<?php
/************************************************************************
 * MXChange v0.2.1                                    Start: 08/26/2003 *
 * ===============                              Last change: 11/29/2004 *
 *                                                                      *
 * -------------------------------------------------------------------- *
 * File              : mysql-manager.php                                *
 * -------------------------------------------------------------------- *
 * Short description : All MySQL-related functions                      *
 * -------------------------------------------------------------------- *
 * Kurzbeschreibung  : Alle MySQL-Relevanten Funktionen                 *
 * -------------------------------------------------------------------- *
 * $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                  *
 *                                                                      *
 * This program is free software; you can redistribute it and/or modify *
 * it under the terms of the GNU General Public License as published by *
 * the Free Software Foundation; either version 2 of the License, or    *
 * (at your option) any later version.                                  *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program; if not, write to the Free Software          *
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
 * MA  02110-1301  USA                                                  *
 ************************************************************************/

// Some security stuff...
if (!defined('__SECURITY')) {
	$INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
	require($INC);
}

// "Getter" for module title
function getModuleTitle ($mod) {
	// Init variables
	$name = '';
	$result = false;

	// Is the script installed?
	if (isInstalled()) {
		// Check if cache is valid
		if ((GET_EXT_VERSION('cache') >= '0.1.2') && (isset($GLOBALS['cache_array']['modules']['module'])) && (in_array($mod, $GLOBALS['cache_array']['modules']['module']))) {
			// Load from cache
			$name = $GLOBALS['cache_array']['modules']['title'][$mod];

			// Update cache hits
			incrementConfigEntry('cache_hits');
		} elseif (!EXT_IS_ACTIVE('cache')) {
			// Load from database
			$result = SQL_QUERY_ESC("SELECT title FROM `{!_MYSQL_PREFIX!}_mod_reg` WHERE `module`='%s' LIMIT 1",
			array($mod), __FUNCTION__, __LINE__);
			list($name) = SQL_FETCHROW($result);
			SQL_FREERESULT($result);
		}
	} // END - if

	// Trim name
	$name = trim($name);

	// Still no luck or empty title?
	if (empty($name)) {
		// No name found
		$name = sprintf("%s (%s)", getMessage('LANG_UNKNOWN_MODULE'), $mod);
		if (SQL_NUMROWS($result) == 0) {
			// Add module to database
			$dummy = checkModulePermissions($mod);
		} // END - if
	} // END - if

	// Return name
	return $name;
}

// "Getter" for module description
function getModuleDescription ($mode, $wht, $column = 'what') {
	// Fix empty 'what'
	if (empty($wht)) {
		$wht = 'welcome';
		if (getConfig('index_home') != '') $wht = getConfig('index_home');
	} // END - if

	// Default is not found
	$ret = '??? (' . $wht . ')';

	// Look for title
	$result = SQL_QUERY_ESC("SELECT title FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE %s='%s' LIMIT 1",
	array($mode, $column, $wht), __FUNCTION__, __LINE__);

	// Is there an entry?
	if (SQL_NUMROWS($result) == 1) {
		// Fetch the title
		list($ret) = SQL_FETCHROW($result);
	} // END - if

	// Free result
	SQL_FREERESULT($result);
	return $ret;
}

// Check validity of a given module name (no file extension)
function checkModulePermissions ($mod) {
	// Filter module name (names with low chars and underlines are fine!)
	$mod = preg_replace('/[^a-z_]/', '', $mod);

	// Check for prefix is a extension...
	$modSplit = explode("_", $mod);
	$extension = ''; $mod_chk = $mod;
	//* DEBUG: */ OUTPUT_HTML(__LINE__."*".count($modSplit)."*/".$mod."*<br />");
	if (count($modSplit) == 2) {
		// Okay, there is a seperator (_) in the name so is the first part a module?
		//* DEBUG: */ OUTPUT_HTML(__LINE__."*".$modSplit[0]."*<br />");
		if (EXT_IS_ACTIVE($modSplit[0])) {
			// The prefix is an extension's name, so let's set it
			$extension = $modSplit[0]; $mod = $modSplit[1];
		} // END - if
	} // END - if

	// Major error in module registry is the default
	$ret = 'major';

	// Check if script is installed if not return a 'done' to prevent some errors
	if ((!isInstalled()) || (isInstalling()) || (!isAdminRegistered())) {
		// Not installed or no admin registered or in installation phase
		return 'done';
	} // END - if

	// Init variables
	$locked = 'Y';
	$hidden = 'N';
	$admin  = 'N';
	$mem    = 'N';
	$found  = false;

	// Check if cache is latest version
	if (GET_EXT_VERSION('cache') >= '0.1.2') {
		// Is the cache there?
		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, 'Using cache.');
		if (!isset($GLOBALS['cache_array']['modules'])) {
			// This happens when a new extension is registered while ext-cache is installed
			$ret = 'cache_miss';
		} // END - if

		// Is the module cached?
		if (isset($GLOBALS['cache_array']['modules']['locked'][$mod_chk])) {
			// Check cache
			//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, 'Cache found.');
			$locked = $GLOBALS['cache_array']['modules']['locked'][$mod_chk];
			$hidden = $GLOBALS['cache_array']['modules']['hidden'][$mod_chk];
			$admin  = $GLOBALS['cache_array']['modules']['admin_only'][$mod_chk];
			$mem    = $GLOBALS['cache_array']['modules']['mem_only'][$mod_chk];

			// Update cache hits
			incrementConfigEntry('cache_hits');
			$found = true;
		} else {
			// No, then we have to update it!
			$ret = 'cache_miss';
		}
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Check for module in database
		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, 'Using database.');
		$result = SQL_QUERY_ESC("SELECT `locked`, `hidden`, `admin_only`, `mem_only` FROM `{!_MYSQL_PREFIX!}_mod_reg` WHERE `module`='%s' LIMIT 1",
			array($mod_chk), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			// Read data
			//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, 'Entry found.');
			list($locked, $hidden, $admin, $mem) = SQL_FETCHROW($result);
			$found = true;
		} elseif (isDebugModeEnabled()) {
			// Debug message only in debug-mode...
			DEBUG_LOG(__FUNCTION__, __LINE__, 'Module ' . $mod_chk . ' not found!');
		}

		// Free result
		SQL_FREERESULT($result);
	}
	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, 'ret=' . $ret);

	// Is the module found?
	if ($found === true) {
		// Check returned values against current access permissions
		//
		//  Admin access            ----- Guest access -----           --- Guest   or   member? ---
		if ((IS_ADMIN()) || (($locked == 'N') && ($admin == 'N') && (($mem == 'N') || (IS_MEMBER())))) {
			// Count module
			countModuleHit($mod_chk);

			// If you are admin you are welcome for everything!
			$ret = 'done';
		} elseif ($locked == 'Y') {
			// Module is locked
			$ret = 'locked';
		} elseif (($mem == 'Y') && (!IS_MEMBER())) {
			// You have to login first!
			$ret = 'mem_only';
		} elseif (($admin == 'Y') && (!IS_ADMIN())) {
			// Only the Admin is allowed to enter this module!
			$ret = 'admin_only';
		} else {
			// @TODO Nothing helped???
			DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("ret=%s,locked=%s,admin=%s,mem=%s",
				$ret,
				$locked,
				$admin,
				$mem
			));
		}
	} // END - if

	// Still no luck or not found?
	if (($found === false) && (!EXT_IS_ACTIVE('cache')) && ($ret != 'done'))  {
		//              ----- Legacy module -----                                               ---- Module in base folder  ----                       --- Module with extension's name ---
		if ((isIncludeReadable(sprintf("inc/modules/%s.php", $mod))) || (isIncludeReadable(sprintf("%s.php", $mod))) || (isIncludeReadable(sprintf("%s/%s.php", $extension, $mod)))) {
			// Data is missing so we add it
			if (GET_EXT_VERSION('sql_patches') >= '0.3.6') {
				// Since 0.3.6 we have a has_menu column, this took me a half hour
				// to find a loop here... *sigh*
				SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_mod_reg`
(`module`, `locked`, `hidden`, `mem_only`, `admin_only`, `has_menu`) VALUES
('%s','Y','N','N','N','N')", array($mod_chk), __FUNCTION__, __LINE__);
			} else {
				// Wrong/missing sql_patches!
				SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_mod_reg`
(`module`, `locked`, `hidden`, `mem_only`, `admin_only`) VALUES
('%s','Y','N','N','N')", array($mod_chk), __FUNCTION__, __LINE__);
			}

			// Everthing is fine?
			if (SQL_AFFECTEDROWS() < 1) {
				// Something bad happend!
				return 'major';
			} // END - if

			// Destroy cache here
			// @TODO Rewrite this to a filter
			rebuildCacheFiles('modreg', 'modreg');

			// And reload data
			$ret = checkModulePermissions($mod_chk);
		} else {
			// Module not found we don't add it to the database
			$ret = '404';
		}
	} elseif (($ret == 'cache_miss') && (getOutputMode() > -1)) {
		// Rebuild the cache files
		rebuildCacheFiles('modreg', 'modreg');
	} elseif ($found === false) {
		// Problem with module detected
		DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Problem in module %s detected. ret=%s, locked=%s, hidden=%s, mem=%s, admin=%s",
			$mod,
			$ret,
			$locked,
			$hidden,
			$mem,
			$admin
		));
	}

	// Return the value
	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, 'ret=' . $ret);
	return $ret;
}

// Add menu description pending on given file name (without path!)
function ADD_DESCR ($accessLevel, $FQFN, $return = false, $output = true) {
	// Use only filename of the FQFN...
	$file = basename($FQFN);

	// Init variables
	$LINK_ADD = '';
	$OUT = '';
	$AND = '';

	// First we have to do some analysis...
	if (substr($file, 0, 7) == 'action-') {
		// This is an action file!
		$type = 'action';
		$search = substr($file, 7);
		switch ($accessLevel) {
			case 'admin':
				$modCheck = 'admin';
				break;

			case 'sponsor':
			case 'guest':
			case 'member':
				$modCheck = getModule();
				break;
		}
		$AND = " AND (`what`='' OR `what` IS NULL)";
	} elseif (substr($file, 0, 5) == 'what-') {
		// This is an admin what file!
		$type = 'what';
		$search = substr($file, 5);
		$AND = '';
		switch ($accessLevel) {
			case 'admin':
				$modCheck = 'admin';
				break;

			case 'guest':
			case 'member':
				$modCheck = getModule();
				if (!IS_ADMIN()) {
					$AND = " AND `visible`='Y' AND `locked`='N'";
				}
				break;
		}

		$dummy = substr($search, 0, -4);
		$AND .= " AND `action`='".getModeAction($accessLevel, $dummy)."'";
	} elseif (($accessLevel == 'sponsor') || ($accessLevel == "engine")) {
		// Sponsor / engine menu
		$type     = 'what';
		$search   = $file;
		$modCheck = getModule();
		$AND      = '';
	} else {
		// Other
		$type     = 'menu';
		$search   = $file;
		$modCheck = getModule();
		$AND      = '';
	}

	// Begin the navigation line
	if ((!isset($GLOBALS['nav_depth'])) && (!$return)) {
		$GLOBALS['nav_depth'] = 0;
		$prefix = "<div class=\"you_are_here\">{--YOU_ARE_HERE--}&nbsp;<strong><a class=\"you_are_here\" href=\"{?URL?}/modules.php?module=".getModule().$LINK_ADD."\">Home</a></strong>";
	} else {
		if (!$return) $GLOBALS['nav_depth']++;
		$prefix = '';
	}

	$prefix .= '&nbsp;-&gt;&nbsp;';

	// We need to remove .php and the end
	if (substr($search, -4, 4) == '.php') {
		// Remove the .php
		$search = substr($search, 0, -4);
	} // END - i

	// Get the title from menu
	$result = SQL_QUERY_ESC("SELECT title FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE %s='%s' ".$AND." LIMIT 1",
	array($accessLevel, $type, $search), __FUNCTION__, __LINE__);

	// Menu found?
	if (SQL_NUMROWS($result) == 1) {
		// Load title
		list($ret) = SQL_FETCHROW($result);

		// Shall we return it?
		if ($return === true) {
			// Return title
			return $ret;
		} elseif (((GET_EXT_VERSION('sql_patches') >= '0.2.3') && (getConfig('youre_here') == 'Y')) || ((IS_ADMIN()) && ($modCheck == 'admin'))) {
			// Output HTML code
			$OUT = $prefix . "<strong><a class=\"you_are_here\" href=\"{?URL?}/modules.php?module=" . $modCheck . '&amp;' . $type . '=' . $search.$LINK_ADD . "\">" . $ret . "</a></strong>\n";

			// Can we close the you-are-here navigation?
			//* DEBUG: */ OUTPUT_HTML(__LINE__."*".$type.'/'.getWhat()."*<br />");
			if (($type == 'what') || (($type == 'action') && ((!isWhatSet()) || (getWhat() == 'overview')))) {
				//* DEBUG: */ OUTPUT_HTML(__LINE__.'+'.$type."+<br />");
				// Add closing div and br-tag
				$OUT .= "</div><br />\n";
				$GLOBALS['nav_depth'] = '0';

				// Run the filter chain
				$ret = runFilterChain('post_youhere_line', array('access_level' => $accessLevel, 'type' => $type, 'content' => ""));
				$OUT .= $ret['content'];
			} // END - if
		}
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Return or output HTML code?
	if ($output) {
		// Output HTML code here
		OUTPUT_HTML($OUT);
	} else {
		// Return HTML code
		return $OUT;
	}
}

//
function ADD_MENU ($mode, $act, $wht) {
	// Init some variables
	$main_cnt = 0;
	$AND = '';
	$main_action = '';
	$sub_what = '';

	// is the menu action valid?
	if (!isMenuActionValid($mode, $act, $wht, true)) {
		return getCode('MENU_NOT_VALID');
	} // END - if

	// Non-admin shall not see all menus
	if (!IS_ADMIN()) {
		$AND = " AND `visible`='Y' AND `locked`='N'";
	} // END - if

	// Load SQL data and add the menu to the output stream...
	$result_main = SQL_QUERY_ESC("SELECT `title`, `action` FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE (`what`='' OR `what` IS NULL)".$AND." ORDER BY `sort` ASC",
		array($mode), __FUNCTION__, __LINE__);
	//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$main_action.'/'.$sub_what.':'.getWhat()."*<br />");
	if (SQL_NUMROWS($result_main) > 0) {
		OUTPUT_HTML("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" class=\"".$mode."_menu\">");
		// There are menus available, so we simply display them... :)
		while ($content = SQL_FETCHARRAY($result_main)) {
			//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$content['action'].'/'.$sub_what.':'.getWhat()."*<br />");
			// Init variables
			enableBlockMode(false);
			$act = $content['action'];

			// Load menu header template
			LOAD_TEMPLATE($mode . '_menu_title', false, $content);

			// Sub menu
			$result_sub = SQL_QUERY_ESC("SELECT `title` AS sub_title, `what` AS sub_what FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE `action`='%s' AND `what` != '' AND `what` IS NOT NULL ".$AND." ORDER BY `sort`",
				array($mode, $content['action']), __FUNCTION__, __LINE__);

			// Get number of rows
			$ctl = SQL_NUMROWS($result_sub);

			// Do we have some entries?
			if ($ctl > 0) {
				// Init counter
				$cnt = 0;

				// Load all sub menus
				while ($content2 = SQL_FETCHARRAY($result_sub)) {
					// Merge both arrays in one
					$content = merge_array($content, $content2);

					// Init content
					$OUT = '';

					// Full file name for checking menu
					//* DEBUG: */ OUTPUT_HTML(__LINE__.":!!!!".$content['sub_what']."!!!<br />");
					$INC = sprintf("inc/modules/%s/what-%s.php", $mode, $content['sub_what']);
					if (isIncludeReadable($INC)) {
						if ((!empty($wht)) && (($wht == $content['sub_what']))) {
							$OUT = "<strong>";
						}

						// Navigation link
						$OUT .= "<a name=\"menu\" class=\"menu_blur\" href=\"{?URL?}/modules.php?module=".getModule()."&amp;what=".$content['sub_what']."\" target=\"_self\">";
					} else {
						$OUT .= "<em>";
					}

					// Menu title
					$OUT .= getConfig('menu_blur_spacer') . $content['sub_title'];

					if (isIncludeReadable($INC)) {
						$OUT .= "</a>";
					} else {
						$OUT .= "</em>";
					}

					if ((!empty($wht)) && (($wht == $content['sub_what']))) {
						$OUT .= "</strong>";
					} // END - if

					// Remember 'what' for next round and count it up
					$wht = $content['sub_what']; $cnt++;

					// Rewrite array
					$content =  array(
						'menu' => $OUT,
						'what' => $content['sub_what']
					);

					// Add regular menu row or bottom row?
					if ($cnt < $ctl) {
						LOAD_TEMPLATE($mode . '_menu_row', false, $content);
					} else {
						LOAD_TEMPLATE($mode . '_menu_bottom', false, $content);
					}
				}
			} else {
				// This is a menu block... ;-)
				enableBlockMode();

				// Load menu block
				$INC_BLOCK = sprintf("inc/modules/%s/action-%s.php", $mode, $content['action']);
				if (isFileReadable($INC_BLOCK)) {
					// Load include file
					if ((!EXT_IS_ACTIVE($content['action'])) || ($content['action'] == 'online')) OUTPUT_HTML("<tr>

  <td class=\"".$mode."_menu_whats\">");
					//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$content['action'].'/'.$content['sub_what'].':'.getWhat()."*<br />");
					loadInclude($INC_BLOCK);
					//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$content['action'].'/'.$content['sub_what'].':'.getWhat()."*<br />");
					if ((!EXT_IS_ACTIVE($content['action'])) || ($content['action'] == 'online')) OUTPUT_HTML("  </td>
</tr>");
				}
				//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$content['action'].'/'.$content['sub_what'].':'.getWhat()."*<br />");
			}
			$main_cnt++;
			//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$content['action'].'/'.$content['sub_what'].':'.getWhat()."*<br />");
			if (SQL_NUMROWS($result_main) > $main_cnt) {
				OUTPUT_HTML("<tr><td class=\"".$mode."_menu_seperator\"></td></tr>");
			} // END - if
		}

		// Free memory
		SQL_FREERESULT($result_main);

		// Close table
		//* DEBUG: */ OUTPUT_HTML(__LINE__.'/'.$main_cnt.'/'.$content['action'].'/'.$content['sub_what'].':'.getWhat()."*<br />");
		OUTPUT_HTML("</table>");
	} // END - if
}

// Checks wether the current user is a member
function IS_MEMBER () {
	// By default no member
	$ret = false;

	// Fix missing 'last' array, damn stupid code :(((
	// @TODO Try to rewrite this to one or more functions
	if ((!isset($GLOBALS['last'])) || (!is_array($GLOBALS['last']))) $GLOBALS['last'] = array();

	// is the cache entry there?
	if (isset($GLOBALS['is_member'])) {
		// Then return it
		return $GLOBALS['is_member'];
	} // END - if

	// Init global 'status'
	$GLOBALS['status'] = false;

	// Fix "deleted" cookies first
	fixDeletedCookies(array('userid', 'u_hash'));

	// Are cookies set?
	if ((isUserIdSet()) && (isSessionVariableSet('u_hash'))) {
		// Cookies are set with values, but are they valid?
		$result = SQL_QUERY_ESC("SELECT `password`, `status`, `last_module`, `last_online` FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `userid`=%s LIMIT 1",
			array(getUserId()), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			// Load data from cookies
			list($password, $GLOBALS['status'], $mod, $onl) = SQL_FETCHROW($result);

			// Validate password by created the difference of it and the secret key
			$valPass = generatePassString($password);

			// Transfer last module and online time
			if ((!empty($mod)) && (empty($GLOBALS['last']['module']))) {
				// @TODO Try to rewrite this to one or more functions
				$GLOBALS['last']['module'] = $mod;
				$GLOBALS['last']['online'] = $onl;
			} // END - if

			// So did we now have valid data and an unlocked user?
			if (($GLOBALS['status'] == 'CONFIRMED') && ($valPass == getSession('u_hash'))) {
				// Account is confirmed and all cookie data is valid so he is definely logged in! :-)
				$ret = true;
			} else {
				// Maybe got locked etc.
				//* DEBUG: */ OUTPUT_HTML(__LINE__."!!!<br />");
				destroyUserSession();
			}
		} else {
			// Cookie data is invalid!
			//* DEBUG: */ OUTPUT_HTML(__LINE__."***<br />");
			destroyUserSession();
		}

		// Free memory
		SQL_FREERESULT($result);
	} else {
		// Cookie data is invalid!
		//* DEBUG: */ OUTPUT_HTML(__LINE__."///<br />");
		destroyUserSession();
	}

	// Cache status
	$GLOBALS['is_member'] = $ret;

	// Return status
	return $ret;
}

// This patched function will reduce many SELECT queries for the specified or current admin login
function IS_ADMIN ($admin = '') {
	// Init variables
	$ret = false; $passCookie = ''; $valPass = '';
	//* DEBUG: */ OUTPUT_HTML(__LINE__."ADMIN:".$admin."<br />");

	// If admin login is not given take current from cookies...
	if ((empty($admin)) && (isSessionVariableSet('admin_login')) && (isSessionVariableSet('admin_md5'))) {
		// Get admin login and password from session/cookies
		$admin = getSession('admin_login');
		$passCookie = getSession('admin_md5');
	}
	//* DEBUG: */ OUTPUT_HTML(__LINE__."ADMIN:".$admin.'/'.$passCookie."<br />");

	// Search in array for entry
	if (isset($GLOBALS['cache_array']['admin_hash'])) {
		// Use cached string
		$valPass = $GLOBALS['cache_array']['admin_hash'];
	} elseif ((!empty($passCookie)) && (isset($GLOBALS['cache_array']['admins']['password'][$admin])) && (!empty($admin))) {
		// Login data is valid or not?
		$valPass = generatePassString($GLOBALS['cache_array']['admins']['password'][$admin]);

		// Cache it away
		$GLOBALS['cache_array']['admin_hash'] = $valPass;

		// Count cache hits
		incrementConfigEntry('cache_hits');
	} elseif ((!empty($admin)) && ((!EXT_IS_ACTIVE('cache'))) || (!isset($GLOBALS['cache_array']['admins']['password'][$admin]))) {
		// Search for admin
		$result = SQL_QUERY_ESC("SELECT HIGH_PRIORITY password FROM `{!_MYSQL_PREFIX!}_admins` WHERE login='%s' LIMIT 1",
		array($admin), __FUNCTION__, __LINE__);

		// Is he admin?
		$passDB = '';
		if (SQL_NUMROWS($result) == 1) {
			// Admin login was found so let's load password from DB
			list($passDB) = SQL_FETCHROW($result);

			// Temporary cache it
			$GLOBALS['cache_array']['admins']['password'][$admin] = $passDB;

			// Generate password hash
			$valPass = generatePassString($passDB);
		} // END - if

		// Free memory
		SQL_FREERESULT($result);
	}

	if (!empty($valPass)) {
		// Check if password is valid
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."*".$valPass.'/'.$passCookie."*<br />");
		$ret = (($valPass == $passCookie) || ((strlen($valPass) == 32) && ($valPass == md5($passCookie))) || (($valPass == "*FAILED*") && (!EXT_IS_ACTIVE('cache'))));
	} // END - if

	// Return result of comparision
	//* DEBUG: */ if (!$ret) OUTPUT_HTML(__LINE__."OK!<br />");
	return $ret;
}

// Generates a list of "max receiveable emails per day"
function addMaxReceiveList ($mode, $default = '', $return = false) {
	$OUT = '';
	$result = false;

	switch ($mode) {
		case 'guest':
			// Guests (in the registration form) are not allowed to select 0 mails per day.
			$result = SQL_QUERY("SELECT value, comment FROM `{!_MYSQL_PREFIX!}_max_receive` WHERE value > 0 ORDER BY value",
			__FUNCTION__, __LINE__);
			break;

		case 'member':
			// Members are allowed to set to zero mails per day (we will change this soon!)
			$result = SQL_QUERY("SELECT value, comment FROM `{!_MYSQL_PREFIX!}_max_receive` ORDER BY value",
			__FUNCTION__, __LINE__);
			break;

		default: // Invalid!
			DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Invalid mode %s detected.", $mode));
			break;
	}

	// Some entries are found?
	if (SQL_NUMROWS($result) > 0) {
		$OUT = '';
		while ($content = SQL_FETCHARRAY($result)) {
			$OUT .= "      <option value=\"".$content['value']."\"";
			if (REQUEST_POST('max_mails') == $content['value']) $OUT .= ' selected="selected"';
			$OUT .= ">".$content['value']." {--PER_DAY--}";
			if (!empty($content['comment'])) $OUT .= " (".$content['comment'].')';
			$OUT .= "</option>\n";
		}
		define('__MAX_RECEIVE_OPTIONS', $OUT);

		// Load template
		$OUT = LOAD_TEMPLATE($mode . '_receive_table', true);
	} else {
		// Maybe the admin has to setup some maximum values?
		debug_report_bug('Nothing is being done here?');
	}

	// Free result
	SQL_FREERESULT($result);

	if ($return === true) {
		// Return generated HTML code
		return $OUT;
	} else {
		// Output directly (default)
		OUTPUT_HTML($OUT);
	}
}

// Checks wether the given email address is used.
function isEmailTaken ($email) {
	// Query the database
	$result = SQL_QUERY_ESC("SELECT userid FROM `{!_MYSQL_PREFIX!}_user_data` WHERE email LIKE '{PER}%s{PER}' LIMIT 1",
	array($email), __FUNCTION__, __LINE__);

	// Is the email there?
	$ret = (SQL_NUMROWS($result) == 1);

	// Free the result
	SQL_FREERESULT($result);

	// Return result
	return $ret;
}

// Validate the given menu action
function isMenuActionValid ($mode, $act, $wht, $UPDATE=false) {
	// Is the cache entry there and we shall not update?
	if ((isset($GLOBALS['cache_array']['action_valid'][$mode][$act][$wht])) && ($UPDATE === false)) {
		// Count cache hit
		incrementConfigEntry('cache_hits');

		// Then use this cache
		return $GLOBALS['cache_array']['action_valid'][$mode][$act][$wht];
	} // END - if

	// By default nothing is valid
	$ret = false;

	// Look in all menus or only unlocked
	$add = '';
	if ((!IS_ADMIN()) && ($mode != 'admin')) $add = " AND `locked`='N'";

	//* DEBUG: */ OUTPUT_HTML(__LINE__.':'.$mode.'/'.$act.'/'.$wht."*<br />");
	if (($mode != 'admin') && ($UPDATE === true)) {
		// Update guest or member menu
		$sql = SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_%s_menu` SET counter=counter+1 WHERE `action`='%s' AND `what`='%s'".$add." LIMIT 1",
			array($mode, $act, $wht), __FUNCTION__, __LINE__, false);
	} elseif (($wht != 'overview') && (!empty($wht))) {
		// Other actions
		$sql = SQL_QUERY_ESC("SELECT `id`, `what` FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE `action`='%s' AND `what`='%s'".$add." ORDER BY `action` DESC LIMIT 1",
			array($mode, $act, $wht), __FUNCTION__, __LINE__, false);
	} else {
		// Admin login overview
		$sql = SQL_QUERY_ESC("SELECT `id`, `what` FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE `action`='%s' AND (`what`='' OR `what` IS NULL)".$add." ORDER BY `action` DESC LIMIT 1",
			array($mode, $act), __FUNCTION__, __LINE__, false);
	}

	// Run SQL command
	$result = SQL_QUERY($sql, __FUNCTION__, __LINE__);
	if ($UPDATE === true) {
		// Check updated/affected rows
		$ret = (SQL_AFFECTEDROWS() == 1);
	} else {
		// Check found rows
		$ret = (SQL_NUMROWS($result) == 1);
	}

	// Free memory
	SQL_FREERESULT($result);

	// Set cache entry
	$GLOBALS['cache_array']['action_valid'][$mode][$act][$wht] = $ret;

	// Return result
	return $ret;
}

//
function sendModeMails ($mod, $modes) {
	global $DATA;

	// Load hash
	$result_main = SQL_QUERY_ESC("SELECT `password` FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `userid`=%s AND `status`='CONFIRMED' LIMIT 1",
		array(getUserId()), __FUNCTION__, __LINE__);
	if (SQL_NUMROWS($result_main) == 1) {
		// Load hash from database
		list($hashDB) = SQL_FETCHROW($result_main);

		// Extract salt from cookie
		$salt = substr(getSession('u_hash'), 0, -40);

		// Now let's compare passwords
		$hash = generatePassString($hashDB);
		if (($hash == getSession('u_hash')) || (REQUEST_POST('pass1') == REQUEST_POST('pass2'))) {
			// Load user's data
			$result = SQL_QUERY_ESC("SELECT gender, surname, family, street_nr, country, zip, city, email FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `userid`=%s AND password='%s' LIMIT 1",
			array(getUserId(), $hashDB), __FUNCTION__, __LINE__);
			if (SQL_NUMROWS($result) == 1) {
				// Load the data
				$DATA = SQL_FETCHROW($result);

				// Free result
				SQL_FREERESULT($result);

				// Translate gender
				$DATA[0] = translateGender($DATA[0]);

				// Clear/init the content variable
				$content = '';
				$DATA['info'] = '';

				switch ($mod)
				{
					case 'mydata':
						foreach ($modes as $mode) {
							switch ($mode)
							{
								case 'normal': break; // Do not add any special lines

								case 'email': // Email was changed!
									$content = getMessage('MEMBER_CHANGED_EMAIL').": ".REQUEST_POST('old_addy')."\n";
									break;

								case 'pass': // Password was changed
									$content = getMessage('MEMBER_CHANGED_PASS')."\n";
									break;

								default:
									DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unknown mode %s detected.", $mode));
									$content = getMessage('MEMBER_UNKNOWN_MODE').": ".$mode."\n\n";
									break;
							} // END - switch
						} // END - if

						if (EXT_IS_ACTIVE('country')) {
							// Replace code with description
							$DATA[4] = COUNTRY_GENERATE_INFO(REQUEST_POST('country_code'));
						} // END - if

						// Merge content with data from POST
						$content = merge_array($content, REQUEST_POST_ARRAY());

						// Load template
						$message = LOAD_EMAIL_TEMPLATE('member_mydata_notify', $content, getUserId());

						if (getConfig('admin_notify') == 'Y') {
							// The admin needs to be notified about a profile change
							$message_admin = 'admin_mydata_notify';
							$sub_adm   = getMessage('ADMIN_CHANGED_DATA');
						} else {
							// No mail to admin
							$message_admin = '';
							$sub_adm   = '';
						}

						// Set subject lines
						$sub_mem = getMessage('MEMBER_CHANGED_DATA');

						// Output success message
						$content = "<span class=\"member_done\">{--MYDATA_MAIL_SENT--}</span>";
						break;

					default: // Unsupported module!
						DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Unsupported module %s detected.", $mod));
						$content = "<span class=\"member_failed\">{--UNKNOWN_MODULE--}</span>";
						break;
				} // END - switch
			} else {
				// Could not load profile data
				$content = "<span class=\"member_failed\">{--MEMBER_CANNOT_LOAD_PROFILE--}</span>";
			}
		} else {
			// Passwords mismatch
			$content = "<span class=\"member_failed\">{--MEMBER_PASSWORD_ERROR--}</span>";
		}
	} else {
		// Could not load profile
		$content = "<span class=\"member_failed\">{--MEMBER_CANNOT_LOAD_PROFILE--}</span>";
	}

	// Send email to user if required
	if ((!empty($sub_mem)) && (!empty($message))) {
		// Send member mail
		sendEmail($DATA[7], $sub_mem, $message);
	} // END - if

	// Send only if no other error has occured
	if (empty($content)) {
		if ((!empty($sub_adm)) && (!empty($message_admin))) {
			// Send admin mail
			sendAdminNotification($sub_adm, $message_admin, $content, getUserId());
		} elseif (getConfig('admin_notify') == 'Y') {
			// Cannot send mails to admin!
			$content = getMessage('CANNOT_SEND_ADMIN_MAILS');
		} else {
			// No mail to admin
			$content = "<span class=\"member_done\">{--MYDATA_MAIL_SENT--}</span>";
		}
	} // END - if

	// Load template
	LOAD_TEMPLATE('admin_settings_saved', false, $content);
}

// Update module counter
function countModuleHit($mod) {
	// Do count all other modules but not accesses on CSS file css.php!
	SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_mod_reg` SET `clicks`=`clicks`+1 WHERE `module`='%s' LIMIT 1",
		array($mod), __FUNCTION__, __LINE__);
}

// Get action value from mode (admin/guest/member) and what-value
function getModeAction ($mode, $wht) {
	// Init status
	$ret = '';

	//* DEBUG: */ OUTPUT_HTML(__LINE__.'='.$mode.'/'.$wht.'/'.getAction()."=<br />");
	if ((empty($wht)) && ($mode != 'admin')) {
		$wht = 'welcome';
		if (getConfig('index_home') != '') $wht = getConfig('index_home');
	} // END - if

	if ($mode == 'admin') {
		// Action value for admin area
		if (REQUEST_ISSET_GET('action')) {
			// Use from request!
			return REQUEST_GET('action');
		} elseif (isActionSet()) {
			// Get it directly from URL
			return getAction();
		} elseif (($wht == 'overview') || (!isWhatSet())) {
			// Default value for admin area
			$ret = 'login';
		}
	} elseif (isActionSet()) {
		// Get it directly from URL
		return getAction();
	}
	//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): ret=".$ret."<br />");

	// Does the module have a menu?
	if (MODULE_HAS_MENU($mode)) {
		// Rewriting modules to menu
		switch ($mode) {
			case 'index': $mode = 'guest';  break;
			case 'login': $mode = 'member'; break;
		} // END - switch

		// Guest and member menu is 'main' as the default
		if (empty($ret)) $ret = 'main';

		// Load from database
		$result = SQL_QUERY_ESC("SELECT action FROM `{!_MYSQL_PREFIX!}_%s_menu` WHERE `what`='%s' LIMIT 1",
		array($mode, $wht), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			// Load action value and pray that this one is the right you want... ;-)
			list($ret) = SQL_FETCHROW($result);
		} // END - if

		// Free memory
		SQL_FREERESULT($result);
	} elseif ((GET_EXT_VERSION('sql_patches') == '') && ($mode != 'admin')) {
		// No sql_patches installed, but maybe we need to register an admin?
		if (isAdminRegistered()) {
			// Redirect
			// @TODO Why does this lead into an endless loop but we still need it???
			// @TODO Commented out redirectToUrl('admin.php');
		} // END - if
	}

	// Return action value
	return $ret;
}

// Get category name back
function getCategory ($cid) {
	// Default is not found
	$ret = getMessage('_CATEGORY_404');

	// Is the category id set?
	if ($cid == '0') {
		// No category
		$ret = getMessage('_CATEGORY_NONE');
	} elseif ($cid > 0) {
		// Lookup the category in database
		$result = SQL_QUERY_ESC("SELECT cat FROM `{!_MYSQL_PREFIX!}_cats` WHERE `id`=%s LIMIT 1",
		array(bigintval($cid)), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			// Category found... :-)
			list($ret) = SQL_FETCHROW($result);
		} // END - if

		// Free result
		SQL_FREERESULT($result);
	} // END - if

	// Return result
	return $ret;
}

// Get a string of "mail title" and price back
function getPaymentTitlePrice ($pid, $full=false) {
	// Default is not found
	$ret = getMessage('_PAYMENT_404');

	// Load payment data
	$result = SQL_QUERY_ESC("SELECT mail_title, price FROM `{!_MYSQL_PREFIX!}_payments` WHERE `id`=%s LIMIT 1",
	array(bigintval($pid)), __FUNCTION__, __LINE__);
	if (SQL_NUMROWS($result) == 1) {
		// Payment type found... :-)
		if (!$full) {
			// Return only title
			list($ret) = SQL_FETCHROW($result);
		} else {
			// Return title and price
			list($t, $p) = SQL_FETCHROW($result);
			$ret = $t.' / '.translateComma($p).' {?POINTS?}';
		}
	}

	// Free result
	SQL_FREERESULT($result);

	// Return result
	return $ret;
}

// Get (basicly) the price of given payment id
function getPaymentPoints ($pid, $lookFor = 'price') {
	// Default value...
	$ret = '-1';

	// Search for it in database
	$result = SQL_QUERY_ESC("SELECT %s FROM `{!_MYSQL_PREFIX!}_payments` WHERE `id`=%s LIMIT 1",
	array($lookFor, $pid), __FUNCTION__, __LINE__);

	// Is the entry there?
	if (SQL_NUMROWS($result) == 1) {
		// Payment type found... :-)
		list($ret) = SQL_FETCHROW($result);
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Return value
	return $ret;
}

// Remove a receiver's ID from $receivers and add a link for him to confirm
function removeReceiver (&$receivers, $key, $uid, $pool_id, $stats_id = '', $bonus = false) {
	// Default is not removed
	$ret = 'failed';

	// Is the userid valid?
	if ($uid > 0) {
		// Remove entry from array
		unset($receivers[$key]);

		// Is there already a line for this user available?
		if ($stats_id > 0) {
			// Only when we got a real stats ID continue searching for the entry
			$type = 'NORMAL'; $rowName = 'stats_id';
			if ($bonus) { $type = 'BONUS'; $rowName = 'bonus_id'; }

			// Try to look the entry up
			$result = SQL_QUERY_ESC("SELECT `id` FROM `{!_MYSQL_PREFIX!}_user_links` WHERE %s='%s' AND `userid`=%s AND link_type='%s' LIMIT 1",
				array($rowName, $stats_id, bigintval($uid), $type), __FUNCTION__, __LINE__);

			// Was it *not* found?
			if (SQL_NUMROWS($result) == 0) {
				// So we add one!
				SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_user_links` (`%s`, `userid`, `link_type`) VALUES ('%s','%s','%s')",
					array($rowName, $stats_id, bigintval($uid), $type), __FUNCTION__, __LINE__);
				$ret = 'done';
			} else {
				// Already found
				$ret = 'already';
			}

			// Free memory
			SQL_FREERESULT($result);
		}
	}

	// Return status for sending routine
	return $ret;
}

// Calculate sum (default) or count records of given criteria
function GET_TOTAL_DATA ($search, $tableName, $lookFor = 'id', $whereStatement = 'userid', $countRows = false, $add = '') {
	$ret = 0;
	//* DEBUG: */ OUTPUT_HTML($search.'/'.$tableName.'/'.$lookFor.'/'.$whereStatement.'/'.$add.'<br />');
	if ((empty($search)) && ($search != '0')) {
		// Count or sum whole table?
		if ($countRows === true) {
			// Count whole table
			$result = SQL_QUERY_ESC("SELECT COUNT(`%s`) FROM `{!_MYSQL_PREFIX!}_%s`".$add,
				array($lookFor, $tableName), __FUNCTION__, __LINE__);
		} else {
			// Sum whole table
			$result = SQL_QUERY_ESC("SELECT SUM(`%s`) FROM `{!_MYSQL_PREFIX!}_%s`".$add,
				array($lookFor, $tableName), __FUNCTION__, __LINE__);
		}
	} elseif (($countRows === true) || ($lookFor == 'userid')) {
		// Count rows
		//* DEBUG: */ OUTPUT_HTML("COUNT!<br />");
		$result = SQL_QUERY_ESC("SELECT COUNT(`%s`) FROM `{!_MYSQL_PREFIX!}_%s` WHERE `%s`='%s'".$add,
			array($lookFor, $tableName, $whereStatement, $search), __FUNCTION__, __LINE__);
	} else {
		// Add all rows
		//* DEBUG: */ OUTPUT_HTML("SUM!<br />");
		$result = SQL_QUERY_ESC("SELECT SUM(`%s`) FROM `{!_MYSQL_PREFIX!}_%s` WHERE `%s`='%s'".$add,
			array($lookFor, $tableName, $whereStatement, $search), __FUNCTION__, __LINE__);
	}

	// Load row
	list($ret) = SQL_FETCHROW($result);

	// Free result
	SQL_FREERESULT($result);

	// Fix empty values
	if ((empty($ret)) && ($lookFor != 'counter') && ($lookFor != 'id') && ($lookFor != 'userid')) {
		// Float number
		$ret = '0.00000';
	} elseif (''.$ret.'' == '') {
		// Fix empty result
		$ret = '0';
	}

	// Return value
	return $ret;
}
// Getter fro ref level percents
function getReferalLevelPercents ($level) {
	// Default is zero
	$per = 0;

	// Do we have cache?
	if ((isset($GLOBALS['cache_array']['ref_depths']['level'])) && (EXT_IS_ACTIVE('cache'))) {
		// First look for level
		$key = array_search($level, $GLOBALS['cache_array']['ref_depths']['level']);
		if ($key !== false) {
			// Entry found!
			$per = $GLOBALS['cache_array']['ref_depths']['percents'][$key];

			// Count cache hit
			incrementConfigEntry('cache_hits');
		}
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Get referal data
		$result_lvl = SQL_QUERY_ESC("SELECT percents FROM `{!_MYSQL_PREFIX!}_refdepths` WHERE level='%s' LIMIT 1",
		array(bigintval($level)), __FUNCTION__, __LINE__);

		// Entry found?
		if (SQL_NUMROWS($result_lvl) == 1) {
			// Get percents
			list($per) = SQL_FETCHROW($result_lvl);
		} // END - if

		// Free result
		SQL_FREERESULT($result_lvl);
	}

	// Return percent
	return $per;
}

/**
 *
 * Dynamic referal system, can also send mails!
 *
 * subject     = Subject line, write in lower-case letters and underscore is allowed
 * uid         = Referal ID wich should receive...
 * points      = ... xxx points
 * send_notify = shall I send the referal an email or not?
 * rid         = inc/modules/guest/what-confirm.php need this (DEPRECATED???)
 * locked      = Shall I pay it to normal (false) or locked (true) points ammount?
 * add_mode    = Add points only to $uid or also refs? (WARNING! Changing 'ref' to 'direct'
 *               for default value will cause no referal will get points ever!!!)
 */
function ADD_POINTS_REFSYSTEM ($subject, $uid, $points, $send_notify = false, $rid = '0', $locked = false, $add_mode = 'ref') {
	//* DEBUG: */ OUTPUT_HTML("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
	global $DATA;

	// Convert mode to lower-case
	$add_mode = strtolower($add_mode);

	// When $uid = 0 add points to jackpot
	if ($uid == '0') {
		// Add points to jackpot
		ADD_JACKPOT($points);
		return;
	} // END - if

	// Add booking record if extension is installed
	if (EXT_IS_ACTIVE('booking')) {
		// Add record
		ADD_BOOKING_RECORD($subject, $uid, $points, 'add');
	} // END - if

	// Count up referal depth
	if (!isset($GLOBALS['ref_level'])) {
		// Initialialize referal system
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): Referal system initialized!<br />");
		$GLOBALS['ref_level'] = 0;
	} else {
		// Increase referal level
		$GLOBALS['ref_level']++;
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): Referal level increased. DEPTH={$GLOBALS['ref_level']}<br />");
	}

	// Default is 'normal' points
	$data = 'points';

	// Which points, locked or normal?
	if ($locked) $data = 'locked_points';

	// Check user account
	$result_user = SQL_QUERY_ESC("SELECT refid, email FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `userid`=%s AND `status`='CONFIRMED' LIMIT 1",
		array(bigintval($uid)), __FUNCTION__, __LINE__);

	//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},numRows=".SQL_NUMROWS($result_user).",points={$points}<br />");
	if (SQL_NUMROWS($result_user) == 1) {
		// This is the user and his ref
		list($ref, $email) = SQL_FETCHROW($result_user);
		$GLOBALS['cache_array']['add_uid'][$ref] = $uid;

		// Get percents
		$per = getReferalLevelPercents($GLOBALS['ref_level']);
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},points={$points},depth={$GLOBALS['ref_level']},per={$per},mode={$add_mode}<br />");

		// Some percents found?
		if ($per > 0) {
			// Calculate new points
			//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},points={$points},per={$per},depth={$GLOBALS['ref_level']}<br />");
			$ref_points = $points * $per / 100;

			// Pay refback here if level > 0 and in ref-mode
			if ((EXT_IS_ACTIVE('refback')) && ($GLOBALS['ref_level'] > 0) && ($per < 100) && ($add_mode == "ref") && (isset($GLOBALS['cache_array']['add_uid'][$uid]))) {
				//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},data={$GLOBALS['cache_array']['add_uid'][$uid]},ref_points={$ref_points},depth={$GLOBALS['ref_level']} - BEFORE!<br />");
				$ref_points = ADD_REFBACK_POINTS($GLOBALS['cache_array']['add_uid'][$uid], $uid, $points, $ref_points);
				//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},data={$GLOBALS['cache_array']['add_uid'][$uid]},ref_points={$ref_points},depth={$GLOBALS['ref_level']} - AFTER!<br />");
			} // END - if

			// Update points...
			SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_user_points` SET %s=%s+%s WHERE `userid`=%s AND ref_depth='%s' LIMIT 1",
			array($data, $data, $ref_points, bigintval($uid), bigintval($GLOBALS['ref_level'])), __FUNCTION__, __LINE__);
			//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):data={$data},ref_points={$ref_points},uid={$uid},depth={$GLOBALS['ref_level']},mode={$add_mode} - UPDATE! (".SQL_AFFECTEDROWS().")<br />");

			// No entry updated?
			if (SQL_AFFECTEDROWS() < 1) {
				// First ref in this level! :-)
				SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_user_points` (userid,ref_depth,%s) VALUES (%s,'%s',%s)",
				array($data, bigintval($uid), bigintval($GLOBALS['ref_level']), $ref_points), __FUNCTION__, __LINE__);
				//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):data={$data},ref_points={$ref_points},uid={$uid},depth={$GLOBALS['ref_level']},mode={$add_mode} - INSERTED! (".SQL_AFFECTEDROWS().")<br />");
			} // END - if

			// Update mediadata as well
			if (GET_EXT_VERSION('mediadata') >= '0.0.4') {
				// Update database
				MEDIA_UPDATE_ENTRY(array('total_points'), 'add', $ref_points);
			} // END - if

			// Points updated, maybe I shall send him an email?
			if (($send_notify) && ($ref > 0) && (!$locked)) {
				// Prepare content
				$content = array(
					'percent' => $per,
					'level'   => bigintval($GLOBALS['ref_level']),
					'points'  => $ref_points,
					'refid'   => bigintval($ref)
				);

				// Load email template
				$message = LOAD_EMAIL_TEMPLATE('confirm-referal', $content, bigintval($uid));

				sendEmail($email, THANX_REFERRAL_ONE, $message);
			} elseif (($send_notify) && ($ref == 0) && (!$locked) && ($add_mode == 'direct') && (!defined('__POINTS_VALUE'))) {
				// Direct payment shall be notified about
				define('__POINTS_VALUE', $ref_points);

				// Prepare content
				$content = array(
					'text'   => getMessage('REASON_DIRECT_PAYMENT'),
					'points' => translateComma($ref_points)
				);

				// Load message
				$message = LOAD_EMAIL_TEMPLATE('add-points', $content, $uid);

				// And sent it away
				sendEmail($email, getMessage('SUBJECT_DIRECT_PAYMENT'), $message);
				if (!REQUEST_ISSET_GET('mid')) LOAD_TEMPLATE('admin_settings_saved', false, getMessage('ADMIN_POINTS_ADDED'));
			}

			// Maybe there's another ref?
			if (($ref > 0) && ($points > 0) && ($ref != $uid) && ($add_mode == 'ref')) {
				// Then let's credit him here...
				//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$ref},points={$points} - ADVANCE!<br />");
				ADD_POINTS_REFSYSTEM(sprintf("%s_ref:%s", $subject, $GLOBALS['ref_level']), $ref, $points, $send_notify, $ref, $locked);
			} // END - if
		} // END - if
	} // END - if

	// Free result
	SQL_FREERESULT($result_user);
	//* DEBUG: */ OUTPUT_HTML("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
}

// Wrapper function for ADD_POINTS_REFSYSTEM()
function ADD_POINTS_REFSYSTEM_DIRECT ($subject, $uid, $points) {
	return ADD_POINTS_REFSYSTEM($subject, $uid, $points, false, 0, false, 'direct');
}

// Updates the referal counter
function updateReferalCounter ($uid) {
	// Make it sure referal level zero (member him-/herself) is at least selected
	if (empty($GLOBALS['cache_array']['ref_level'][$uid])) $GLOBALS['cache_array']['ref_level'][$uid] = 1;
	//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$GLOBALS['cache_array']['ref_level'][$uid]}<br />");

	// Update counter
	SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_refsystem` SET `counter`=`counter`+1 WHERE `userid`=%s AND `level`='%s' LIMIT 1",
		array(bigintval($uid), $GLOBALS['cache_array']['ref_level'][$uid]), __FUNCTION__, __LINE__);

	// When no entry was updated then we have to create it here
	//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):updated=".SQL_AFFECTEDROWS()."<br />");
	if (SQL_AFFECTEDROWS() < 1) {
		// First count!
		SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_refsystem` (`userid`, `level`, `counter`) VALUES (%s,%s,1)",
			array(bigintval($uid), $GLOBALS['cache_array']['ref_level'][$uid]), __FUNCTION__, __LINE__);
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid}<br />");
	} // END - if

	// Check for his referal
	$result = SQL_QUERY_ESC("SELECT `refid` FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `userid`=%s LIMIT 1",
		array(bigintval($uid)), __FUNCTION__, __LINE__);

	// Load refid
	list($ref) = SQL_FETCHROW($result);

	// Free memory
	SQL_FREERESULT($result);
	//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$ref}<br />");

	// When he has a referal...
	if (($ref > 0) && ($ref != $uid)) {
		// Move to next referal level and count his counter one up!
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):ref={$ref} - ADVANCE!<br />");
		$GLOBALS['cache_array']['ref_level'][$uid]++; updateReferalCounter($ref);
	} elseif ((($ref == $uid) || ($ref == 0)) && (GET_EXT_VERSION('cache') >= '0.1.2')) {
		// Remove cache here
		//* DEBUG: */ OUTPUT_HTML(__FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):ref={$ref} - CACHE!<br />");
		rebuildCacheFiles('refsystem', 'refsystem');
	}

	// "Walk" back here
	$GLOBALS['cache_array']['ref_level'][$uid]--;

	// Handle refback here if extension is installed
	if (EXT_IS_ACTIVE('refback')) {
		updateRefbackTable($uid);
	} // END - if
}

// Sends out mail to all administrators. This function is no longer obsolete
// because we need it when there is no ext-admins installed
function SEND_ADMIN_EMAILS ($subj, $message) {
	// Load all admin email addresses
	$result = SQL_QUERY("SELECT `email` FROM `{!_MYSQL_PREFIX!}_admins` ORDER BY `id` ASC", __FUNCTION__, __LINE__);
	while ($content = SQL_FETCHARRAY($result)) {
		// Send the email out
		sendEmail($content['email'], $subj, $message);
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Really simple... ;-)
}

// Get ID number from administrator's login name
function GET_ADMIN_ID ($login) {
	// By default no admin is found
	$ret = '-1';

	// Check cache
	if (isset($GLOBALS['cache_array']['admins']['aid'][$login])) {
		// Use it if found to save SQL queries
		$ret = $GLOBALS['cache_array']['admins']['aid'][$login];

		// Update cache hits
		incrementConfigEntry('cache_hits');
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Load from database
		$result = SQL_QUERY_ESC("SELECT `id` FROM `{!_MYSQL_PREFIX!}_admins` WHERE login='%s' LIMIT 1",
		array($login), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			list($ret) = SQL_FETCHROW($result);
		} // END - if

		// Free result
		SQL_FREERESULT($result);
	}
	return $ret;
}

// "Getter" for current admin id
function getCurrentAdminId () {
	// Get the admin login from session
	$adminLogin = getSession('admin_login');

	// "Solve" it into an id
	$adminId = GET_ADMIN_ID($adminLogin);

	// Secure and return it
	return bigintval($adminId);
}

// Get password hash from administrator's login name
function GET_ADMIN_HASH ($aid) {
	// By default an invalid hash is returned
	$ret = '-1';

	if (isset($GLOBALS['cache_array']['admins']['password'][$aid])) {
		// Check cache
		$ret = $GLOBALS['cache_array']['admins']['password'][$aid];

		// Update cache hits
		incrementConfigEntry('cache_hits');
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Load from database
		$result = SQL_QUERY_ESC("SELECT password FROM `{!_MYSQL_PREFIX!}_admins` WHERE `id`=%s LIMIT 1",
		array($aid), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			// Fetch data
			list($ret) = SQL_FETCHROW($result);

			// Set cache
			$GLOBALS['cache_array']['admins']['password'][$aid] = $ret;
		} // END - if

		// Free result
		SQL_FREERESULT($result);
	}
	return $ret;
}

// "Getter" for admin login
function getAdminLogin ($aid) {
	// By default a non-existent login is returned (other functions react on this!)
	$ret = '***';

	if (isset($GLOBALS['cache_array']['admins']['login'][$aid])) {
		// Get cache
		$ret = $GLOBALS['cache_array']['admins']['login'][$aid];

		// Update cache hits
		incrementConfigEntry('cache_hits');
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Load from database
		$result = SQL_QUERY_ESC("SELECT login FROM `{!_MYSQL_PREFIX!}_admins` WHERE `id`=%s LIMIT 1",
		array(bigintval($aid)), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) == 1) {
			// Fetch data
			list($ret) = SQL_FETCHROW($result);

			// Set cache
			$GLOBALS['cache_array']['admins']['login'][$aid] = $ret;
		} // END - if

		// Free memory
		SQL_FREERESULT($result);
	}
	return $ret;
}

// Get email address of admin id
function getAdminEmail ($aid) {
	// By default an invalid emails is returned
	$ret = '***';

	if (isset($GLOBALS['cache_array']['admins']['email'][$aid])) {
		// Get cache
		$ret = $GLOBALS['cache_array']['admins']['email'][$aid];

		// Update cache hits
		incrementConfigEntry('cache_hits');
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Load from database
		$result_aid = SQL_QUERY_ESC("SELECT email FROM `{!_MYSQL_PREFIX!}_admins` WHERE `id`=%s LIMIT 1",
		array(bigintval($aid)), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result_aid) == 1) {
			// Get data
			list($ret) = SQL_FETCHROW($result_aid);

			// Set cache
			$GLOBALS['cache_array']['admins']['email'][$aid] = $ret;
		} // END - if

		// Free result
		SQL_FREERESULT($result_aid);
	}

	// Return email
	return $ret;
}

// Get default ACL  of admin id
function getAdminDefaultAcl ($aid) {
	// By default an invalid ACL value is returned
	$ret = '***';

	// Is sql_patches there and was it found in cache?
	if (!EXT_IS_ACTIVE('sql_patches')) {
		// Not found, which is bad, so we need to allow all
		$ret =  'allow';
	} elseif (isset($GLOBALS['cache_array']['admins']['def_acl'][$aid])) {
		// Use cache
		$ret = $GLOBALS['cache_array']['admins']['def_acl'][$aid];

		// Update cache hits
		incrementConfigEntry('cache_hits');
	} elseif (!EXT_IS_ACTIVE('cache')) {
		// Load from database
		$result_aid = SQL_QUERY_ESC("SELECT default_acl FROM `{!_MYSQL_PREFIX!}_admins` WHERE `id`=%s LIMIT 1",
		array(bigintval($aid)), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result_aid) == 1) {
			// Fetch data
			list($ret) = SQL_FETCHROW($result_aid);

			// Set cache
			$GLOBALS['cache_array']['admins']['def_acl'][$aid] = $ret;
		}

		// Free result
		SQL_FREERESULT($result_aid);
	}

	// Return email
	return $ret;
}

// Generates an option list from various parameters
function generateOptionList ($table, $id, $name, $default='', $special='', $where='') {
	$ret = '';
	if ($table == '/ARRAY/') {
		// Selection from array
		if (is_array($id) && is_array($name) && count($id) == count($name)) {
			// Both are arrays
			foreach ($id as $idx => $value) {
				$ret .= '<option value="' . $value . '"';
				if ($default == $value) $ret .= ' selected="selected"';
				$ret .= '>' . $name[$idx] . '</option>';
			} // END - foreach
		} // END - if
	} else {
		// Data from database
		$SPEC = ', '.$id;
		if (!empty($special)) $SPEC = ', ' . $special;
		$ORDER = $name.$SPEC;
		if ($table == 'country') $ORDER = $special;
		$result = SQL_QUERY_ESC("SELECT %s, %s".$SPEC." FROM `{!_MYSQL_PREFIX!}_%s` ".$where." ORDER BY %s",
		array($id, $ORDER, $table, $name), __FUNCTION__, __LINE__);
		if (SQL_NUMROWS($result) > 0) {
			// Found data so add them as OPTION lines: $id is the value and $name is the "name" of the option
			// @TODO Try to rewrite this to $content = SQL_FETCHARRAY()
			while (list($value, $title, $add) = SQL_FETCHROW($result)) {
				if (empty($special)) $add = '';
				$ret .= '<option value="' . $value . '"';
				if ($default == $value) $ret .= ' selected="selected"';
				if (!empty($add)) $add = ' ('.$add.')';
				$ret .= '>' . $title . $add . '</option>';
			} // END - while

			// Free memory
			SQL_FREERESULT($result);
		} else {
			// No data found
			$ret = '<option value="x">{--SELECT_NONE--}</option>';
		}
	}

	// Return - hopefully - the requested data
	return $ret;
}
// Activate exchange
function activateExchange () {
	// Is the extension 'user' there?
	if (!EXT_IS_ACTIVE('user')) {
		// Silently abort here
		return false;
	} // END - if

	// Check total amount of users
	$totalUsers = GET_TOTAL_DATA('CONFIRMED', 'user_data', 'userid', 'status', true, ' AND max_mails > 0');

	if ($totalUsers >= getConfig('activate_xchange')) {
		// Activate System
		SET_SQLS(array(
			"UPDATE `{!_MYSQL_PREFIX!}_mod_reg` SET `locked`='N', `hidden`='N', `mem_only`='Y' WHERE `module`='order' LIMIT 1",
			"UPDATE `{!_MYSQL_PREFIX!}_member_menu` SET `visible`='Y', `locked`='N' WHERE `what`='order' OR `what`='unconfirmed' LIMIT 2",
		));

		// Run SQLs
		runFilterChain('run_sqls');

		// Update configuration
		updateConfiguration('activate_xchange' ,0);

		// Rebuild cache
		rebuildCacheFiles('modreg', 'modreg');
	} // END - if
}

// Deletes a user account with given reason
function deleteUserAccount ($uid, $reason) {
	$points = 0;
	$result = SQL_QUERY_ESC("SELECT (SUM(p.points) - d.used_points) AS points
FROM `{!_MYSQL_PREFIX!}_user_points` AS p
LEFT JOIN `{!_MYSQL_PREFIX!}_user_data` AS d
ON p.userid=d.userid
WHERE p.userid=%s", array(bigintval($uid)), __FUNCTION__, __LINE__);
	if (SQL_NUMROWS($result) == 1) {
		// Save his points to add them to the jackpot
		list($points) = SQL_FETCHROW($result);

		// Delete points entries as well
		SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_user_points` WHERE `userid`=%s", array(bigintval($uid)), __FUNCTION__, __LINE__);

		// Update mediadata as well
		if (GET_EXT_VERSION('mediadata') >= '0.0.4') {
			// Update database
			MEDIA_UPDATE_ENTRY(array('total_points'), 'sub', $points);
		} // END - if

		// Now, when we have all his points adds them do the jackpot!
		ADD_JACKPOT($points);
	} // END - if

	// Free the result
	SQL_FREERESULT($result);

	// Delete category selections as well...
	SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_user_cats` WHERE `userid`=%s",
	array(bigintval($uid)), __FUNCTION__, __LINE__);

	// Remove from rallye if found
	if (EXT_IS_ACTIVE('rallye')) {
		SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_rallye_users` WHERE `userid`=%s",
		array(bigintval($uid)), __FUNCTION__, __LINE__);
	} // END - if

	// Now a mail to the user and that's all...
	$message = LOAD_EMAIL_TEMPLATE('del-user', array('text' => $reason), $uid);
	sendEmail($uid, getMessage('ADMIN_DEL_ACCOUNT'), $message);

	// Ok, delete the account!
	SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `userid`=%s LIMIT 1", array(bigintval($uid)), __FUNCTION__, __LINE__);
}

// Generates meta description for given module and 'what' value
function generateMetaDescriptionCode ($mod, $wht) {
	// Exclude admin and member's area
	if (($mod != 'admin') && ($mod != 'login')) {
		// Construct dynamic description
		$DESCR = '{?MAIN_TITLE?} '.trim(getConfig('title_middle')) . ' ' . ADD_DESCR('guest', 'what-'.$wht, true);

		// Output it directly
		OUTPUT_HTML('<meta name="description" content="' . $DESCR . '" />');
	} // END - if

	// Remove depth
	unset($GLOBALS['ref_level']);
}

function GET_JACKPOT_POINTS () {
	// Default is zero
	$jackpot = '0.00000';

	// Read them
	$result = SQL_QUERY("SELECT `points` FROM `{!_MYSQL_PREFIX!}_jackpot` WHERE `ok`='ok' LIMIT 1", __FUNCTION__, __LINE__);

	// Do we have an entry?
	if (SQL_NUMROWS($result) == 0) {
		// No, so create line
		SQL_QUERY("INSERT INTO `{!_MYSQL_PREFIX!}_jackpot` (`ok`, `points`) VALUES ('ok','0.00000')", __FUNCTION__, __LINE__);
	} else {
		// Read the line
		list($jackpot) = SQL_FETCHROW($result);
	}

	// Free result
	SQL_FREERESULT($result);

	// Return them
	return $jackpot;
}

// Adds points to the jackpot
function ADD_JACKPOT ($points) {
	// Get jackpot points for dummy
	$jackpot = GET_JACKPOT_POINTS();

	// Update points
	SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_jackpot` SET `points`=`points`+%s WHERE `ok`='ok' LIMIT 1",
		array($points), __FUNCTION__, __LINE__);
}

// Subtracts points from the jackpot
function SUB_JACKPOT ($points) {
	// First failed
	$ret = '-1';

	// Get jackpot points for dummy
	$jackpot = GET_JACKPOT_POINTS();

	// Enougth points i jackpot?
	if ($jackpot >= $points) {
		// Update points when there are enougth points in jackpot
		SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_jackpot` SET `points`=`points`-%s WHERE `ok`='ok' LIMIT 1",
			array($points), __FUNCTION__, __LINE__);
		$ret = $jackpot - $points;
	} // END - if

	// Free memory
	SQL_FREERESULT($result);

	// Return the result
	return $ret;
}

// Checks wether the extension demo is actuve and the admin login is demo (password needs to be demo, too!)
function IS_DEMO () {
	return ((EXT_IS_ACTIVE('demo')) && (getSession('admin_login') == 'demo'));
}

// Gets the matching what name from module
function getWhatFromModule ($modCheck) {
	// Is the request element set?
	if (REQUEST_ISSET_GET('what')) {
		// Then return this!
		return REQUEST_GET('what');
	} // END - if

	// Default is empty
	$wht = '';

	//* DEBUG: */ OUTPUT_HTML(__LINE__.'!'.$modCheck."!<br />");
	switch ($modCheck) {
		case 'admin':
			$wht = 'overview';
			break;

		case 'login':
		case 'index':
			$wht = 'welcome';
			if (($modCheck == 'index') && (getConfig('index_home') != '')) $wht = getConfig('index_home');
			break;

		default:
			$wht = '';
			break;
	} // END - switch

	// Return what value
	return $wht;
}

// Subtract points from database and mediadata cache
function SUB_POINTS ($subject, $uid, $points) {
	// Add points to used points
	SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_user_data` SET `used_points`=`used_points`+%s WHERE `userid`=%s LIMIT 1",
		array($points, bigintval($uid)), __FUNCTION__, __LINE__);

	// Insert booking record
	// @TODO Rewrite this to a filter
	if (EXT_IS_ACTIVE('booking')) {
		// Add record
		ADD_BOOKING_RECORD($subject, $uid, $points, 'sub');
	} // END - if

	// Update mediadata as well
	if (GET_EXT_VERSION('mediadata') >= '0.0.4') {
		// Update database
		MEDIA_UPDATE_ENTRY(array('total_points'), 'sub', $points);
	} // END - if
}

// Prepares an SQL statement part for HTML mail and/or holiday depency
// @TODO Can this be rewritten to a filter?
function PREPARE_SQL_HTML_HOLIDAY ($mode) {
	// Exclude no users by default
	$MORE = '';

	// HTML mail?
	if ($mode == 'html') $MORE = " AND `html`='Y'";
	if (GET_EXT_VERSION('holiday') >= '0.1.3') {
		// Add something for the holiday extension
		$MORE .= " AND `holiday_active`='N'";
	} // END - if

	// Return result
	return $MORE;
}

// "Getter" for total available receivers
function getTotalReceivers ($mode='normal') {
	// Query database
	$result_all = SQL_QUERY("SELECT
	`userid`
FROM
	`{!_MYSQL_PREFIX!}_user_data`
WHERE
	`status`='CONFIRMED' AND `receive_mails` > 0 ".PREPARE_SQL_HTML_HOLIDAY($mode),
	__FUNCTION__, __LINE__);

	// Get num rows
	$numRows = SQL_NUMROWS($result_all);

	// Free result
	SQL_FREERESULT($result_all);

	// Return value
	return $numRows;
}

// Returns HTML code with an "<option> list" of all categories
function generateCategoryOptionsList ($mode) {
	// Prepare WHERE statement
	$whereStatement = " WHERE `visible`='Y'";
	if (IS_ADMIN()) $whereStatement = '';

	// Initialize array...
	$CATS = array(
		'id'   => array(),
		'name' => array(),
		'uids' => array()
	);

	// Get categories
	$result = SQL_QUERY("SELECT id, cat FROM `{!_MYSQL_PREFIX!}_cats`".$whereStatement." ORDER BY `sort`", __FUNCTION__, __LINE__);
	if (SQL_NUMROWS($result) > 0) {
		// ... and begin loading stuff
		while ($content = SQL_FETCHARRAY($result)) {
			// Transfer some data
			$CATS['id'][]   = $content['id'];
			$CATS['name'][] = $content['cat'];

			// Check which users are in this category
			$result_uids = SQL_QUERY_ESC("SELECT `userid` FROM `{!_MYSQL_PREFIX!}_user_cats` WHERE `cat_id`=%s",
				array(bigintval($content['id'])), __FUNCTION__, __LINE__);

			// Start adding all
			$uid_cnt = 0;
			// @TODO Rewrite this to $content = SQL_FETCHARRAY()
			while (list($ucat) = SQL_FETCHROW($result_uids)) {
				$result_ver = SQL_QUERY_ESC("SELECT
	`userid`
FROM
	`{!_MYSQL_PREFIX!}_user_data`
WHERE
	`userid`=%s AND `status`='CONFIRMED' AND `receive_mails` > 0".PREPARE_SQL_HTML_HOLIDAY($mode)."
LIMIT 1",
					array(bigintval($ucat)), __FUNCTION__, __LINE__);

				// Add user count
				$uid_cnt += SQL_NUMROWS($result_ver);

				// Free memory
				SQL_FREERESULT($result_ver);
			} // END - while

			// Free memory
			SQL_FREERESULT($result_uids);

			// Add counter
			$CATS['uids'][] = $uid_cnt;
		} // END - while

		// Free memory
		SQL_FREERESULT($result);

		// Generate options
		$OUT = '';
		foreach ($CATS['id'] as $key => $value) {
			if (strlen($CATS['name'][$key]) > 20) $CATS['name'][$key] = substr($CATS['name'][$key], 0, 17)."...";
			$OUT .= '      <option value="' . $value . '">' . $CATS['name'][$key] . ' (' . $CATS['uids'][$key] . ' {--USER_IN_CAT--})</option>';
		} // END - foreach
	} else {
		// No cateogries are defined yet
		$OUT = '<option class="member_failed">{!MEMBER_NO_CATS!}</option>';
	}

	// Return HTML code
	return $OUT;
}

// Add bonus mail to queue
function addBonusMailToQueue ($subject, $text, $receiverList, $points, $seconds, $url, $cat, $mode='normal', $receiver=0) {
	// Is admin or bonus extension there?
	if (!IS_ADMIN()) {
		// Abort here
		return false;
	} elseif (!EXT_IS_ACTIVE('bonus')) {
		// Abort here
		return false;
	}

	// Calculcate target sent
	$target = countSelection(explode(';', $receiverList));

	// Receiver is zero?
	if ($receiver == 0) {
		// Then auto-fix it
		$receiver = $target;
	} // END - if

	// HTML extension active?
	if (EXT_IS_ACTIVE('html_mail')) {
		// No HTML by default
		$HTML = 'N';

		// HTML mode?
		if ($mode == 'html') $HTML = 'Y';

		// Add HTML mail
		SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_bonus`
(`subject`, `text`, `receivers`, `points`, `time`, `data_type`, `timestamp`, `url`, `cat_id`, `target_send`, `mails_sent`, `html_msg`)
VALUES ('%s','%s','%s','%s','%s','NEW', UNIX_TIMESTAMP(),'%s','%s','%s','%s','%s')",
		array(
			$subject,
			$text,
			$receiverList,
			$points,
			$seconds,
			$url,
			$cat,
			$target,
			bigintval($receiver),
			$HTML
		), __FUNCTION__, __LINE__);
	} else {
		// Add regular mail
		SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_bonus`
(`subject`, `text`, `receivers`, `points`, `time`, `data_type`, `timestamp`, `url`, `cat_id`, `target_send`, `mails_sent`)
VALUES ('%s','%s','%s','%s','%s','NEW', UNIX_TIMESTAMP(),'%s','%s','%s','%s')",
		array(
			$subject,
			$text,
			$receiverList,
			$points,
			$seconds,
			$url,
			$cat,
			$target,
			bigintval($receiver),
		), __FUNCTION__, __LINE__);
	}
}

// Generate a receiver list for given category and maximum receivers
function generateReceiverList ($cat, $receiver, $mode = '') {
	// Init variables
	$CAT_TABS     = "%s";
	$CAT_WHERE    = '';
	$receiverList = '';
	$result       = false;

	// Secure data
	$cat      = bigintval($cat);
	$receiver = bigintval($receiver);

	// Is the receiver zero and mode set?
	if (($receiver == 0) && (!empty($mode))) {
		// Auto-fix receiver maximum
		$receiver = getTotalReceivers($mode);
	} // END - if

	// Category given?
	if ($cat > 0) {
		// Select category
		$CAT_TABS  = "LEFT JOIN `{!_MYSQL_PREFIX!}_user_cats` AS c ON d.userid=c.userid";
		$CAT_WHERE = " AND c.cat_id=%s";
	} // END - if

	// Exclude users in holiday?
	if (GET_EXT_VERSION('holiday') >= '0.1.3') {
		// Add something for the holiday extension
		$CAT_WHERE .= " AND d.`holiday_active`='N'";
	} // END - if

	if ((EXT_IS_ACTIVE('html_mail')) && ($mode == 'html')) {
		// Only include HTML receivers
		$result = SQL_QUERY_ESC("SELECT d.userid FROM `{!_MYSQL_PREFIX!}_user_data` AS d ".$CAT_TABS." WHERE d.`status`='CONFIRMED' AND d.`html`='Y'".$CAT_WHERE." ORDER BY d.%s %s LIMIT %s",
		array($cat, getConfig('order_select'), getConfig('order_mode'), $receiver), __FUNCTION__, __LINE__);
	} else {
		// Include all
		$result = SQL_QUERY_ESC("SELECT d.userid FROM `{!_MYSQL_PREFIX!}_user_data` AS d ".$CAT_TABS." WHERE d.`status`='CONFIRMED'".$CAT_WHERE." ORDER BY d.%s %s LIMIT %s",
		array($cat, getConfig('order_select'), getConfig('order_mode'), $receiver), __FUNCTION__, __LINE__);
	}

	// Entries found?
	if ((SQL_NUMROWS($result) >= $receiver) && ($receiver > 0)) {
		// Load all entries
		while ($content = SQL_FETCHARRAY($result)) {
			// Add receiver when not empty
			if (!empty($content['userid'])) $receiverList .= $content['userid'] . ';';
		} // END - while

		// Free memory
		SQL_FREERESULT($result);

		// Remove trailing semicolon
		$receiverList = substr($receiverList, 0, -1);
	} // END - if

	// Return list
	return $receiverList;
}

// Get timestamp for given stats type and data
function getTimestampFromUserStats ($type, $data, $uid = 0) {
	// Default timestamp is zero
	$stamp = 0;

	// User id set?
	if ((isUserIdSet()) && ($uid == 0)) {
		$uid = getUserId();
	} // END - if

	// Is the extension installed and updated?
	if ((!EXT_IS_ACTIVE('sql_patches')) || (EXT_VERSION_IS_OLDER('sql_patches', '0.5.6'))) {
		// Return zero here
		return $stamp;
	} // END - if

	// Try to find the entry
	$result = SQL_QUERY_ESC("SELECT
	UNIX_TIMESTAMP(`inserted`) AS stamp
FROM
	`{!_MYSQL_PREFIX!}_user_stats_data`
WHERE
	`userid`=%s AND `stats_type`='%s' AND `stats_data`='%s'
LIMIT 1",
		array(
			bigintval($uid),
			$type,
			$data
		), __FUNCTION__, __LINE__);

	// Is the entry there?
	if (SQL_NUMROWS($result) == 1) {
		// Get this stamp
		list($stamp) = SQL_FETCHROW($result);
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Return stamp
	return $stamp;
}

// Inserts user stats
function insertUserStatsRecord ($uid, $type, $data) {
	// Is the extension installed and updated?
	if ((!EXT_IS_ACTIVE('sql_patches')) || (EXT_VERSION_IS_OLDER('sql_patches', '0.5.6'))) {
		// Return zero here
		return false;
	} // END - if

	// Does it exist?
	if ((!getTimestampFromUserStats($type, $data, $uid)) && (!is_array($data))) {
		// Then insert it!
		SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_user_stats_data` (`userid`,`stats_type`,`stats_data`) VALUES (%s,'%s','%s')",
			array(bigintval($uid), $type, $data), __FUNCTION__, __LINE__);
	} elseif (is_array($data)) {
		// Invalid data!
		DEBUG_LOG(__FUNCTION__, __LINE__, "uid={$uid},type={$type},data={".gettype($data).": Invalid statistics data type!");
	}
}

// "Getter" for array for user refs and points in given level
function getUserReferalPoints ($uid, $level) {
	//* DEBUG: */ OUTPUT_HTML("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
	// Default is no refs and no nickname
	$add = '';
	$refs = array();

	// Do we have nickname extension installed?
	if (EXT_IS_ACTIVE('nickname')) {
		$add = ', ud.nickname';
	} // END - if

	// Get refs from database
	$result = SQL_QUERY_ESC("SELECT
	ur.id, ur.refid, ud.status, ud.last_online, ud.mails_confirmed, ud.emails_received".$add."
FROM
	`{!_MYSQL_PREFIX!}_user_refs` AS ur
LEFT JOIN
	`{!_MYSQL_PREFIX!}_user_points` AS up
ON
	ur.refid=up.userid AND ur.level=0
LEFT JOIN
	`{!_MYSQL_PREFIX!}_user_data` AS ud
ON
	ur.refid=ud.userid
WHERE
	ur.userid=%s AND ur.level=%s
ORDER BY ur.refid ASC",
		array(
			bigintval($uid),
			bigintval($level)
		), __FUNCTION__, __LINE__);

	// Are there some entries?
	if (SQL_NUMROWS($result) > 0) {
		// Fetch all entries
		while ($row = SQL_FETCHARRAY($result)) {
			// Get total points of this user
			$row['points'] = GET_TOTAL_DATA($row['refid'], 'user_points', 'points') - GET_TOTAL_DATA($row['refid'], 'user_data', 'used_points');

			// Get unconfirmed mails
			$row['unconfirmed']  = GET_TOTAL_DATA($row['refid'], 'user_links', 'id', 'userid', true);

			// Init clickrate with zero
			$row['clickrate'] = 0;

			// Is at least one mail received?
			if ($row['emails_received'] > 0) {
				// Calculate clickrate
				$row['clickrate'] = ($row['mails_confirmed'] / $row['emails_received'] * 100);
			} // END - if

			// Activity is 'active' by default because if autopurge is not installed
			$row['activity'] = getMessage('MEMBER_ACTIVITY_ACTIVE');

			// Is autopurge installed and the user inactive?
			if ((EXT_IS_ACTIVE('autopurge')) && ((time() - getConfig('ap_inactive_since')) >= $row['last_online']))  {
				// Inactive user!
				$row['activity'] = getMessage('MEMBER_ACTIVITY_INACTIVE');
			} // END - if

			// Remove some entries
			unset($row['mails_confirmed']);
			unset($row['emails_received']);
			unset($row['last_online']);

			// Add row
			$refs[$row['id']] = $row;
		} // END - while
	} // END - if

	// Free result
	SQL_FREERESULT($result);

	// Return result
	//* DEBUG: */ OUTPUT_HTML("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
	return $refs;
}

// Recuce the amount of received emails for the receipients for given email
function reduceRecipientReceivedMails ($column, $id, $count) {
	// Search for mail in database
	$result = SQL_QUERY_ESC("SELECT `userid` FROM `{!_MYSQL_PREFIX!}_user_links` WHERE `%s`=%s ORDER BY `userid` ASC LIMIT %s",
		array($column, bigintval($id), $count), __FUNCTION__, __LINE__);

	// Are there entries?
	if (SQL_NUMROWS($result) > 0) {
		// Now load all userids for one big query!
		// @TODO This can be somehow rewritten
		$UIDs = array();
		while (list($uid) = SQL_FETCHROW($result)) {
			$UIDs[$uid] = $uid;
		} // END - while

		// Now update all user accounts
		SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_user_data` SET `emails_received`=`emails_received`-1 WHERE `userid` IN (%s) LIMIT %s",
			array(implode(',', $UIDs), count($UIDs)), __FUNCTION__, __LINE__);
	} // END - if

	// Free result
	SQL_FREERESULT($result);
}

// Init SQLs array
function INIT_SQLS () {
	SET_SQLS(array());
}

// Checks wether the sqls array is initialized
function IS_SQLS_INITIALIZED () {
	return ((isset($GLOBALS['sqls'])) && (is_array($GLOBALS['sqls'])));
}

// Setter for SQLs array
function SET_SQLS ($SQLs) {
	$GLOBALS['sqls'] = (array) $SQLs;
}

// Remover for SQLs array
function UNSET_SQLS () {
	unset($GLOBALS['sqls']);
}

// Getter for SQLs array
function GET_SQLS () {
	return $GLOBALS['sqls'];
}

// Add an SQL to the list
function ADD_SQL ($sql) {
	//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("sql=%s, count=%d", $sql, COUNT_SQLS()));
	$GLOBALS['sqls'][] = (string) $sql;
}

// Setter for SQLs key
function SET_SQL_KEY ($key, $value) {
	$GLOBALS['sqls'][$key] = (string) $value;
}

// Merge SQLs together
function MERGE_SQLS ($SQLs) {
	SET_SQLS(merge_array(GET_SQLS(), $SQLs));
}

// Counter for SQLs array
function COUNT_SQLS () {
	// Default is false
	$count = false;

	// Is the array there?
	if (IS_SQLS_INITIALIZED()) {
		// Then count it
		$count = count($GLOBALS['sqls']);
		//* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("count=%d", $count));
	} // END - if

	// Return it
	return $count;
}

// Checks wether the SQLs array is filled
function IS_SQLS_VALID () {
	return (
		(IS_SQLS_INITIALIZED())
		&&
		(COUNT_SQLS() > 0)
	);
}

// Creates a new task
function createNewTask($subject, $notes, $taskType, $userid = 0, $admin_id = 0, $strip = true) {
	// Insert the task data into the database
	SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (`assigned_admin`, `userid`, `status`, `task_type`, `subject`, `text`, `task_created`) VALUES (%s,%s,'NEW','%s','%s','%s', UNIX_TIMESTAMP())",
		array($admin_id, $userid, $taskType, $subject, $notes), __FUNCTION__, __LINE__, true, $strip);
}

// [EOF]
?>