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_extensions` SET `ext_active`='N' WHERE `ext_name`='%s' LIMIT 1",
		array($ext_name), __FUNCTION__, __LINE__);

	// Extension has been activated?
	if (SQL_AFFECTEDROWS() == 1) {
		// Then run all queries
		doExtensionSqls(getExtensionId($ext_name), 'deactivate');

		// Create new task
		createExtensionDeactivationTask($ext_name);

		// Notify the admin
		sendAdminNotification(
		getMessage('ADMIN_SUBJECT_EXTENSION_DEACTIVATED'),
			'admin_ext_deactivated',
			array('ext_name' => $ext_name)
		);
	} // END - if
}

// Checks wether the extension is older than given
function isExtensionOlder ($ext_name, $ext_ver) {
	// Get current extension version
	$currVersion = getExtensionVersion($ext_name);

	// Remove all dots from both versions
	$currVersion = str_replace('.', '', $currVersion);
	$ext_ver = str_replace('.', '', $ext_ver);

	// Now compare both and return the result
	return ($currVersion < $ext_ver);
}

// Creates a new task for updated extension
function createExtensionUpdateTask ($adminId, $ext_name, $ext_ver, $notes) {
	// Create subject line
	$subject = '[UPDATE-' . $ext_name . '-' . $ext_ver . ':] {--ADMIN_UPDATE_EXT_SUBJ--}';

	// Is the extension there?
	if (isExtensionInstalled($ext_name)) {
		// Check if task is not there
		if (determineTaskIdBySubject($subject) == '0') {
			// Create extension update-task
			createNewTask($subject, $notes, 'EXTENSION_UPDATE', 0, $adminId);
		} // END - if
	} else {
		// Extension not there! :-(
		debug_report_bug(sprintf("Extension %s not found but should be updated?", $ext_name));
	}
}

// Creates a new task for newly installed extension
function createNewExtensionTask ($adminId, $subject, $ext) {
	// Not installed and do we have created a task for the admin?
	if ((determineTaskIdBySubject($subject) == '0') && (!isExtensionInstalled($ext))) {
		// Set default message if ext-foo is missing
		$message = sprintf(getMessage('ADMIN_EXT_TEXT_FILE_MISSING'), $ext);

		// Template file
		$tpl = sprintf("%stemplates/%s/html/ext/ext_%s.tpl",
			getConfig('PATH'),
			getLanguage(),
			$ext
		);

		// Load text for task if found
		if (isFileReadable($tpl)) {
			// Load extension's own text template (HTML!)
			$message = loadTemplate('ext_' . $ext, true);
		} else {
			// Write this in debug.log as well
			logDebugMessage(__FUNCTION__, __LINE__, $message);
		}

		// Task not created so it's a brand-new extension which we need to register and create a task for!
		createNewTask($subject, $message, 'EXTENSION', 0, $adminId, false);
	} // END - if
}

// Creates a task for automatically deactivated (deprecated) extension
function createExtensionDeactivationTask ($ext) {
	// Create subject line
	$subject = sprintf("[%s:] %s", $ext, getMessage('TASK_SUBJ_EXTENSION_DEACTIVATED'));

	// Not installed and do we have created a task for the admin?
	if ((determineTaskIdBySubject($subject) == '0') && (getExtensionVersion($ext) != '')) {
		// Task not created so add it
		createNewTask($subject, SQL_ESCAPE(loadTemplate('task_ext_deactivated', true, $ext)), 'EXTENSION_DEACTIVATION');
	} // END - if
}

// Checks if the module has a menu
function ifModuleHasMenu ($mod, $forceDb = false) {
	// All is false by default
	$ret = false;

	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "mod={$mod},cache=".getExtensionVersion('cache'));
	if (isExtensionInstalledAndNewer('cache', '0.1.2')) {
		// Cache version is okay, so let's check the cache!
		if (isset($GLOBALS['cache_array']['modules']['has_menu'][$mod])) {
			// Check module cache and count hit
			$ret = ($GLOBALS['cache_array']['modules']['has_menu'][$mod] == 'Y');
			incrementStatsEntry('cache_hits');
		} elseif (isset($GLOBALS['cache_array']['extension']['ext_menu'][$mod])) {
			// Check cache and count hit
			$ret = ($GLOBALS['cache_array']['extension']['ext_menu'][$mod] == 'Y');
			incrementStatsEntry('cache_hits');
		} elseif ($mod == 'admin') {
			// Admin module has always a menu!
			$ret = true;
		}
	} elseif ((isExtensionInstalled('sql_patches')) && (getExtensionVersion('sql_patches') >= '0.3.6') && ((!isExtensionActive('cache')) || ($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), __FUNCTION__, __LINE__);

		// Entry found?
		if (SQL_NUMROWS($result) == 1) {
			// Load "has_menu" column
			list($has_menu) = SQL_FETCHROW($result);

			// Fake cache... ;-)
			$GLOBALS['cache_array']['extension']['ext_menu'][$mod] = $has_menu;

			// Does it have a menu?
			$ret = ($has_menu == 'Y');
		} // END  - if

		// Free memory
		SQL_FREERESULT($result);
	} elseif (!isExtensionInstalled('sql_patches')) {
		// No sql_patches installed, so maybe in admin area or no admin registered?
		$ret = (((isAdmin()) || (!isAdminRegistered())) && ($mod == 'admin')); // Then there is a menu!
	}

	// Return status
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName().intval($ret));
	return $ret;
}

// Determines the task id for given extension
function determineExtensionTaskId ($ext_name) {
	// Default is not found
	$task_id = '0';

	// Search for extension task's id
	$result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_task_system` WHERE `task_type`='EXTENSION' AND `subject`='[%s:]' LIMIT 1",
		array($ext_name), __FUNCTION__, __LINE__);

	// Entry found?
	if (SQL_NUMROWS($result) == 1) {
		// Task found so load task's id and register extension...
		list($task_id) = SQL_FETCHROW($result);
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Return it
	return $task_id;
}

// Determines the task id for given subject
function determineTaskIdBySubject ($subject) {
	// Default is not found
	$task_id = '0';

	// Search for task id
	$result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_task_system` WHERE `subject` LIKE '%s%%' LIMIT 1",
		array($subject), __FUNCTION__, __LINE__);

	// Entry found?
	if (SQL_NUMROWS($result) == 1) {
		// Task found so load task's id and register extension...
		list($task_id) = SQL_FETCHROW($result);
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Return it
	return $task_id;
}

// Add updates notes for given version
function addExtensionNotes ($ver) {
	// Init notes/content
	$out = ''; $content = array();

	// Is do we have verbose output enabled?
	if ((!isExtensionActive('sql_patches')) || (getConfig('verbose_sql') == 'Y')) {
		// Update notes found?
		if (getExtensionUpdateNotes($ver) != '') {
			// Update notes found
			$content = array(
				'ver'   => $ver,
				'notes' => getExtensionUpdateNotes($ver)
			);

			// Reset them
			setExtensionUpdateNotes('', $ver);
		} elseif (($ver == '0.0') || ($ver == '0.0.0')) {
			// Initial release
			$content = array(
				'ver'   => $ver,
				'notes' => getMessage('INITIAL_RELEASE')
			);
		} else {
			// No update notes found!
			$content = array(
				'ver'   => $ver,
				'notes' => getMessage('NO_UPDATE_NOTES')
			);
		}

		// Load template
		$out = loadTemplate('admin_ext_notes', true, $content);
	} // END - if

	// Add the notes
	appendExtensionNotes($out);
}

// Getter for CSS files array
function getExtensionCssFiles () {
	// 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 initExtensionCssFiles () {
	// Simply init it
	$GLOBALS['css_files'] = array();
}

// Add new entry
function addExtensionCssFile ($file) {
	// Is the array there?
	if (!isset($GLOBALS['css_files'])) {
		// Then auto-init them
		initExtensionCssFiles();
	} // END - if

	// Add the entry
	$GLOBALS['css_files'][] = $file;
}

// Setter for EXT_ALWAYS_ACTIVE flag
function setExtensionAlwaysActive ($active) {
	$GLOBALS['ext_always_active'][getCurrentExtensionName()] = (string) $active;
}

// Getter for EXT_ALWAYS_ACTIVE flag
function getExtensionAlwaysActive () {
	return $GLOBALS['ext_always_active'][getCurrentExtensionName()];
}

// Setter for EXT_VERSION flag
function setThisExtensionVersion ($version) {
	$GLOBALS['ext_version'][getCurrentExtensionName()] = (string) $version;
}

// Getter for EXT_VERSION flag
function getThisExtensionVersion () {
	return $GLOBALS['ext_version'][getCurrentExtensionName()];
}

// Setter for EXT_DEPRECATED flag
function setExtensionDeprecated ($deprecated) {
	$GLOBALS['ext_deprecated'][getCurrentExtensionName()] = (string) $deprecated;
}

// Getter for EXT_DEPRECATED flag
function isExtensionDeprecated () {
	return ($GLOBALS['ext_deprecated'][getCurrentExtensionName()] == 'Y');
}

// Setter for EXT_UPDATE_DEPENDS flag
function addExtensionUpdateDependency ($updateDepends) {
	// Is the update depency empty? (NEED TO BE FIXED!)
	if (empty($updateDepends)) {
		// Please report this bug!
		debug_report_bug('updateDepends is left empty!');
	} // END - if

	// Is it not yet added?
	if (!in_array($updateDepends, $GLOBALS['ext_running_updates'])) {
		//* DEBUG */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName().'/'.$updateDepends);
		// Add it to the list of extension update depencies map
		$GLOBALS['ext_update_depends'][getCurrentExtensionName()][] = (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 isExtensionRegisterRunning ($ext_name) {
	return ((isset($GLOBALS['ext_register_running'])) && (in_array($ext_name, $GLOBALS['ext_register_running'])));
}

// Init EXT_UPDATE_DEPENDS flag
function initExtensionUpdateDependencies () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());

	// Init update depency map automatically if not found
	if (!isExtensionUpdateDependenciesInitialized()) {
		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName()." - INIT!");
		$GLOBALS['ext_update_depends'][getCurrentExtensionName()] = array();
	} // END - if

	// Init running updates array
	initExtensionRuningUpdates();
}

// Adds an extension as "registration in progress"
function addExtensionRunningRegistration ($ext_name) {
	// Is it running?
	if (!isExtensionRegisterRunning($ext_name)) {
		// Then add it!
		$GLOBALS['ext_register_running'][] = $ext_name;
	} // END - if
}

// Checks wether EXT_UPDATE_DEPENDS is initialized
function isExtensionUpdateDependenciesInitialized () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());
	return (isset($GLOBALS['ext_update_depends'][getCurrentExtensionName()]));
}

// Initializes the list of running updates
function initExtensionRuningUpdates () {
	// 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 getExtensionUpdateDependencies () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());
	return $GLOBALS['ext_update_depends'][getCurrentExtensionName()];
}

// Getter for next iterator depency
function getExtensionUpdateDependenciesIterator () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());
	return ($GLOBALS['ext_update_depends'][getCurrentExtensionName()][getExtensionUpdateIterator()]);
}

// Counter for extension update depencies
function countExtensionUpdateDependencies () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());
	return count($GLOBALS['ext_update_depends'][getCurrentExtensionName()]);
}

// Removes given extension from update denpency list
function removeExtensionUpdateDependency ($ext_name) {
	// Look it up
	$key = array_search($ext_name, getExtensionUpdateDependencies());

	// Is it valid?
	if ($key !== false) {
		// Then remove it
		unset($GLOBALS['ext_update_depends'][getCurrentExtensionName()][$key]);

		// And sort the array
		ksort($GLOBALS['ext_update_depends'][getCurrentExtensionName()]);
	} // END - if
}

// Init iterator for update depencies
function initExtensionUpdateIterator () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());
	$GLOBALS['ext_depend_iterator'][getCurrentExtensionName()] = '0';
}

// Getter for depency iterator
function getExtensionUpdateIterator () {
	// Auto-init iterator
	if (!isset($GLOBALS['ext_depend_iterator'][getCurrentExtensionName()])) initExtensionUpdateIterator();

	// Return it
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName().'/'.$GLOBALS['ext_depend_iterator'][getCurrentExtensionName()]);
	return $GLOBALS['ext_depend_iterator'][getCurrentExtensionName()];
}

// Increments the update iterator
function incrementExtensionUpdateIterator () {
	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, "currName=".getCurrentExtensionName());
	$GLOBALS['ext_depend_iterator'][getCurrentExtensionName()]++;
}

// Setter for EXT_REPORTS_FAILURE flag
function setExtensionReportsFailure ($reportsFailure) {
	$GLOBALS['ext_reports_failure'] = (bool) $reportsFailure;
}

// Getter for EXT_REPORTS_FAILURE flag
function getExtensionReportsFailure () {
	return $GLOBALS['ext_reports_failure'];
}

// Setter for EXT_VER_HISTORY flag
function setExtensionVersionHistory ($verHistory) {
	$GLOBALS['ext_ver_history'][getCurrentExtensionName()] = (array) $verHistory;
}

// Getter for EXT_VER_HISTORY array
function getExtensionVersionHistory () {
	return $GLOBALS['ext_ver_history'][getCurrentExtensionName()];
}

// Setter for EXT_UPDATE_NOTES
function setExtensionUpdateNotes ($updateNotes, $ver='') {
	//* DEBUG: */ print __FUNCTION__.':'.getCurrentExtensionName().'/'.getCurrentExtensionVersion().'/'.$ver.'='.$updateNotes.'
';
	if (empty($ver)) {
		$GLOBALS['ext_update_notes'][getCurrentExtensionName()][getCurrentExtensionVersion()] = (string) $updateNotes;
	} else {
		$GLOBALS['ext_update_notes'][getCurrentExtensionName()][$ver] = (string) $updateNotes;
	}
}

// Getter for EXT_UPDATE_NOTES
function getExtensionUpdateNotes ($ver) {
	return $GLOBALS['ext_update_notes'][getCurrentExtensionName()][$ver];
}

// Init extension notice
function initExtensionNotes () {
	$GLOBALS['ext_notes'][getCurrentExtensionName()] = '';
}

// Append extension notice
function appendExtensionNotes ($notes) {
	$GLOBALS['ext_notes'][getCurrentExtensionName()] .= (string) trim($notes);
}

// Getter for extension notes
function getExtensionNotes () {
	return $GLOBALS['ext_notes'][getCurrentExtensionName()];
}

// Setter for current extension name
function setCurrentExtensionName ($ext_name) {
	$GLOBALS['curr_ext_name'] = (string) trim($ext_name);
}

// Getter for current extension name
function getCurrentExtensionName () {
	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 initExtensionSqls() before calling this function.");
}

// Init SQLs array for current extension
function initExtensionSqls () {
	// Auto-init the array now...
	if (!isset($GLOBALS['ext_sqls'][getCurrentExtensionName()])) {
		$GLOBALS['ext_sqls'][getCurrentExtensionName()] = array();
	} // END - if
}

// Adds SQLs to the SQLs array but "assigns" it with current extension name
function addExtensionSql ($sql) {
	// Add it
	$GLOBALS['ext_sqls'][getCurrentExtensionName()][getCurrentExtensionVersion()][] = $sql;
}

// Getter for SQLs array for current extension
function getExtensionSqls () {
	// Output debug backtrace if not found (SHOULD NOT HAPPEN!)
	if (!isset($GLOBALS['ext_sqls'][getCurrentExtensionName()])) {
		// Not found, should not happen
		debug_report_bug(sprintf("ext_sqls is empty, current extension: %s",
			getCurrentExtensionName()
		));
	} // END - if

	// Return the array
	return $GLOBALS['ext_sqls'][getCurrentExtensionName()];
}

// Removes SQLs for current extension
function unsetExtensionSqls () {
	unset($GLOBALS['ext_sqls'][getCurrentExtensionName()]);
}

// Auto-initializes the removal list
function initExtensionRemovalList () {
	// 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 isExtensionOnRemovalList () {
	// Init removal list
	initExtensionRemovalList();

	// Is it there?
	return (in_array(getCurrentExtensionName(), $GLOBALS['ext_update_remove']));
}

// Adds the current extension to the removal list
function addCurrentExtensionToRemovalList () {
	// Simply add it
	$GLOBALS['ext_update_remove'][] = getCurrentExtensionName();
}

// Getter for removal list
function getExtensionRemovalList () {
	// Return the removal list
	return $GLOBALS['ext_update_remove'];
}

// Redirects if the provided extension is not installed
function redirectOnUninstalledExtension ($ext_name) {
	// So is the extension there?
	if ((!isExtensionInstalled($ext_name)) || (!isExtensionActive($ext_name))) {
		// Redirect to index
		redirectToUrl('modules.php?module=index&code=' . getCode('EXTENSION_PROBLEM') . '&ext=' . $ext_name);
	} // END - if
}

// Filter for initialization of all extensions by loading them in 'init' mode
function FILTER_INIT_EXTENSIONS () {
	// Do we have some entries?
	//* DEBUG */ print __FUNCTION__.': ENTRY!
';
	if (isset($GLOBALS['cache_array']['extension']['ext_name'])) {
		// Load all found extensions if found
		//* DEBUG */ print __FUNCTION__.': CACHE - START!
';
		foreach ($GLOBALS['cache_array']['extension']['ext_name'] as $key => $ext_name) {
			// Load it
			//* DEBUG */ print __FUNCTION__.': '.$ext_name.' - START
';
			loadExtension($ext_name, 'init');
			//* DEBUG */ print __FUNCTION__.': '.$ext_name.' - END
';
		} // END - foreach
		//* DEBUG */ print __FUNCTION__.': CACHE - END!
';
	} // END - if
	//* DEBUG */ print __FUNCTION__.': EXIT!
';
}

// Setter for extension mode
function setExtensionMode ($ext_mode) {
	$GLOBALS['ext_mode'] = (string) $ext_mode;
}

// Getter for extension mode
function getExtensionMode () {
	return $GLOBALS['ext_mode'];
}

// Setter for dry-run
function enableExtensionDryRun ($dry_run = true) {
	//* DEBUG: */ print __FUNCTION__.': '.getCurrentExtensionName().'='.intval($dry_run).'
';
	$GLOBALS['ext_dry_run'] = (bool) $dry_run;
}

// Getter for dry-run
function getExtensionDryRun () {
	return $GLOBALS['ext_dry_run'];
}

// Setter for current extension version
function setCurrentExtensionVersion ($ext_ver) {
	if (empty($ext_ver)) {
		// 0.0 is okay here
		$GLOBALS['ext_current_version'] = '0.0';
	} else {
		// Add version
		$GLOBALS['ext_current_version'] = (string) $ext_ver;
	}
}

// Getter for current extension version
function getCurrentExtensionVersion () {
	return $GLOBALS['ext_current_version'];
}

// Remove the extension from global cache array
function removeExtensionFromArray () {
	// "Cache" this name
	$ext_name = getCurrentExtensionName();

	// Now loop through the whole cache
	foreach ($GLOBALS['cache_array']['extension'] as $cacheName => $cacheArray) {
		// Is it an element?
		if (isset($cacheArray[$ext_name])) {
			// Array element
			unset($cacheArray[$ext_name]);
			$GLOBALS['cache_array']['extension'][$cacheName] = $cacheArray;
		} else {
			// Maybe in array?
			$key = array_search($ext_name, $cacheArray);

			// Is it there?
			if ($key !== false) {
				// Found, so remove it
				unset($cacheArray[$key]);
				$GLOBALS['cache_array']['extension'][$cacheName] = $cacheArray;
			} // END - if
		}
	} // END - foreach
}

// "Getter" for 'extension has a CSS file' (with same name, of course)
function getExtensionHasCss () {
	// Default is no CSS
	$hasCss = 'N';

	// Construct FQFN for check
	$FQFN = sprintf("%stheme/%s/css/%s.css",
		getConfig('PATH'),
		getCurrentTheme(),
		getCurrentExtensionName()
	);

	// Is it there?
	if (isFileReadable($FQFN)) {
		// Readable, so it is there...
		$hasCss = 'Y';
	} // END - if

	// Return it
	return $hasCss;
}

// Checks wether the given extension has a language file
function ifExtensionHasLanguageFile ($ext_name) {
	// Default is no language file
	$hasLanguage = false;

	// Do we have cache?
	if (isset($GLOBALS['cache_array']['extension']['ext_lang'][$ext_name])) {
		// Then use it
		$hasLanguage = ($GLOBALS['cache_array']['extension']['ext_lang'][$ext_name] == 'Y');

		// Count cache hits
		incrementStatsEntry('cache_hits');
	} else {
		// Not readable is default
		$readable = 'N';

		// Is the language file readable for this extension?
		if (isLanguageIncludeReadable($ext_name)) {
			// Readable
			$readable = 'Y';
		} // END - if

		// Put it in cache
		$GLOBALS['cache_array']['extension']['ext_lang'][$ext_name] = 'Y';
	}

	// Return result
	return ($GLOBALS['cache_array']['extension']['ext_lang'][$ext_name] == 'Y');
}

// Load an extension's include file
function loadExtensionInclude () {
	// Is it readable?
	if (!isExtensionIncludeReadable()) {
		// Not readable
		debug_report_bug('Extension ' . getCurrentExtensionName() . ' should be loaded, but is not readable.');
	} // END - if

	// Generate INC name
	$INC = sprintf("inc/extensions/ext-%s.php", getCurrentExtensionName());

	// Load it
	loadInclude($INC);
}

// Checks wether an extension is readable
function isExtensionIncludeReadable ($ext_name = '') {
	// If empty, use current
	if (empty($ext_name)) $ext_name = getCurrentExtensionName();

	// Array found?
	if (!isset($GLOBALS['ext_inc_readable'][$ext_name])) {
		// Generate INC name
		$INC = sprintf("inc/extensions/ext-%s.php", getCurrentExtensionName());

		// Is it readable?
		$GLOBALS['ext_inc_readable'][$ext_name] = isIncludeReadable($INC);
	} // END - if

	// Return result
	//* DEBUG: */ print __FUNCTION__.': '.$ext_name.'='.intval($GLOBALS['ext_inc_readable'][$ext_name]).'
';
	return $GLOBALS['ext_inc_readable'][$ext_name];
}

// Checks if an extension's function file is readable
function isExtensionFunctionFileReadable ($ext_name) {
	if (isset($GLOBALS['cache_array']['extension']['ext_func'][$ext_name])) {
		// Just count cache hits
		incrementStatsEntry('cache_hits');
	} else {
		// Construct FQFN for functions file
		$funcsInclude = sprintf("inc/libs/%s_functions.php", $ext_name);

		// Is this include there?
		if ((isFileReadable($funcsInclude)) && (!isset($GLOBALS['ext_loaded']['funcs'][$ext_name])) && (getExtensionMode() == 'test')) {
			// Cache it!
			$GLOBALS['cache_array']['extension']['ext_func'][$ext_name] = 'Y';
		} else {
			// Cache it!
			$GLOBALS['cache_array']['extension']['ext_func'][$ext_name] = 'N';
		}
	}

	// Return result
	return ($GLOBALS['cache_array']['extension']['ext_func'][$ext_name] == 'Y');
}

// Adds an admin menu to the SQL queue of the menu entry is not found
function addAdminMenuSql ($action, $what, $title, $descr, $sort) {
	// Now check if this menu is there
	if (!isMenuActionValid('admin', $action, $what)) {
		// Is what null?
		if (is_null($what)) {
			// Add main menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_admin_menu` (`action`,`what`,`title`,`descr`,`sort`) VALUES('%s',NULL,'%s','%s',%s)",
				$action,
				$title,
				$descr,
				bigintval($sort)
			);
		} else {
			// Add sub menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_admin_menu` (`action`,`what`,`title`,`descr`,`sort`) VALUES('%s','%s','%s','%s',%s)",
				$action,
				$what,
				$title,
				$descr,
				bigintval($sort)
			);
		}

		// Add it to the queue
		addExtensionSql($sql);
	} elseif (isDebugModeEnabled()) {
		// Double menus should be located and fixed!
		logDebugMessage(__FUNCTION__, __LINE__, sprintf("Double admin menu action=%s, what=%s detected.", $action, $what));
	}
}

// Adds a guest menu to the SQL queue if the menu entry is not found
function addGuestMenuSql ($action, $what, $title, $visible, $locked, $sort) {
	// Now check if this menu is there
	if (!isMenuActionValid('guest', $action, $what)) {
		// Is what null?
		if (is_null($what)) {
			// Add main menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_guest_menu` (`action`,`what`,`title`,`visible`,`locked`,`sort`) VALUES('%s',NULL,'%s','%s','%s',%s)",
				$action,
				$title,
				$visible,
				$locked,
				bigintval($sort)
			);
		} else {
			// Add sub menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_guest_menu` (`action`,`what`,`title`,`visible`,`locked`,`sort`) VALUES('%s','%s','%s','%s','%s',%s)",
				$action,
				$what,
				$title,
				$visible,
				$locked,
				bigintval($sort)
			);
		}

		// Add it to the queue
		addExtensionSql($sql);
	} elseif (isDebugModeEnabled()) {
		// Double menus should be located and fixed!
		logDebugMessage(__FUNCTION__, __LINE__, sprintf("Double guest menu action=%s, what=%s detected.", $action, $what));
	}
}

// Adds a member menu to the SQL queue if the menu entry is not found
function addMemberMenuSql ($action, $what, $title, $visible, $locked, $sort) {
	// Now check if this menu is there
	if (!isMenuActionValid('member', $action, $what)) {
		// Is what null?
		if (is_null($what)) {
			// Add main menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_member_menu` (`action`,`what`,`title`,`visible`,`locked`,`sort`) VALUES('%s',NULL,'%s','%s','%s',%s)",
				$action,
				$title,
				$visible,
				$locked,
				bigintval($sort)
			);
		} else {
			// Add sub menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_member_menu` (`action`,`what`,`title`,`visible`,`locked`,`sort`) VALUES('%s','%s','%s','%s','%s',%s)",
				$action,
				$what,
				$title,
				$visible,
				$locked,
				bigintval($sort)
			);
		}

		// Add it to the queue
		addExtensionSql($sql);
	} elseif (isDebugModeEnabled()) {
		// Double menus should be located and fixed!
		logDebugMessage(__FUNCTION__, __LINE__, sprintf("Double member menu action=%s, what=%s detected.", $action, $what));
	}
}

// Adds a sponsor menu to the SQL queue if the menu entry is not found
function addSponsorMenuSql ($action, $what, $title, $active, $sort) {
	// Now check if this menu is there, if no ext-sponsor is installed all is not yet added
	if ((!isExtensionInstalled('sponsor')) || (!isMenuActionValid('sponsor', $action, $what))) {
		// Is what null?
		if (is_null($what)) {
			// Add main menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_sponsor_menu` (`action`,`what`,`title`,`active`,`sort`) VALUES('%s',NULL,'%s','%s',%s)",
				$action,
				$title,
				$active,
				bigintval($sort)
			);
		} else {
			// Add sub menu
			$sql = sprintf("INSERT INTO `{?_MYSQL_PREFIX?}_sponsor_menu` (`action`,`what`,`title`,`active`,`sort`) VALUES('%s','%s','%s','%s',%s)",
				$action,
				$what,
				$title,
				$active,
				bigintval($sort)
			);
		}

		// Add it to the queue
		addExtensionSql($sql);
	} elseif (isDebugModeEnabled()) {
		// Double menus should be located and fixed!
		logDebugMessage(__FUNCTION__, __LINE__, sprintf("Double sponsor menu action=%s, what=%s detected.", $action, $what));
	}
}

// Enables/disables productive mode for current extension (used only while
// registration).
function enableExtensionProductive ($isProductive = true) {
	$GLOBALS['ext_productive'][getCurrentExtensionName()] = (bool) $isProductive;
}

// Checks wether the extension is in productive phase. If not set, development
// phase (=false) is assumed.
function isExtensionProductive () {
	return ((isset($GLOBALS['ext_productive'][getCurrentExtensionName()])) && ($GLOBALS['ext_productive'][getCurrentExtensionName()] === true));
}

// [EOF]
?>