xists('debugmessage') && debugmessage();
	}
}

function output_replace($content) {
	global $_G;
	if(defined('IN_MODCP') || defined('IN_ADMINCP')) return $content;
	if(!empty($_G['setting']['output']['str']['search'])) {
		if(empty($_G['setting']['domain']['app']['default'])) {
			$_G['setting']['output']['str']['replace'] = str_replace('{CURHOST}', $_G['siteurl'], $_G['setting']['output']['str']['replace']);
		}
		$content = str_replace($_G['setting']['output']['str']['search'], $_G['setting']['output']['str']['replace'], $content);
	}
	if(!empty($_G['setting']['output']['preg']['search'])) {
		if(empty($_G['setting']['domain']['app']['default'])) {
			$_G['setting']['output']['preg']['search'] = str_replace('\{CURHOST\}', preg_quote($_G['siteurl'], '/'), $_G['setting']['output']['preg']['search']);
			$_G['setting']['output']['preg']['replace'] = str_replace('{CURHOST}', $_G['siteurl'], $_G['setting']['output']['preg']['replace']);
		}

		$content = preg_replace($_G['setting']['output']['preg']['search'], $_G['setting']['output']['preg']['replace'], $content);
	}

	return $content;
}

function output_ajax() {
	global $_G;
	$s = ob_get_contents();
	ob_end_clean();
	$s = preg_replace("/([\\x01-\\x08\\x0b-\\x0c\\x0e-\\x1f])+/", ' ', $s);
	$s = str_replace(array(chr(0), ']]>'), array(' ', ']]>'), $s);
	if(defined('DISCUZ_DEBUG') && DISCUZ_DEBUG && @include(libfile('function/debug'))) {
		function_exists('debugmessage') && $s .= debugmessage(1);
	}
	$havedomain = implode('', $_G['setting']['domain']['app']);
	if($_G['setting']['rewritestatus'] || !empty($havedomain)) {
        $s = output_replace($s);
	}
	return $s;
}

function runhooks() {
	if(!defined('HOOKTYPE')) {
		define('HOOKTYPE', !defined('IN_MOBILE') ? 'hookscript' : 'hookscriptmobile');
	}
	if(defined('CURMODULE')) {
		global $_G;
		if($_G['setting']['plugins'][HOOKTYPE.'_common']) {
			hookscript('common', 'global', 'funcs', array(), 'common');
		}
		hookscript(CURMODULE, $_G['basescript']);
	}
}

function hookscript($script, $hscript, $type = 'funcs', $param = array(), $func = '') {
	global $_G;
	static $pluginclasses;
	if($hscript == 'home') {
		if($script != 'spacecp') {
			$script = 'space_'.(!empty($_G['gp_do']) ? $_G['gp_do'] : (!empty($_GET['do']) ? $_GET['do'] : ''));
		} else {
			$script .= !empty($_G['gp_ac']) ? '_'.$_G['gp_ac'] : (!empty($_GET['ac']) ? '_'.$_GET['ac'] : '');
		}
	}
	if(!isset($_G['setting'][HOOKTYPE][$hscript][$script][$type])) {
		return;
	}
	if(!isset($_G['cache']['plugin'])) {
		loadcache('plugin');
	}
	foreach((array)$_G['setting'][HOOKTYPE][$hscript][$script]['module'] as $identifier => $include) {
		$hooksadminid[$identifier] = !$_G['setting'][HOOKTYPE][$hscript][$script]['adminid'][$identifier] || ($_G['setting'][HOOKTYPE][$hscript][$script]['adminid'][$identifier] && $_G['adminid'] > 0 && $_G['setting']['hookscript'][$hscript][$script]['adminid'][$identifier] >= $_G['adminid']);
		if($hooksadminid[$identifier]) {
			@include_once DISCUZ_ROOT.'./source/plugin/'.$include.'.class.php';
		}
	}
	if(@is_array($_G['setting'][HOOKTYPE][$hscript][$script][$type])) {
		$_G['inhookscript'] = true;
		$funcs = !$func ? $_G['setting'][HOOKTYPE][$hscript][$script][$type] : array($func => $_G['setting'][HOOKTYPE][$hscript][$script][$type][$func]);
		foreach($funcs as $hookkey => $hookfuncs) {
			foreach($hookfuncs as $hookfunc) {
				if($hooksadminid[$hookfunc[0]]) {
					$classkey = (HOOKTYPE != 'hookscriptmobile' ? '' : 'mobile').'plugin_'.($hookfunc[0].($hscript != 'global' ? '_'.$hscript : ''));
					if(!class_exists($classkey)) {
						continue;
					}
					if(!isset($pluginclasses[$classkey])) {
						$pluginclasses[$classkey] = new $classkey;
					}
					if(!method_exists($pluginclasses[$classkey], $hookfunc[1])) {
						continue;
					}
					$return = $pluginclasses[$classkey]->$hookfunc[1]($param);

					if(is_array($return)) {
						if(!isset($_G['setting']['pluginhooks'][$hookkey]) || is_array($_G['setting']['pluginhooks'][$hookkey])) {
							foreach($return as $k => $v) {
								$_G['setting']['pluginhooks'][$hookkey][$k] .= $v;
							}
						}
					} else {
						if(!is_array($_G['setting']['pluginhooks'][$hookkey])) {
							$_G['setting']['pluginhooks'][$hookkey] .= $return;
						} else {
							foreach($_G['setting']['pluginhooks'][$hookkey] as $k => $v) {
								$_G['setting']['pluginhooks'][$hookkey][$k] .= $return;
							}
						}
					}
				}
			}
		}
	}
	$_G['inhookscript'] = false;
}

function hookscriptoutput($tplfile) {
	global $_G;
	if(!empty($_G['hookscriptoutput'])) {
		return;
	}
	if(!empty($_G['gp_mobiledata'])) {
		require_once libfile('class/mobiledata');
		$mobiledata = new mobiledata();
		if($mobiledata->validator()) {
			$mobiledata->outputvariables();
		}
	}
	hookscript('global', 'global');
	if(defined('CURMODULE')) {
		$param = array('template' => $tplfile, 'message' => $_G['hookscriptmessage'], 'values' => $_G['hookscriptvalues']);
		hookscript(CURMODULE, $_G['basescript'], 'outputfuncs', $param);
	}
	$_G['hookscriptoutput'] = true;
}

function pluginmodule($pluginid, $type) {
	global $_G;
	if(!isset($_G['cache']['plugin'])) {
		loadcache('plugin');
	}
	list($identifier, $module) = explode(':', $pluginid);
	if(!is_array($_G['setting']['plugins'][$type]) || !array_key_exists($pluginid, $_G['setting']['plugins'][$type])) {
		showmessage('plugin_nonexistence');
	}
	if(!empty($_G['setting']['plugins'][$type][$pluginid]['url'])) {
		dheader('location: '.$_G['setting']['plugins'][$type][$pluginid]['url']);
	}
	$directory = $_G['setting']['plugins'][$type][$pluginid]['directory'];
	if(empty($identifier) || !preg_match("/^[a-z]+[a-z0-9_]*\/$/i", $directory) || !preg_match("/^[a-z0-9_\-]+$/i", $module)) {
		showmessage('undefined_action');
	}
	if(@!file_exists(DISCUZ_ROOT.($modfile = './source/plugin/'.$directory.$module.'.inc.php'))) {
		showmessage('plugin_module_nonexistence', '', array('mod' => $modfile));
	}
	return DISCUZ_ROOT.$modfile;
}
function updatecreditbyaction($action, $uid = 0, $extrasql = array(), $needle = '', $coef = 1, $update = 1, $fid = 0) {

	include_once libfile('class/credit');
	$credit = & credit::instance();
	if($extrasql) {
		$credit->extrasql = $extrasql;
	}
	return $credit->execrule($action, $uid, $needle, $coef, $update, $fid);
}

function checklowerlimit($action, $uid = 0, $coef = 1, $fid = 0, $returnonly = 0) {
	require_once libfile('function/credit');
	return _checklowerlimit($action, $uid, $coef, $fid, $returnonly);
}

function batchupdatecredit($action, $uids = 0, $extrasql = array(), $coef = 1, $fid = 0) {

	include_once libfile('class/credit');
	$credit = & credit::instance();
	if($extrasql) {
		$credit->extrasql = $extrasql;
	}
	return $credit->updatecreditbyrule($action, $uids, $coef, $fid);
}


function updatemembercount($uids, $dataarr = array(), $checkgroup = true, $operation = '', $relatedid = 0, $ruletxt = '') {
	if(!empty($uids) && (is_array($dataarr) && $dataarr)) {
		require_once libfile('function/credit');
		return _updatemembercount($uids, $dataarr, $checkgroup, $operation, $relatedid, $ruletxt);
	}
	return true;
}

function checkusergroup($uid = 0) {
	require_once libfile('class/credit');
	$credit = & credit::instance();
	$credit->checkusergroup($uid);
}

function checkformulasyntax($formula, $operators, $tokens) {
	$var = implode('|', $tokens);
	$operator = implode('', $operators);

	$operator = str_replace(
		array('+', '-', '*', '/', '(', ')', '{', '}', '\''),
		array('\+', '\-', '\*', '\/', '\(', '\)', '\{', '\}', '\\\''),
		$operator
	);

	if(!empty($formula)) {
		if(!preg_match("/^([$operator\.\d\(\)]|(($var)([$operator\(\)]|$)+))+$/", $formula) || !is_null(eval(preg_replace("/($var)/", "\$\\1", $formula).';'))){
			return false;
		}
	}
	return true;
}

function checkformulacredits($formula) {
	return checkformulasyntax(
		$formula,
		array('+', '-', '*', '/', ' '),
		array('extcredits[1-8]', 'digestposts', 'posts', 'threads', 'oltime', 'friends', 'doings', 'polls', 'blogs', 'albums', 'sharings')
	);
}

function debug($var = null, $vardump = false) {
	echo '<pre>';
	if($var === null) {
		print_r($GLOBALS);
	} else {
		if($vardump) {
			var_dump($var);
		} else {
			print_r($var);
		}
	}
	exit();
}

function debuginfo() {
	global $_G;
	if(getglobal('setting/debug')) {
		$db = & DB::object();
		$_G['debuginfo'] = array(
		    'time' => number_format((dmicrotime() - $_G['starttime']), 6),
		    'queries' => $db->querynum,
		    'memory' => ucwords($_G['memory'])
		    );
		if($db->slaveid) {
			$_G['debuginfo']['queries'] = 'Total '.$db->querynum.', Slave '.$db->slavequery;
		}
		return TRUE;
	} else {
		return FALSE;
	}
}

function getfocus_rand($module) {
	global $_G;

	if(empty($_G['setting']['focus']) || !array_key_exists($module, $_G['setting']['focus'])) {
		return null;
	}
	do {
		$focusid = $_G['setting']['focus'][$module][array_rand($_G['setting']['focus'][$module])];
		if(!empty($_G['cookie']['nofocus_'.$focusid])) {
			unset($_G['setting']['focus'][$module][$focusid]);
			$continue = 1;
		} else {
			$continue = 0;
		}
	} while(!empty($_G['setting']['focus'][$module]) && $continue);
	if(!$_G['setting']['focus'][$module]) {
		return null;
	}
	loadcache('focus');
	if(empty($_G['cache']['focus']['data']) || !is_array($_G['cache']['focus']['data'])) {
		return null;
	}
	return $focusid;
}

function check_seccode($value, $idhash) {
	global $_G;
	if(!$_G['setting']['seccodestatus']) {
		return true;
	}
	if(!isset($_G['cookie']['seccode'.$idhash])) {
		return false;
	}
	list($checkvalue, $checktime, $checkidhash, $checkformhash) = explode("\t", authcode($_G['cookie']['seccode'.$idhash], 'DECODE', $_G['config']['security']['authkey']));
	return $checkvalue == strtoupper($value) && TIMESTAMP - 180 > $checktime && $checkidhash == $idhash && FORMHASH == $checkformhash;
}

function check_secqaa($value, $idhash) {
	global $_G;
	if(!$_G['setting']['secqaa']) {
		return true;
	}
	if(!isset($_G['cookie']['secqaa'.$idhash])) {
		return false;
	}
	loadcache('secqaa');
	list($checkvalue, $checktime, $checkidhash, $checkformhash) = explode("\t", authcode($_G['cookie']['secqaa'.$idhash], 'DECODE', $_G['config']['security']['authkey']));
	return $checkvalue == md5($value) && TIMESTAMP - 180 > $checktime && $checkidhash == $idhash && FORMHASH == $checkformhash;
}

function adshow($parameter) {
	global $_G;
	if($_G['inajax']) {
		return;
	}
	$params = explode('/', $parameter);
	$customid = 0;
	$customc = explode('_', $params[0]);
	if($customc[0] == 'custom') {
		$params[0] = $customc[0];
		$customid = $customc[1];
	}
	$adcontent = null;
	if(empty($_G['setting']['advtype']) || !in_array($params[0], $_G['setting']['advtype'])) {
		$adcontent = '';
	}
	if($adcontent === null) {
		loadcache('advs');
		$adids = array();
		$evalcode = &$_G['cache']['advs']['evalcode'][$params[0]];
		$parameters = &$_G['cache']['advs']['parameters'][$params[0]];
		$codes = &$_G['cache']['advs']['code'][$_G['basescript']][$params[0]];
		if(!empty($codes)) {
			foreach($codes as $adid => $code) {
				$parameter = &$parameters[$adid];
				$checked = true;
				@eval($evalcode['check']);
				if($checked) {
					$adids[] = $adid;
				}
			}
			if(!empty($adids)) {
				$adcode = $extra = '';
				@eval($evalcode['create']);
				if(empty($notag)) {
					$adcontent = '<div'.($params[1] != '' ? ' class="'.$params[1].'"' : '').$extra.'>'.$adcode.'</div>';
				} else {
					$adcontent = $adcode;
				}
			}
		}
	}
	$adfunc = 'ad_'.$params[0];
	$_G['setting']['pluginhooks'][$adfunc] = null;
	hookscript('ad', 'global', 'funcs', array('params' => $params, 'content' => $adcontent), $adfunc);
	hookscript('ad', $_G['basescript'], 'funcs', array('params' => $params, 'content' => $adcontent), $adfunc);
	return $_G['setting']['pluginhooks'][$adfunc] === null ? $adcontent : $_G['setting']['pluginhooks'][$adfunc];
}

function showmessage($message, $url_forward = '', $values = array(), $extraparam = array(), $custom = 0) {
	require_once libfile('function/message');
	return dshowmessage($message, $url_forward, $values, $extraparam, $custom);
}

function submitcheck($var, $allowget = 0, $seccodecheck = 0, $secqaacheck = 0) {
	if(!getgpc($var)) {
		return FALSE;
	} else {
		global $_G;
		if(!empty($_G['gp_mobiledata'])) {
			require_once libfile('class/mobiledata');
			$mobiledata = new mobiledata();
			if($mobiledata->validator()) {
				return TRUE;
			}
		}
		if($allowget || ($_SERVER['REQUEST_METHOD'] == 'POST' && !empty($_G['gp_formhash']) && $_G['gp_formhash'] == formhash() && empty($_SERVER['HTTP_X_FLASH_VERSION']) && (empty($_SERVER['HTTP_REFERER']) ||
		preg_replace("/https?:\/\/([^\:\/]+).*/i", "\\1", $_SERVER['HTTP_REFERER']) == preg_replace("/([^\:]+).*/", "\\1", $_SERVER['HTTP_HOST'])))) {
			if(checkperm('seccode')) {
				if($secqaacheck && !check_secqaa($_G['gp_secanswer'], $_G['gp_sechash'])) {
					showmessage('submit_secqaa_invalid');
				}
				if($seccodecheck && !check_seccode($_G['gp_seccodeverify'], $_G['gp_sechash'])) {
					showmessage('submit_seccode_invalid');
				}
			}
			return TRUE;
		} else {
			showmessage('submit_invalid');
		}
	}
}

function multi($num, $perpage, $curpage, $mpurl, $maxpages = 0, $page = 10, $autogoto = FALSE, $simple = FALSE) {
	global $_G;
	$ajaxtarget = !empty($_G['gp_ajaxtarget']) ? " ajaxtarget=\"".htmlspecialchars($_G['gp_ajaxtarget'])."\" " : '';

	$a_name = '';
	if(strpos($mpurl, '#') !== FALSE) {
		$a_strs = explode('#', $mpurl);
		$mpurl = $a_strs[0];
		$a_name = '#'.$a_strs[1];
	}

	if(defined('IN_ADMINCP')) {
		$shownum = $showkbd = TRUE;
		$lang['prev'] = '&lsaquo;&lsaquo;';
		$lang['next'] = '&rsaquo;&rsaquo;';
	} else {
		$shownum = $showkbd = FALSE;
		if(defined('IN_MOBILE') && !defined('TPL_DEFAULT')) {
			$lang['prev'] = lang('core', 'prevpage');
			$lang['next'] = lang('core', 'nextpage');
		} else {
			$lang['prev'] = '&nbsp;&nbsp;';
			$lang['next'] = lang('core', 'nextpage');
		}
	}
	if(defined('IN_MOBILE') && !defined('TPL_DEFAULT')) {
		$dot = '..';
		$page = intval($page) < 10 && intval($page) > 0 ? $page : 4 ;
	} else {
		$dot = '...';
	}
	$multipage = '';
	$mpurl .= strpos($mpurl, '?') !== FALSE ? '&amp;' : '?';

	$realpages = 1;
	$_G['page_next'] = 0;
	$page -= strlen($curpage) - 1;
	if($page <= 0) {
		$page = 1;
	}
	if($num > $perpage) {

		$offset = floor($page * 0.5);

		$realpages = @ceil($num / $perpage);
		$pages = $maxpages && $maxpages < $realpages ? $maxpages : $realpages;

		if($page > $pages) {
			$from = 1;
			$to = $pages;
		} else {
			$from = $curpage - $offset;
			$to = $from + $page - 1;
			if($from < 1) {
				$to = $curpage + 1 - $from;
				$from = 1;
				if($to - $from < $page) {
					$to = $page;
				}
			} elseif($to > $pages) {
				$from = $pages - $page + 1;
				$to = $pages;
			}
		}
		$_G['page_next'] = $to;
		$multipage = ($curpage - $offset > 1 && $pages > $page ? '<a href="'.$mpurl.'page=1'.$a_name.'" class="first"'.$ajaxtarget.'>1 '.$dot.'</a>' : '').
		($curpage > 1 && !$simple ? '<a href="'.$mpurl.'page='.($curpage - 1).$a_name.'" class="prev"'.$ajaxtarget.'>'.$lang['prev'].'</a>' : '');
		for($i = $from; $i <= $to; $i++) {
			$multipage .= $i == $curpage ? '<strong>'.$i.'</strong>' :
			'<a href="'.$mpurl.'page='.$i.($ajaxtarget && $i == $pages && $autogoto ? '#' : $a_name).'"'.$ajaxtarget.'>'.$i.'</a>';
		}
		$multipage .= ($to < $pages ? '<a href="'.$mpurl.'page='.$pages.$a_name.'" class="last"'.$ajaxtarget.'>'.$dot.' '.$realpages.'</a>' : '').
		($curpage < $pages && !$simple ? '<a href="'.$mpurl.'page='.($curpage + 1).$a_name.'" class="nxt"'.$ajaxtarget.'>'.$lang['next'].'</a>' : '').
		($showkbd && !$simple && $pages > $page && !$ajaxtarget ? '<kbd><input type="text" name="custompage" size="3" onkeydown="if(event.keyCode==13) {window.location=\''.$mpurl.'page=\'+this.value; doane(event);}" /></kbd>' : '');

		$multipage = $multipage ? '<div class="pg">'.($shownum && !$simple ? '<em>&nbsp;'.$num.'&nbsp;</em>' : '').$multipage.'</div>' : '';
	}
	$maxpage = $realpages;
	return $multipage;
}

function simplepage($num, $perpage, $curpage, $mpurl) {
	$return = '';
	$lang['next'] = lang('core', 'nextpage');
	$lang['prev'] = lang('core', 'prevpage');
	$next = $num == $perpage ? '<a href="'.$mpurl.'&amp;page='.($curpage + 1).'" class="nxt">'.$lang['next'].'</a>' : '';
	$prev = $curpage > 1 ? '<span class="pgb"><a href="'.$mpurl.'&amp;page='.($curpage - 1).'">'.$lang['prev'].'</a></span>' : '';
	if($next || $prev) {
		$return = '<div class="pg">'.$prev.$next.'</div>';
	}
	return $return;
}

function censor($message, $modword = NULL, $return = FALSE) {
	global $_G;
	require_once libfile('class/censor');
	$censor = discuz_censor::instance();
	$censor->check($message, $modword);
	if($censor->modbanned() && $_G['group']['ignorecensor']) {
		$wordbanned = implode(', ', $censor->words_found);
		if($return) {
			return array('message' => lang('message', 'word_banned', array('wordbanned' => $wordbanned)));
		}
		if(!defined('IN_ADMINCP')) {
			showmessage('word_banned', '', array('wordbanned' => $wordbanned));
		} else {
			cpmsg(lang('message', 'word_banned'), '', 'error', array('wordbanned' => $wordbanned));
		}
	}
	if($_G['group']['allowposturl'] == 0 || $_G['group']['allowposturl'] == 2) {
		$urllist = get_url_list($message);
		if(is_array($urllist[1])) foreach($urllist[1] as $key => $val) {
			if(!$val = trim($val)) continue;
			if(!iswhitelist($val)) {
				if($_G['group']['allowposturl'] == 0) {
					showmessage('post_url_nopermission');
				} elseif($_G['group']['allowposturl'] == 2) {
					$message = str_replace('[url]'.$urllist[0][$key].'[/url]', $urllist[0][$key], $message);
					$message = preg_replace(
						array(
							"@\[url=".preg_quote($urllist[0][$key],'@')."\](.*?)\[/url\]@is",
							"@href=('|\")".preg_quote($urllist[0][$key],'@')."\\1@is",
							"@\[url\](.*?".preg_quote($urllist[0][$key],'@').".*?)\[/url\]@is",
						),
						array(
							'\\1',
							'',
							'\\1',
						),
						$message);
				}
			}
		}
	}
	return $message;
}

function censormod($message) {
	global $_G;
	if($_G['group']['ignorecensor']) {
		return false;
	}
	$modposturl = false;
	if($_G['group']['allowposturl'] == 1) {
		$urllist = get_url_list($message);
		if(is_array($urllist[1])) foreach($urllist[1] as $key => $val) {
			if(!$val = trim($val)) continue;
			if(!iswhitelist($val)) {
				$modposturl = true;
			}
		}
	}
	if($modposturl) {
		return true;
	}

	require_once libfile('class/censor');
	$censor = discuz_censor::instance();
	$censor->check($message);
	return $censor->modmoderated();
}

function space_merge(&$values, $tablename) {
	global $_G;

	$uid = empty($values['uid'])?$_G['uid']:$values['uid'];
	$var = "member_{$uid}_{$tablename}";
	if($uid) {
		if(!isset($_G[$var])) {
			$query = DB::query("SELECT * FROM ".DB::table('common_member_'.$tablename)." WHERE uid='$uid'");
			if($_G[$var] = DB::fetch($query)) {
				if($tablename == 'field_home') {
					$_G['setting']['privacy'] = empty($_G['setting']['privacy']) ? array() : (is_array($_G['setting']['privacy']) ? $_G['setting']['privacy'] : unserialize($_G['setting']['privacy']));
					$_G[$var]['privacy'] = empty($_G[$var]['privacy'])? array() : is_array($_G[$var]['privacy']) ? $_G[$var]['privacy'] : unserialize($_G[$var]['privacy']);
					foreach (array('feed','view','profile') as $pkey) {
						if(empty($_G[$var]['privacy'][$pkey]) && !isset($_G[$var]['privacy'][$pkey])) {
							$_G[$var]['privacy'][$pkey] = isset($_G['setting']['privacy'][$pkey]) ? $_G['setting']['privacy'][$pkey] : array();
						}
					}
					$_G[$var]['acceptemail'] = empty($_G[$var]['acceptemail'])? array() : unserialize($_G[$var]['acceptemail']);
					if(empty($_G[$var]['acceptemail'])) {
						$_G[$var]['acceptemail'] = empty($_G['setting']['acceptemail'])?array():unserialize($_G['setting']['acceptemail']);
					}
				}
			} else {
				DB::insert('common_member_'.$tablename, array('uid'=>$uid));
				$_G[$var] = array();
			}
		}
		$values = array_merge($values, $_G[$var]);
	}
}

function runlog($file, $message, $halt=0) {
	global $_G;

	$nowurl = $_SERVER['REQUEST_URI']?$_SERVER['REQUEST_URI']:($_SERVER['PHP_SELF']?$_SERVER['PHP_SELF']:$_SERVER['SCRIPT_NAME']);
	$log = dgmdate($_G['timestamp'], 'Y-m-d H:i:s')."\t".$_G['clientip']."\t$_G[uid]\t{$nowurl}\t".str_replace(array("\r", "\n"), array(' ', ' '), trim($message))."\n";
	writelog($file, $log);
	if($halt) {
		exit();
	}
}

function stripsearchkey($string) {
	$string = trim($string);
	$string = str_replace('*', '%', addcslashes($string, '%_'));
	$string = str_replace('_', '\_', $string);
	return $string;
}

function dmkdir($dir, $mode = 0777, $makeindex = TRUE){
	if(!is_dir($dir)) {
		dmkdir(dirname($dir), $mode, $makeindex);
		@mkdir($dir, $mode);
		if(!empty($makeindex)) {
			@touch($dir.'/index.html'); @chmod($dir.'/index.html', 0777);
		}
	}
	return true;
}

function dreferer($default = '') {
	global $_G;

	$default = empty($default) ? $GLOBALS['_t_curapp'] : '';
	$_G['referer'] = !empty($_G['gp_referer']) ? $_G['gp_referer'] : $_SERVER['HTTP_REFERER'];
	$_G['referer'] = substr($_G['referer'], -1) == '?' ? substr($_G['referer'], 0, -1) : $_G['referer'];

	if(strpos($_G['referer'], 'member.php?mod=logging')) {
		$_G['referer'] = $default;
	}
	$_G['referer'] = htmlspecialchars($_G['referer'], ENT_QUOTES);
	$_G['referer'] = str_replace('&amp;', '&', $_G['referer']);
	$reurl = parse_url($_G['referer']);
	if(!empty($reurl['host']) && !in_array($reurl['host'], array($_SERVER['HTTP_HOST'], 'www.'.$_SERVER['HTTP_HOST'])) && !in_array($_SERVER['HTTP_HOST'], array($reurl['host'], 'www.'.$reurl['host']))) {
		if(!in_array($reurl['host'], $_G['setting']['domain']['app']) && !isset($_G['setting']['domain']['list'][$reurl['host']])) {
			$domainroot = substr($reurl['host'], strpos($reurl['host'], '.')+1);
			if(empty($_G['setting']['domain']['root']) || (is_array($_G['setting']['domain']['root']) && !in_array($domainroot, $_G['setting']['domain']['root']))) {
				$_G['referer'] = $_G['setting']['domain']['defaultindex'] ? $_G['setting']['domain']['defaultindex'] : 'index.php';
			}
		}
	} elseif(empty($reurl['host'])) {
		$_G['referer'] = $_G['siteurl'].'./'.$_G['referer'];
	}
	return strip_tags($_G['referer']);
}

function ftpcmd($cmd, $arg1 = '') {
	static $ftp;
	$ftpon = getglobal('setting/ftp/on');
	if(!$ftpon) {
		return $cmd == 'error' ? -101 : 0;
	} elseif($ftp == null) {
		require_once libfile('class/ftp');
		$ftp = & discuz_ftp::instance();
	}
	if(!$ftp->enabled) {
		return $ftp->error();
	} elseif($ftp->enabled && !$ftp->connectid) {
		$ftp->connect();
	}
	switch ($cmd) {
		case 'upload' : return $ftp->upload(getglobal('setting/attachdir').'/'.$arg1, $arg1); break;
		case 'delete' : return $ftp->ftp_delete($arg1); break;
		case 'close'  : return $ftp->ftp_close(); break;
		case 'error'  : return $ftp->error(); break;
		case 'object' : return $ftp; break;
		default       : return false;
	}

}

function diconv($str, $in_charset, $out_charset = CHARSET, $ForceTable = FALSE) {
	global $_G;

	$in_charset = strtoupper($in_charset);
	$out_charset = strtoupper($out_charset);

	if(empty($str) || $in_charset == $out_charset) {
		return $str;
	}

	$out = '';

	if(!$ForceTable) {
		if(function_exists('iconv')) {
			$out = iconv($in_charset, $out_charset.'//IGNORE', $str);
		} elseif(function_exists('mb_convert_encoding')) {
			$out = mb_convert_encoding($str, $out_charset, $in_charset);
		}
	}

	if($out == '') {
		require_once libfile('class/chinese');
		$chinese = new Chinese($in_charset, $out_charset, true);
		$out = $chinese->Convert($str);
	}

	return $out;
}

function renum($array) {
	$newnums = $nums = array();
	foreach ($array as $id => $num) {
		$newnums[$num][] = $id;
		$nums[$num] = $num;
	}
	return array($nums, $newnums);
}

function getonlinenum($fid = 0, $tid = 0) {
	if($fid) {
		$sql = " AND fid='$fid'";
	}
	if($tid) {
		$sql = " AND tid='$tid'";
	}
	return DB::result_first('SELECT count(*) FROM '.DB::table("common_session")." WHERE 1 $sql");
}

function sizecount($size) {
	if($size >= 1073741824) {
		$size = round($size / 1073741824 * 100) / 100 . ' GB';
	} elseif($size >= 1048576) {
		$size = round($size / 1048576 * 100) / 100 . ' MB';
	} elseif($size >= 1024) {
		$size = round($size / 1024 * 100) / 100 . ' KB';
	} else {
		$size = $size . ' Bytes';
	}
	return $size;
}

function swapclass($class1, $class2 = '') {
	static $swapc = null;
	$swapc = isset($swapc) && $swapc != $class1 ? $class1 : $class2;
	return $swapc;
}

function writelog($file, $log) {
	global $_G;
	$yearmonth = dgmdate(TIMESTAMP, 'Ym', $_G['setting']['timeoffset']);
	$logdir = DISCUZ_ROOT.'./data/log/';
	$logfile = $logdir.$yearmonth.'_'.$file.'.php';
	if(@filesize($logfile) > 2048000) {
		$dir = opendir($logdir);
		$length = strlen($file);
		$maxid = $id = 0;
		while($entry = readdir($dir)) {
			if(strpos($entry, $yearmonth.'_'.$file) !== false) {
				$id = intval(substr($entry, $length + 8, -4));
				$id > $maxid && $maxid = $id;
			}
		}
		closedir($dir);

		$logfilebak = $logdir.$yearmonth.'_'.$file.'_'.($maxid + 1).'.php';
		@rename($logfile, $logfilebak);
	}
	if($fp = @fopen($logfile, 'a')) {
		@flock($fp, 2);
		$log = is_array($log) ? $log : array($log);
		foreach($log as $tmp) {
			fwrite($fp, "