Destoon核心-PHP源码

作者：刻骨铭心2502914183_610 | 来源：互联网 | 2018-03-23 10:53
Destoon核心
1. [代码]Destoon 核心

 $val) $string[$key] = daddslashes($val);
	return $string;
}

function dstripslashes($string) {
	if(!is_array($string)) return stripslashes($string);
	foreach($string as $key => $val) $string[$key] = dstripslashes($val);
	return $string;
}

function dsafe($string) {
	if(is_array($string)) {
		return array_map(&＃39;dsafe&＃39;, $string);
	} else {
		if(strlen($string) <20) return $string;
		$match = array("/&＃([a-z0-9]+)([;]*)/i", "/(j[\s\r\n\t]*a[\s\r\n\t]*v[\s\r\n\t]*a[\s\r\n\t]*s[\s\r\n\t]*c[\s\r\n\t]*r[\s\r\n\t]*i[\s\r\n\t]*p[\s\r\n\t]*t|jscript|js|Vbscript|vbs|about|expression|script|frame|link|import)/i", "/on(mouse|exit|error|click|dblclick|key|load|unload|change|move|submit|reset|cut|copy|select|start|stop)/i");
		$replace = array("", "\\1", "on\n\\1");
		return preg_replace($match, $replace, $string);
	}
}

function dtrim($string, $js = false) {
	$string = str_replace(array(chr(10), chr(13)), array(&＃39;&＃39;, &＃39;&＃39;), $string);
	return $js ? str_replace("&＃39;", "\&＃39;", $string) : $string;
}

function dheader($url) {
	global $DT;	
	if(!defined(&＃39;DT_ADMIN&＃39;) && $DT[&＃39;defend_reload&＃39;]) sleep($DT[&＃39;defend_reload&＃39;]);
	exit(header(&＃39;location:&＃39;.$url));
}

function dmsg($dmsg = &＃39;&＃39;, $dforward = &＃39;&＃39;) {
	if(!$dmsg && !$dforward) {
		$dmsg = get_COOKIE(&＃39;dmsg&＃39;);
		if($dmsg) {
			echo &＃39;&＃39;;
			set_COOKIE(&＃39;dmsg&＃39;, &＃39;&＃39;);
		}
	} else {
		set_COOKIE(&＃39;dmsg&＃39;, $dmsg);
		$dforward = preg_replace("/(.*)([&?]rand=[0-9]*)(.*)/i", "\\1\\3", $dforward);
		$dforward = str_replace(&＃39;.php&&＃39;, &＃39;.php?&＃39;, $dforward);
		$dforward = strpos($dforward, &＃39;?&＃39;) === false ? $dforward.&＃39;?rand=&＃39;.mt_rand(10, 99) : str_replace(&＃39;?&＃39;, &＃39;?rand=&＃39;.mt_rand(10, 99).&＃39;&&＃39;, $dforward);
		dheader($dforward);
	}
}

function dalert($dmessage = errmsg, $dforward = &＃39;&＃39;, $extend = &＃39;&＃39;) {
	global $CFG, $DT;
	exit(include template(&＃39;alert&＃39;, &＃39;message&＃39;));
}

function dsubstr($string, $length, $suffix = &＃39;&＃39;, $start = 0) {
	if($start) {
		$tmp = dsubstr($string, $start);
		$string = substr($string, strlen($tmp));
	}
	$strlen = strlen($string);
	if($strlen <= $length) return $string;
	$string = str_replace(array(&＃39;"&＃39;, &＃39;<&＃39;, &＃39;>&＃39;), array(&＃39;"&＃39;, &＃39;<&＃39;, &＃39;>&＃39;), $string);
	$length = $length - strlen($suffix);
	$str = &＃39;&＃39;;
	if(strtolower(DT_CHARSET) == &＃39;utf-8&＃39;) {
		$n = $tn = $noc = 0;
		while($n <$strlen)	{
			$t = ord($string{$n});
			if($t == 9 || $t == 10 || (32 <= $t && $t <= 126)) {
				$tn = 1; $n++; $noc++;
			} elseif(194 <= $t && $t <= 223) {
				$tn = 2; $n += 2; $noc += 2;
			} elseif(224 <= $t && $t <= 239) {
				$tn = 3; $n += 3; $noc += 2;
			} elseif(240 <= $t && $t <= 247) {
				$tn = 4; $n += 4; $noc += 2;
			} elseif(248 <= $t && $t <= 251) {
				$tn = 5; $n += 5; $noc += 2;
			} elseif($t == 252 || $t == 253) {
				$tn = 6; $n += 6; $noc += 2;
			} else {
				$n++;
			}
			if($noc >= $length) break;
		}
		if($noc > $length) $n -= $tn;
		$str = substr($string, 0, $n);
	} else {
		for($i = 0; $i <$length; $i++) {
			$str .= ord($string{$i}) > 127 ? $string{$i}.$string{++$i} : $string{$i};
		}
	}
	$str = str_replace(array(&＃39;"&＃39;, &＃39;<&＃39;, &＃39;>&＃39;), array(&＃39;"&＃39;, &＃39;<&＃39;, &＃39;>&＃39;), $str);
	return $str == $string ? $str : $str.$suffix;
}

function encrypt($txt, $key = &＃39;&＃39;) {
	$rnd = md5(microtime());
	$len = strlen($txt);
	$ren = strlen($rnd);
	$ctr = 0;
	$str = &＃39;&＃39;;
	for($i = 0; $i <$len; $i++) {
		$ctr = $ctr == $ren ? 0 : $ctr;
		$str .= $rnd[$ctr].($txt[$i] ^ $rnd[$ctr++]);
	}
	return str_replace(&＃39;=&＃39;, &＃39;&＃39;, base64_encode(kecrypt($str, $key)));
}

function decrypt($txt, $key = &＃39;&＃39;) {
	$txt = kecrypt(base64_decode($txt), $key);
	$len = strlen($txt);
	$str = &＃39;&＃39;;
	for($i = 0; $i <$len; $i++) {
		$tmp = $txt[$i];
		$str .= $txt[++$i] ^ $tmp;
	}
	return $str;
}

function kecrypt($txt, $key) {
	$key = md5($key);
	$len = strlen($txt);
	$ken = strlen($key);
	$ctr = 0;
	$str = &＃39;&＃39;;
	for($i = 0; $i <$len; $i++) {
		$ctr = $ctr == $ken ? 0 : $ctr;
		$str .= $txt[$i] ^ $key[$ctr++];
	}
	return $str;
}

function strtohex($str) {
	$hex = &＃39;&＃39;;
	for($i = 0; $i  filemtime($to) || (filesize($to) == 0 && filesize($from) > 0)) {
			require_once DT_ROOT.&＃39;/include/template.func.php&＃39;;
			template_compile($from, $to);
		}
	}
	return $to;
}

function ob_template($template, $dir = &＃39;&＃39;) {
	extract($GLOBALS, EXTR_SKIP);
	ob_start();
	include template($template, $dir);
	$cOntents= ob_get_contents();
	ob_clean();
	return $contents;
}

function message($dmessage = errmsg, $dforward = &＃39;goback&＃39;, $dtime = 1) {
	global $CFG, $DT;
	if(!$dmessage && $dforward && $dforward != &＃39;goback&＃39;) dheader($dforward);
	exit(include template(&＃39;message&＃39;, &＃39;message&＃39;));
}

function login() {
	global $_userid, $MODULE, $DT_URL, $DT;
	$_userid or dheader($MODULE[2][&＃39;linkurl&＃39;].$DT[&＃39;file_login&＃39;].&＃39;?forward=&＃39;.rawurlencode($DT_URL));
}

function random($length, $chars = &＃39;ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz&＃39;) {
	$hash = &＃39;&＃39;;
	$max = strlen($chars) - 1;
	for($i = 0; $i <$length; $i++)	{
		$hash .= $chars[mt_rand(0, $max)];
	}
	return $hash;
}

function set_COOKIE($var, $value = &＃39;&＃39;, $time = 0) {
	global $CFG, $DT_TIME;
	$time = $time > 0 ? $time : (empty($value) ? $DT_TIME - 3600 : 0);
	$port = $_SERVER[&＃39;SERVER_PORT&＃39;] == &＃39;443&＃39; ? 1 : 0;
	$var = $CFG[&＃39;COOKIE_pre&＃39;].$var;
	return setCOOKIE($var, $value, $time, $CFG[&＃39;COOKIE_path&＃39;], $CFG[&＃39;COOKIE_domain&＃39;], $port);
}

function get_COOKIE($var) {
	global $CFG;
	$var = $CFG[&＃39;COOKIE_pre&＃39;].$var;
	return isset($_COOKIE[$var]) ? $_COOKIE[$var] : &＃39;&＃39;;
}

function get_table($moduleid, $data = 0) {
	global $DT_PRE, $MODULE;
	$module = $MODULE[$moduleid][&＃39;module&＃39;];
	if($data) {
		return in_array($module, array(&＃39;article&＃39;, &＃39;info&＃39;)) ? $DT_PRE.$module.&＃39;_data_&＃39;.$moduleid : $DT_PRE.$module.&＃39;_data&＃39;;
	} else {
		return in_array($module, array(&＃39;article&＃39;, &＃39;info&＃39;)) ? $DT_PRE.$module.&＃39;_&＃39;.$moduleid : $DT_PRE.$module;
	}
}

function get_process($fromtime, $totime) {
	global $DT_TIME;
	if($fromtime && $DT_TIME <$fromtime) return 1;
	if($totime && $DT_TIME > $totime) return 3;
	return 2;
}

function send_message($touser, $title, $content, $typeid = 4, $fromuser = &＃39;&＃39;) {
	global $db, $DT_TIME, $DT_IP;
	if($touser == $fromuser) return false;
	if(check_name($touser) && $title && $content) {
		$title = addslashes($title);
		$cOntent= addslashes($content);
		$r = $db->get_one("SELECT black FROM {$db->pre}member WHERE username=&＃39;$touser&＃39;");
		if($r) {
			if($r[&＃39;black&＃39;] && $typeid != 4) {
				$blacks = explode(&＃39; &＃39;, $r[&＃39;black&＃39;]);
				$_from = $fromuser ? $fromuser : &＃39;Guest&＃39;;
				if(in_array($_from, $blacks)) return false;
			}
			$db->query("INSERT INTO {$db->pre}message (title,typeid,touser,fromuser,content,addtime,ip,status) VALUES (&＃39;$title&＃39;, $typeid, &＃39;$touser&＃39;,&＃39;$fromuser&＃39;,&＃39;$content&＃39;,&＃39;$DT_TIME&＃39;,&＃39;$DT_IP&＃39;,3)");			
			$db->query("UPDATE {$db->pre}member SET message=message+1 WHERE username=&＃39;$touser&＃39;");
			if($fromuser) {
				$db->query("INSERT INTO {$db->pre}message (title,typeid,content,fromuser,touser,addtime,ip,status) VALUES (&＃39;$title&＃39;,&＃39;$typeid&＃39;,&＃39;$content&＃39;,&＃39;$fromuser&＃39;,&＃39;$touser&＃39;,&＃39;$DT_TIME&＃39;,&＃39;$DT_IP&＃39;,&＃39;2&＃39;)");
			}
			return true;
		}
	}
	return false;
}

function send_mail($mail_to, $mail_subject, $mail_body, $mail_from = &＃39;&＃39;, $mail_sign = true) {
	global $DT;
	require_once DT_ROOT.&＃39;/include/mail.func.php&＃39;;
	$result = dmail(trim($mail_to), $mail_subject, $mail_body, $mail_from, $mail_sign);
	$success = $result == &＃39;SUCCESS&＃39; ? 1 : 0;
	if($DT[&＃39;mail_log&＃39;]) {
		global $DT_TIME, $db;
		$status = $success ? 3 : 2;
		$note = $success ? &＃39;&＃39; : addslashes($result);
		$mail_subject = stripslashes($mail_subject);
		$mail_body = stripslashes($mail_body);
		$mail_subject = addslashes($mail_subject);
		$mail_body = addslashes($mail_body);
		$db->query("INSERT INTO {$db->pre}mail_log (email,title,content,addtime,status,note) VALUES (&＃39;$mail_to&＃39;,&＃39;$mail_subject&＃39;,&＃39;$mail_body&＃39;,&＃39;$DT_TIME&＃39;,&＃39;$status&＃39;,&＃39;$note&＃39;)");
	}
	return $success;
}

function strip_sms($message) {
	global $DT;
	$message = strip_tags($message);
	$message = preg_replace("/&([a-z]{1,});/", &＃39;&＃39;, $message);
	$message = str_replace(&＃39; &＃39;, &＃39;&＃39;, $message);
	if($DT[&＃39;sms_sign&＃39;]) $message .= $DT[&＃39;sms_sign&＃39;];
	return $message;
}

function send_sms($mobile, $message, $word = 0, $time = 0) {
	global $db, $DT, $DT_TIME, $DT_IP, $_username;
	if(!$DT[&＃39;sms&＃39;] || !$DT[&＃39;sms_uid&＃39;] || !$DT[&＃39;sms_key&＃39;]) return false;
	$word or $word = word_count($message);
	$sms_message = rawurlencode(convert($message, DT_CHARSET, &＃39;UTF-8&＃39;));
	$data = &＃39;sms_uid=&＃39;.$DT[&＃39;sms_uid&＃39;].&＃39;&sms_key=&＃39;.$DT[&＃39;sms_key&＃39;].&＃39;&sms_charset=&＃39;.DT_CHARSET.&＃39;&sms_mobile=&＃39;.$mobile.&＃39;&sms_message=&＃39;.$sms_message.&＃39;&sms_time=&＃39;.$time;
	$header = "POST /send.php HTTP/1.0\r\n";
	$header .= "Accept: */*\r\n";
	$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
	$header .= "Content-Length: ".strlen($data)."\r\n\r\n";
	$DT[&＃39;sms_host&＃39;] or $DT[&＃39;sms_host&＃39;] = &＃39;sms&＃39;;
	$fp = fsockopen($DT[&＃39;sms_host&＃39;].&＃39;.destoon.com&＃39;, 8820);
	$code = &＃39;&＃39;;
	if($fp) {
		fputs($fp, $header.$data);
		while(!feof($fp)) {
			$code .= fgets($fp, 1024);
		}
		fclose($fp);
		if($code && strpos($code, &＃39;destoon_sms_code=&＃39;) !== false) {
			$code = explode(&＃39;destoon_sms_code=&＃39;, $code);
			$code = $code[1];
		} else {
			$code = &＃39;Can Not Connect SMS Server&＃39;;
		}
	} else {
		$code = &＃39;Can Not Connect SMS Server&＃39;;
	}
	$db->query("INSERT INTO {$db->pre}sms (mobile,message,word,editor,sendtime,code) VALUES (&＃39;$mobile&＃39;,&＃39;$message&＃39;,&＃39;$word&＃39;,&＃39;$_username&＃39;,&＃39;$DT_TIME&＃39;,&＃39;$code&＃39;)");
	return $code;
}

function word_count($string) {
	$string = convert($string, DT_CHARSET, &＃39;gbk&＃39;);
	$length = strlen($string);
	$count = 0;
	for($i = 0; $i <$length; $i++) {
		$t = ord($string[$i]);
		if($t > 127) $i++;
		$count++;
	}
	return $count;
}

function cache_read($file, $dir = &＃39;&＃39;, $mode = &＃39;&＃39;) {
	$file = $dir ? DT_CACHE.&＃39;/&＃39;.$dir.&＃39;/&＃39;.$file : DT_CACHE.&＃39;/&＃39;.$file;
	if(!is_file($file)) return array();
	return $mode ? file_get($file) : include $file;
}

function cache_write($file, $string, $dir = &＃39;&＃39;) {
	if(is_array($string)) $string = "";
	$file = $dir ? DT_CACHE.&＃39;/&＃39;.$dir.&＃39;/&＃39;.$file : DT_CACHE.&＃39;/&＃39;.$file;
	$strlen = file_put($file, $string);
	return $strlen;
}

function cache_delete($file, $dir = &＃39;&＃39;) {
	$file = $dir ? DT_CACHE.&＃39;/&＃39;.$dir.&＃39;/&＃39;.$file : DT_CACHE.&＃39;/&＃39;.$file;
	return file_del($file);
}

function cache_clear($str, $type = &＃39;&＃39;, $dir = &＃39;&＃39;) {
	$dir = $dir ? DT_CACHE.&＃39;/&＃39;.$dir.&＃39;/&＃39; : DT_CACHE.&＃39;/&＃39;;
	$files = glob($dir.&＃39;*&＃39;);
	if(is_array($files)) {
		if($type == &＃39;dir&＃39;) {
			foreach($files as $file) {
				if(is_dir($file)) {dir_delete($file);} else {if(file_ext($file) == $str) file_del($file);}
			}
		} else {
			foreach($files as $file) {
				if(!is_dir($file) && strpos(basename($file), $str) !== false) file_del($file);
			}
		}
	}
}

function content_table($moduleid, $itemid, $split, $table_data = &＃39;&＃39;) {
	if($split) {
		return split_table($moduleid, $itemid);
	} else {
		$table_data or $table_data = get_table($moduleid, 1);
		return $table_data;
	}
}

function split_table($moduleid, $itemid) {
	global $DT_PRE;
	$part = split_id($itemid);
	return $DT_PRE.$moduleid.&＃39;_&＃39;.$part;
}

function split_id($id) {
	return $id > 0 ? ceil($id/500000) : 1;
}

function ip2area($ip) {
	$area = &＃39;&＃39;;
	if(is_ip($ip)) {
		$tmp = explode(&＃39;.&＃39;, $ip);
		if($tmp[0] == 10 || $tmp[0] == 127 || ($tmp[0] == 192 && $tmp[1] == 168) || ($tmp[0] == 172 && ($tmp[1] >= 16 && $tmp[1] <= 31))) {
			$area = &＃39;LAN&＃39;;
		} elseif($tmp[0] > 255 || $tmp[1] > 255 || $tmp[2] > 255 || $tmp[3] > 255) {
			$area = &＃39;Unkonw&＃39;;
		} else {
			require_once DT_ROOT.&＃39;/include/ip.func.php&＃39;;
			$area = convertip($ip);
		}
	}
	$area = convert($area, &＃39;gbk&＃39;, DT_CHARSET);
	return $area;
}

function banip($IP) {
	global $DT_IP, $DT_TIME;
	$ban = false;
	foreach($IP as $v) {
		if($v[&＃39;totime&＃39;] && $v[&＃39;totime&＃39;] <$DT_TIME) continue;
		if($v[&＃39;ip&＃39;] == $DT_IP) { $ban = true; break; }
		if(preg_match("/^".str_replace(&＃39;*&＃39;, &＃39;[0-9]{1,3}&＃39;, $v[&＃39;ip&＃39;])."$/", $DT_IP)) { $ban = true; break; }
	}
	if($ban) message(lang(&＃39;include->msg_ip_ban&＃39;, array($DT_IP)));
}

function banword($WORD, $string, $extend = true) {
	$string = stripslashes($string);
	foreach($WORD as $v) {
		$v[0] = preg_quote($v[0]);
		$v[0] = str_replace(&＃39;/&＃39;, &＃39;\/&＃39;, $v[0]);
		$v[0] = str_replace("\*", ".*", $v[0]);
		if($v[2] && $extend) {
			if(preg_match("/".$v[0]."/i", $string)) dalert(lang(&＃39;include->msg_word_ban&＃39;));
		} else {
			if($string == &＃39;&＃39;) break;
			if(preg_match("/".$v[0]."/i", $string)) $string = preg_replace("/".$v[0]."/i", $v[1], $string);
		}
	}
	return addslashes($string);
}

function get_env($type) {
	switch($type) {
		case &＃39;ip&＃39;:
			isset($_SERVER[&＃39;HTTP_X_FORWARDED_FOR&＃39;]) or $_SERVER[&＃39;HTTP_X_FORWARDED_FOR&＃39;] = &＃39;&＃39;;
			isset($_SERVER[&＃39;REMOTE_ADDR&＃39;]) or $_SERVER[&＃39;REMOTE_ADDR&＃39;] = &＃39;&＃39;;
			isset($_SERVER[&＃39;HTTP_CLIENT_IP&＃39;]) or $_SERVER[&＃39;HTTP_CLIENT_IP&＃39;] = &＃39;&＃39;;
			if($_SERVER[&＃39;HTTP_X_FORWARDED_FOR&＃39;] && $_SERVER[&＃39;REMOTE_ADDR&＃39;]) {
				$ip = $_SERVER[&＃39;HTTP_X_FORWARDED_FOR&＃39;];
				if(strpos($ip, &＃39;,&＃39;) !== false) {
					$tmp = explode(&＃39;,&＃39;, $ip);
					$ip = trim(end($tmp));
				}
				if(is_ip($ip)) return $ip;
			}
			if(is_ip($_SERVER[&＃39;HTTP_CLIENT_IP&＃39;])) return $_SERVER[&＃39;HTTP_CLIENT_IP&＃39;];
			if(is_ip($_SERVER[&＃39;REMOTE_ADDR&＃39;])) return $_SERVER[&＃39;REMOTE_ADDR&＃39;];
			return &＃39;unknown&＃39;;
		break;
		case &＃39;self&＃39;:
			return isset($_SERVER[&＃39;PHP_SELF&＃39;]) ? $_SERVER[&＃39;PHP_SELF&＃39;] : (isset($_SERVER[&＃39;SCRIPT_NAME&＃39;]) ? $_SERVER[&＃39;SCRIPT_NAME&＃39;] : $_SERVER[&＃39;ORIG_PATH_INFO&＃39;]);
		break;
		case &＃39;referer&＃39;:
			return isset($_SERVER[&＃39;HTTP_REFERER&＃39;]) ? $_SERVER[&＃39;HTTP_REFERER&＃39;] : &＃39;&＃39;;
		break;
		case &＃39;domain&＃39;:
			return $_SERVER[&＃39;SERVER_NAME&＃39;];
		break;
		case &＃39;scheme&＃39;:
			return $_SERVER[&＃39;SERVER_PORT&＃39;] == &＃39;443&＃39; ? &＃39;https://&＃39; : &＃39;http://&＃39;;
		break;
		case &＃39;port&＃39;:
			return $_SERVER[&＃39;SERVER_PORT&＃39;] == &＃39;80&＃39; ? &＃39;&＃39; : &＃39;:&＃39;.$_SERVER[&＃39;SERVER_PORT&＃39;];
		break;
		case &＃39;url&＃39;:
			if(isset($_SERVER[&＃39;REQUEST_URI&＃39;])) {
				$uri = $_SERVER[&＃39;REQUEST_URI&＃39;];
			} else {
				$uri = $_SERVER[&＃39;PHP_SELF&＃39;];
				if(isset($_SERVER[&＃39;argv&＃39;])) {
					if(isset($_SERVER[&＃39;argv&＃39;][0])) $uri .= &＃39;?&＃39;.$_SERVER[&＃39;argv&＃39;][0];
				} else {
					$uri .= &＃39;?&＃39;.$_SERVER[&＃39;QUERY_STRING&＃39;];
				}
			}
			$uri = dhtmlspecialchars($uri);
			return get_env(&＃39;scheme&＃39;).$_SERVER[&＃39;HTTP_HOST&＃39;].(strpos($_SERVER[&＃39;HTTP_HOST&＃39;], &＃39;:&＃39;) === false ? get_env(&＃39;port&＃39;) : &＃39;&＃39;).$uri;
		break;
	}
}

function convert($str, $from = &＃39;utf-8&＃39;, $to = &＃39;gb2312&＃39;) {
	if(!$str) return &＃39;&＃39;;
	$from = strtolower($from);
	$to = strtolower($to);
	if($from == $to) return $str;
	$from = str_replace(&＃39;gbk&＃39;, &＃39;gb2312&＃39;, $from);
	$to = str_replace(&＃39;gbk&＃39;, &＃39;gb2312&＃39;, $to);
	$from = str_replace(&＃39;utf8&＃39;, &＃39;utf-8&＃39;, $from);
	$to = str_replace(&＃39;utf8&＃39;, &＃39;utf-8&＃39;, $to);
	if($from == $to) return $str;
	$tmp = array();
	if(function_exists(&＃39;iconv&＃39;)) {
		if(is_array($str)) {
			foreach($str as $key => $val) {
				$tmp[$key] = iconv($from, $to."//IGNORE", $val);
			}
			return $tmp;
		} else {
			return iconv($from, $to."//IGNORE", $str);
		}
	} else if(function_exists(&＃39;mb_convert_encoding&＃39;)) {
		if(is_array($str)) {
			foreach($str as $key => $val) {
				$tmp[$key] = mb_convert_encoding($val, $to, $from);
			}
			return $tmp;
		} else {
			return mb_convert_encoding($str, $to, $from);
		}	
	} else {
		require_once DT_ROOT.&＃39;/include/convert.func.php&＃39;;
		return dconvert($str, $to, $from);
	}
}

function get_type($item, $cache = 0) {
	$types = array();
	if($cache) {
		$types = cache_read(&＃39;type-&＃39;.$item.&＃39;.php&＃39;);
	} else {
		global $db;
		$result = $db->query("SELECT * FROM {$db->pre}type WHERE item=&＃39;$item&＃39; ORDER BY listorder ASC,typeid DESC ");
		while($r = $db->fetch_array($result)) {
			$types[$r[&＃39;typeid&＃39;]] = $r;
		}
	}
	return $types;
}

function get_cat($catid) {
	global $db;
	$catid = intval($catid);
	return $catid ? $db->get_one("SELECT * FROM {$db->pre}category WHERE catid=$catid") : array();
}

function cat_pos($CAT, $str = &＃39; » &＃39;, $target = &＃39;&＃39;) {
	global $MODULE, $db;
	if(!$CAT) return &＃39;&＃39;;
	$arrparentids = $CAT[&＃39;arrparentid&＃39;].&＃39;,&＃39;.$CAT[&＃39;catid&＃39;];
	$arrparentid = explode(&＃39;,&＃39;, $arrparentids);
	$pos = &＃39;&＃39;;
	$target = $target ? &＃39; target="_blank"&＃39; : &＃39;&＃39;;	
	$CATEGORY = array();
	$result = $db->query("SELECT catid,moduleid,catname,linkurl FROM {$db->pre}category WHERE catid IN ($arrparentids)");
	while($r = $db->fetch_array($result)) {
		$CATEGORY[$r[&＃39;catid&＃39;]] = $r;
	}
	foreach($arrparentid as $catid) {
		if(!$catid || !isset($CATEGORY[$catid])) continue;
		$pos .= &＃39;&＃39;.$CATEGORY[$catid][&＃39;catname&＃39;].&＃39;&＃39;.$str;
	}
	$_len = strlen($str);
	if($str && substr($pos, -$_len, $_len) === $str) $pos = substr($pos, 0, strlen($pos)-$_len);
	return $pos;
}

function cat_url($catid) {
	global $MODULE, $db;
	$r = $db->get_one("SELECT moduleid,linkurl FROM {$db->pre}category WHERE catid=$catid");
	return $r ? $MODULE[$r[&＃39;moduleid&＃39;]][&＃39;linkurl&＃39;].$r[&＃39;linkurl&＃39;] : &＃39;&＃39;;
}

function get_area($areaid) {
	global $db;
	$areaid = intval($areaid);
	return $db->get_one("SELECT * FROM {$db->pre}area WHERE areaid=$areaid");
}

function area_pos($areaid, $str = &＃39; » &＃39;, $deep = 0) {
	if($areaid) {
		global $AREA;
	} else {
		global $L;
		return $L[&＃39;allcity&＃39;];
	}
	$AREA or $AREA = cache_read(&＃39;area.php&＃39;);
	$arrparentid = $AREA[$areaid][&＃39;arrparentid&＃39;] ? explode(&＃39;,&＃39;, $AREA[$areaid][&＃39;arrparentid&＃39;]) : array();
	$arrparentid[] = $areaid;
	$pos = &＃39;&＃39;;
	if($deep) $i = 1;
	foreach($arrparentid as $areaid) {
		if(!$areaid || !isset($AREA[$areaid])) continue;
		if($deep) {
			if($i > $deep) continue;
			$i++;
		}
		$pos .= $AREA[$areaid][&＃39;areaname&＃39;].$str;
	}
	$_len = strlen($str);
	if($str && substr($pos, -$_len, $_len) === $str) $pos = substr($pos, 0, strlen($pos)-$_len);
	return $pos;
}

function get_maincat($catid, $moduleid, $level = -1) {
	global $db;
	$cOndition= $catid ? "parentid=$catid" : "moduleid=$moduleid AND parentid=0";
	if($level >= 0) $condition .= " AND level=$level";
	$cat = array();
	$result = $db->query("SELECT catid,catname,child,style,linkurl,item FROM {$db->pre}category WHERE $condition ORDER BY listorder,catid ASC", &＃39;CACHE&＃39;);
	while($r = $db->fetch_array($result)) {
		$cat[] = $r;
	}
	return $cat;
}

function get_mainarea($areaid) {
	global $db;
	$areaid = intval($areaid);
	$are = array();
	$result = $db->query("SELECT areaid,areaname FROM {$db->pre}area WHERE parentid=$areaid ORDER BY listorder,areaid ASC", &＃39;CACHE&＃39;);
	while($r = $db->fetch_array($result)) {
		$are[] = $r;
	}
	return $are;
}

function get_user($value, $key = &＃39;username&＃39;, $from = &＃39;userid&＃39;) {
	global $db;
	$r = $db->get_one("SELECT `$from` FROM {$db->pre}member WHERE `$key`=&＃39;$value&＃39;");
	return $r[$from];
}

function check_group($groupid, $groupids) {
	if(!$groupids || $groupid == 1) return true;
	if($groupid == 4) $groupid = 3;
	return in_array($groupid, explode(&＃39;,&＃39;, $groupids));
}

function tohtml($htmlfile, $module = &＃39;&＃39;, $parameter = &＃39;&＃39;) {
	defined(&＃39;TOHTML&＃39;) or define(&＃39;TOHTML&＃39;, true);
    extract($GLOBALS, EXTR_SKIP);
	if($parameter) parse_str($parameter);
    include $module ? DT_ROOT.&＃39;/module/&＃39;.$module.&＃39;/&＃39;.$htmlfile.&＃39;.htm.php&＃39; : DT_ROOT.&＃39;/include/&＃39;.$htmlfile.&＃39;.htm.php&＃39;;
}

function set_style($string, $style = &＃39;&＃39;, $tag = &＃39;span&＃39;) {
	if(preg_match("/^#[0-9a-zA-Z]{6}$/", $style)) $style = &＃39;color:&＃39;.$style;
	return $style ? &＃39;<&＃39;.$tag.&＃39; style="&＃39;.$style.&＃39;">&＃39;.$string.&＃39;&＃39; : $string;
}

function crypt_action($action) {
	global $DT_IP;
	return md5(md5($action.DT_KEY.$DT_IP));
}

function captcha($captcha, $enable = 1, $return = false) {
	global $DT_IP, $DT, $session;
	if($enable) {
		if($DT[&＃39;captcha_cn&＃39;]) {
			if(strlen($captcha) <4) {
				$msg = lang(&＃39;include->captcha_missed&＃39;);
				return $return ? $msg : message($msg);
			}
		} else {
			if(!preg_match("/^[0-9a-z]{4,}$/i", $captcha)) {
				$msg = lang(&＃39;include->captcha_missed&＃39;);
				return $return ? $msg : message($msg);
			}
		}
		if(!is_object($session)) $session = new dsession();
		if(!isset($_SESSION[&＃39;captchastr&＃39;])) {
			$msg = lang(&＃39;include->captcha_expired&＃39;);
			return $return ? $msg : message($msg);
		}
		if($_SESSION[&＃39;captchastr&＃39;] != md5(md5(strtoupper($captcha).DT_KEY.$DT_IP))) {
			$msg = lang(&＃39;include->captcha_error&＃39;);
			return $return ? $msg : message($msg);
		}
		unset($_SESSION[&＃39;captchastr&＃39;]);
	} else {
		return &＃39;&＃39;;
	}
}

function question($answer, $enable = 1, $return = false) {
	global $DT_IP, $session;
	if($enable) {
		if(!$answer) {
			$msg = lang(&＃39;include->answer_missed&＃39;);
			return $return ? $msg : message($msg);
		}
		$answer = stripslashes($answer);
		if(!is_object($session)) $session = new dsession();
		if(!isset($_SESSION[&＃39;answerstr&＃39;])) {
			$msg = lang(&＃39;include->question_expired&＃39;);
			return $return ? $msg : message($msg);
		}
		if($_SESSION[&＃39;answerstr&＃39;] != md5(md5($answer.DT_KEY.$DT_IP))) {
			$msg = lang(&＃39;include->answer_error&＃39;);
			return $return ? $msg : message($msg);
		}
		unset($_SESSION[&＃39;answerstr&＃39;]);
	} else {
		return &＃39;&＃39;;
	}
}

function pages($total, $page = 1, $perpage = 20, $demo = &＃39;&＃39;, $step = 2) {
	global $DT_URL, $DT, $L;
	if($total <= $perpage) return &＃39;&＃39;;
	$items = $total;
	$total = ceil($total/$perpage);
	if($page <1 || $page > $total) $page = 1;
	if($demo) {
		$demo_url = $demo;
		$home_url = str_replace(&＃39;{destoon_page}&＃39;, &＃39;1&＃39;, $demo_url);
	} else {
		if(defined(&＃39;DT_REWRITE&＃39;) && $DT[&＃39;rewrite&＃39;] && $_SERVER["SCRIPT_NAME"]) {
			$demo_url = $_SERVER["SCRIPT_NAME"];
			$demo_url = str_replace(&＃39;//&＃39;, &＃39;/&＃39;, $demo_url);//Fix Nginx
			$mark = false;
			if(substr($demo_url, -4) == &＃39;.php&＃39;) {
				if(strpos($_SERVER[&＃39;QUERY_STRING&＃39;], &＃39;.html&＃39;) === false) {
					$qstr = &＃39;&＃39;;
					if($_SERVER[&＃39;QUERY_STRING&＃39;]) {					
						if(substr($_SERVER[&＃39;QUERY_STRING&＃39;], -5) == &＃39;.html&＃39;) {
							$qstr = &＃39;-&＃39;.substr($_SERVER[&＃39;QUERY_STRING&＃39;], 0, -5);
						} else {
							parse_str($_SERVER[&＃39;QUERY_STRING&＃39;], $qs);
							foreach($qs as $k=>$v) {
								$qstr .= &＃39;-&＃39;.$k.&＃39;-&＃39;.rawurlencode($v);
							}
						}
					}
					$demo_url = substr($demo_url, 0, -4).&＃39;-htm-page-{destoon_page}&＃39;.$qstr.&＃39;.html&＃39;;
				} else {
					$demo_url = substr($demo_url, 0, -4).&＃39;-htm-&＃39;.$_SERVER[&＃39;QUERY_STRING&＃39;];
					$mark = true;
				}
			} else {
				$mark = true;
			}
			if($mark) {
				if(strpos($demo_url, &＃39;%&＃39;) === false) $demo_url =  rawurlencode($demo_url);
				$demo_url = str_replace(array(&＃39;%2F&＃39;, &＃39;%3A&＃39;), array(&＃39;/&＃39;, &＃39;:&＃39;), $demo_url);
				if(strpos($demo_url, &＃39;-page-&＃39;) !== false) {
					$demo_url = preg_replace("/page-([0-9]+)/", &＃39;page-{destoon_page}&＃39;, $demo_url);
				} else {
					$demo_url = str_replace(&＃39;.html&＃39;, &＃39;-page-{destoon_page}.html&＃39;, $demo_url);
				}
			}
			$home_url = str_replace(&＃39;-page-{destoon_page}&＃39;, &＃39;-page-1&＃39;, $demo_url);
		} else {
			$DT_URL = str_replace(&＃39;&&＃39;, &＃39;&&＃39;, $DT_URL);
			$demo_url = $home_url = preg_replace("/(.*)([&?]page=[0-9]*)(.*)/i", "\\1\\3", $DT_URL);
			$s = strpos($demo_url, &＃39;?&＃39;) === false ? &＃39;?&＃39; : &＃39;&&＃39;;
			$demo_url = $demo_url.$s.&＃39;page={des&＃39;.&＃39;toon_page}&＃39;;
		}
	}
	$pages = &＃39;&＃39;;
	include DT_ROOT.&＃39;/api/pages.&＃39;.($DT[&＃39;pages_mode&＃39;] ? &＃39;sample&＃39; : &＃39;default&＃39;).&＃39;.php&＃39;;
	return $pages;
}

function listpages($CAT, $total, $page = 1, $perpage = 20, $step = 2) {
	global $DT, $MOD, $L;
	if($total <= $perpage) return &＃39;&＃39;;
	$items = $total;
	$total = ceil($total/$perpage);
	if($page <1 || $page > $total) $page = 1;
	$home_url = $MOD[&＃39;linkurl&＃39;].$CAT[&＃39;linkurl&＃39;];
	$demo_url = $MOD[&＃39;linkurl&＃39;].listurl($CAT, &＃39;{destoon_page}&＃39;);
	$pages = &＃39;&＃39;;
	include DT_ROOT.&＃39;/api/pages.&＃39;.($DT[&＃39;pages_mode&＃39;] ? &＃39;sample&＃39; : &＃39;default&＃39;).&＃39;.php&＃39;;
	return $pages;
}

function showpages($item, $total, $page = 1) {
	global $MOD, $L;
	$pages = &＃39;&＃39;;
	$home_url = $MOD[&＃39;linkurl&＃39;].itemurl($item);
	$demo_url = $MOD[&＃39;linkurl&＃39;].itemurl($item, &＃39;{destoon_page}&＃39;);
	$_page = $page <= 1 ? $total : ($page - 1);
	$url = $_page == 1 ? $home_url : str_replace(&＃39;{destoon_page}&＃39;, $_page, $demo_url);
	$pages .= &＃39; &＃171;  &＃39;;
	for($_page = 1; $_page <= $total; $_page++) {
		$url = $_page == 1 ? $home_url : str_replace(&＃39;{destoon_page}&＃39;, $_page, $demo_url);
		$pages .= $page == $_page ? &＃39; &＃39;.$_page.&＃39;  &＃39; : &＃39;  &＃39;.$_page.&＃39;   &＃39;;
	}
	$_page = $page >= $total ? 1 : $page + 1;
	$url = $_page == 1 ? $home_url : str_replace(&＃39;{destoon_page}&＃39;, $_page, $demo_url);
	$pages .= &＃39; &＃187;  &＃39;;
	return $pages;
}

function linkurl($linkurl, $absurl = 1) {
	global $CFG;
	if($absurl) {
		if(strpos($linkurl, &＃39;://&＃39;) !== false) return $linkurl;
		return strpos($linkurl, $CFG[&＃39;path&＃39;]) === 0 ? $CFG[&＃39;url&＃39;].substr($linkurl, strlen($CFG[&＃39;path&＃39;])) : $CFG[&＃39;url&＃39;].$linkurl;
	} else {
		if(strpos($linkurl, &＃39;://&＃39;) !== false) return strpos($linkurl, $CFG[&＃39;url&＃39;]) === 0 ? $CFG[&＃39;path&＃39;].substr($linkurl, strlen($CFG[&＃39;url&＃39;])) : $linkurl;
		return strpos($linkurl, $CFG[&＃39;path&＃39;]) === 0 ? $linkurl : $CFG[&＃39;path&＃39;].$linkurl;
	}
}

function imgurl($imgurl = &＃39;&＃39;, $absurl = 1) {
	return $imgurl ? $imgurl : DT_SKIN.&＃39;image/nopic.gif&＃39;;
}

function userurl($username, $qstring = &＃39;&＃39;, $domain = &＃39;&＃39;) {
	global $CFG, $DT, $MODULE;
	$URL = &＃39;&＃39;;
	$subdomain = 0;
	if($CFG[&＃39;com_domain&＃39;]) $subdomain = substr($CFG[&＃39;com_domain&＃39;], 0, 1) == &＃39;.&＃39; ? 1 : 2;
	if($username) {
		if($subdomain || $domain) {
			$URL = $domain ? &＃39;http://&＃39;.$domain.&＃39;/&＃39; : ($subdomain == 1 ? &＃39;http://&＃39;.($DT[&＃39;com_www&＃39;] ? &＃39;www.&＃39; : &＃39;&＃39;).$username.$CFG[&＃39;com_domain&＃39;].&＃39;/&＃39; : &＃39;http://&＃39;.$CFG[&＃39;com_domain&＃39;].&＃39;/&＃39;.$username.&＃39;/&＃39;);
			if($qstring) {
				parse_str($qstring, $q);
				if(isset($q[&＃39;file&＃39;])) {
					$URL .= $CFG[&＃39;com_dir&＃39;] ? $q[&＃39;file&＃39;].&＃39;/&＃39; : &＃39;company/&＃39;.$q[&＃39;file&＃39;].&＃39;/&＃39;;
					unset($q[&＃39;file&＃39;]);
				}
				if($q) {
					if($DT[&＃39;rewrite&＃39;]) {
						foreach($q as $k=>$v) {
							$v = rawurlencode($v);
							$URL .= $k.&＃39;-&＃39;.$v.&＃39;-&＃39;;
						}
						$URL = substr($URL, 0, -1).&＃39;.shtml&＃39;;
					} else {
						$URL .= &＃39;index.php?&＃39;;
						$i = 0;
						foreach($q as $k=>$v) {
							$v = rawurlencode($v);
							$URL .= ($i++ == 0 ? &＃39;&＃39; : &＃39;&&＃39;).$k.&＃39;=&＃39;.$v;
						}
					}
				}
			}
		} else if($DT[&＃39;rewrite&＃39;]) {
			$URL = DT_PATH.&＃39;com/&＃39;.$username.&＃39;/&＃39;;
			if($qstring) {
				parse_str($qstring, $q);
				if(isset($q[&＃39;file&＃39;])) {
					$URL .= $CFG[&＃39;com_dir&＃39;] ? $q[&＃39;file&＃39;].&＃39;/&＃39; : &＃39;company/&＃39;.$q[&＃39;file&＃39;].&＃39;/&＃39;;
					unset($q[&＃39;file&＃39;]);
				}
				if($q) {
					foreach($q as $k=>$v) {
						$v = rawurlencode($v);
						$URL .= $k.&＃39;-&＃39;.$v.&＃39;-&＃39;;
					}
					$URL = substr($URL, 0, -1).&＃39;.html&＃39;;
				}
			}
		} else {
			$URL = DT_PATH.&＃39;index.php?homepage=&＃39;.$username;
			if($qstring) $URL = $URL.&＃39;&&＃39;.$qstring;
		}
	} else {
		$URL = linkurl($MODULE[4][&＃39;linkurl&＃39;], 1).&＃39;guest.php&＃39;;
	}
	return $URL;
}

function userinfo($username, $cache = &＃39;&＃39;, $fields = &＃39;*&＃39;) {
	global $db;
	return $db->get_one("SELECT $fields FROM {$db->pre}member m, {$db->pre}company c WHERE m.userid=c.userid AND m.username=&＃39;$username&＃39;", $cache);
}

function memberinfo($username, $cache = &＃39;&＃39;, $fields = &＃39;*&＃39;) {
	global $db;
	return $db->get_one("SELECT $fields FROM {$db->pre}member WHERE username=&＃39;$username&＃39;", $cache);
}

function listurl($CAT, $page = 0) {
	global $DT, $MOD, $L;
	include DT_ROOT.&＃39;/api/url.inc.php&＃39;;
	$catid = $CAT[&＃39;catid&＃39;];
	$file_ext = $DT[&＃39;file_ext&＃39;];
	$index = $DT[&＃39;index&＃39;];
	$catdir = $CAT[&＃39;catdir&＃39;];
	$catname = file_vname($CAT[&＃39;catname&＃39;]);
	$prefix = $MOD[&＃39;htm_list_prefix&＃39;];
	$urlid = $MOD[&＃39;list_html&＃39;] ? $MOD[&＃39;htm_list_urlid&＃39;] : $MOD[&＃39;php_list_urlid&＃39;];
	$ext = $MOD[&＃39;list_html&＃39;] ? &＃39;htm&＃39; : &＃39;php&＃39;;
	isset($urls[$ext][&＃39;list&＃39;][$urlid]) or $urlid = 0;
	$url = $urls[$ext][&＃39;list&＃39;][$urlid];
	$url = $page ? $url[&＃39;page&＃39;] : $url[&＃39;index&＃39;];
    eval("\$listurl = \"$url\";");
	if(substr($listurl, 0, 1) == &＃39;/&＃39;) $listurl = substr($listurl, 1);
	return $listurl;
}

function itemurl($item, $page = 0) {
	global $DT, $MOD, $L;
	if($MOD[&＃39;show_html&＃39;] && $item[&＃39;filepath&＃39;]) {
		if($page === 0) return $item[&＃39;filepath&＃39;];
		$ext = file_ext($item[&＃39;filepath&＃39;]);
		return str_replace(&＃39;.&＃39;.$ext, &＃39;_&＃39;.$page.&＃39;.&＃39;.$ext, $item[&＃39;filepath&＃39;]);
	}
	include DT_ROOT.&＃39;/api/url.inc.php&＃39;;
	$file_ext = $DT[&＃39;file_ext&＃39;];
	$index = $DT[&＃39;index&＃39;];
	$itemid = $item[&＃39;itemid&＃39;];
	$title = file_vname($item[&＃39;title&＃39;]);
	$addtime = $item[&＃39;addtime&＃39;];
	$catid = $item[&＃39;catid&＃39;];
	$year = date(&＃39;Y&＃39;, $addtime);
	$mOnth= date(&＃39;m&＃39;, $addtime);
	$day = date(&＃39;d&＃39;, $addtime);
	$prefix = $MOD[&＃39;htm_item_prefix&＃39;];
	$urlid = $MOD[&＃39;show_html&＃39;] ? $MOD[&＃39;htm_item_urlid&＃39;] : $MOD[&＃39;php_item_urlid&＃39;];
	$ext = $MOD[&＃39;show_html&＃39;] ? &＃39;htm&＃39; : &＃39;php&＃39;;
	$alloc = dalloc($itemid);
	$url = $urls[$ext][&＃39;item&＃39;][$urlid];
	$url = $page ? $url[&＃39;page&＃39;] : $url[&＃39;index&＃39;];
	if(strpos($url, &＃39;cat&＃39;) !== false && $catid) {
		$cate = get_cat($catid);
		$catdir = $cate[&＃39;catdir&＃39;];
		$catname = $cate[&＃39;catname&＃39;];
	}
    eval("\$itemurl = \"$url\";");
	if(substr($itemurl, 0, 1) == &＃39;/&＃39;) $itemurl = substr($itemurl, 1);
	return $itemurl;
}

function rewrite($url, $encode = 0) {
	global $DT, $CFG;
	if(!$DT[&＃39;rewrite&＃39;]) return $url;
	if(strpos($url, &＃39;.php?&＃39;) === false || strpos($url, &＃39;=&＃39;) === false) return $url;
	$url = str_replace(array(&＃39;+&＃39;, &＃39;-&＃39;), array(&＃39;%20&＃39;, &＃39;%20&＃39;), $url);
	$url = str_replace(array(&＃39;.php?&＃39;, &＃39;&&＃39;, &＃39;=&＃39;), array(&＃39;-htm-&＃39;, &＃39;-&＃39;, &＃39;-&＃39;), $url).&＃39;.html&＃39;;
	return $url;
}

function timetodate($time = 0, $type = 6) {
	if(!$time) {global $DT_TIME; $time = $DT_TIME;}
	$types = array(&＃39;Y-m-d&＃39;, &＃39;Y&＃39;, &＃39;m-d&＃39;, &＃39;Y-m-d&＃39;, &＃39;m-d H:i&＃39;, &＃39;Y-m-d H:i&＃39;, &＃39;Y-m-d H:i:s&＃39;);
	if(isset($types[$type])) $type = $types[$type];
	return date($type, $time);
}

function log_write($message, $type = &＃39;php&＃39;) {
	global $DT_IP, $DT_TIME, $_username;
	if(!DT_DEBUG) return;
	$DT_IP or $DT_IP = get_env(&＃39;ip&＃39;);
	$DT_TIME or $DT_TIME = time();
	$user = $_username ? $_username : &＃39;guest&＃39;;
	$log = "<$type>\n";
	$log .= "\t".date(&＃39;Y-m-d H:i:s&＃39;, $DT_TIME)."\n";
	$log .= "\t".$DT_IP."\n";
	$log .= "\t".$user."\n";
	$log .= "\t".$_SERVER[&＃39;SCRIPT_NAME&＃39;]."\n";
	$log .= "\t".str_replace(&＃39;&&＃39;, &＃39;&&＃39;, $_SERVER[&＃39;QUERY_STRING&＃39;])."\n";
	$log .= "\t".$message."\t\n";
	$log .= "";
	file_put(DT_ROOT.&＃39;/file/log/&＃39;.date(&＃39;Ym&＃39;, $DT_TIME).&＃39;/&＃39;.$type.&＃39;-&＃39;.date(&＃39;Y.m.d H.i.s&＃39;, $DT_TIME).&＃39;-&＃39;.strtolower(random(10)).&＃39;.xml&＃39;, $log);
}

function load($file) {
	$ext = file_ext($file);
	if($ext == &＃39;css&＃39;) {
		echo &＃39;&＃39;;
	} else if($ext == &＃39;js&＃39;) {
		echo &＃39;&＃39;;
	} else if($ext == &＃39;htm&＃39;) {
		$file = str_replace(&＃39;ad_m&＃39;, &＃39;ad_t6_m&＃39;, $file);
		if(is_file(DT_CACHE.&＃39;/htm/&＃39;.$file)) {
			$cOntent= file_get(DT_CACHE.&＃39;/htm/&＃39;.$file);
			if(substr($content, 0, 4) == &＃39;&＃39;) !== false) {
		$t = explode(&＃39;->&＃39;, $str);
		include load($t[0].&＃39;.lang&＃39;);
		$str = $L[$t[1]];
	}
	if($arr) {
		foreach($arr as $k=>$v) {
			$str = str_replace(&＃39;{V&＃39;.$k.&＃39;}&＃39;, $v, $str);
		}
	}
	return $str;
}

function check_name($username) {
	if(strpos($username, &＃39;__&＃39;) !== false || strpos($username, &＃39;--&＃39;) !== false) return false; 
	return preg_match("/^[a-z0-9]{1}[a-z0-9_\-]{0,}[a-z0-9]{1}$/", $username);
}

function check_post() {
	if(strtoupper($_SERVER[&＃39;REQUEST_METHOD&＃39;]) != &＃39;POST&＃39;) return false;
	return check_referer();
}

function check_referer() {
	global $DT_REF, $CFG, $DT;
	if($DT[&＃39;check_referer&＃39;]) {
		if(!$DT_REF) return false;
		$R = parse_url($DT_REF);
		if($CFG[&＃39;COOKIE_domain&＃39;] && strpos($R[&＃39;host&＃39;], $CFG[&＃39;COOKIE_domain&＃39;]) !== false) return true;
		if($CFG[&＃39;com_domain&＃39;] && strpos($R[&＃39;host&＃39;], $CFG[&＃39;com_domain&＃39;]) !== false) return true;
		if($DT[&＃39;safe_domain&＃39;]) {
			$tmp = explode(&＃39;|&＃39;, $DT[&＃39;safe_domain&＃39;]);
			foreach($tmp as $v) {
				if(strpos($R[&＃39;host&＃39;], $v) !== false) return true;
			}
		}		
		$U = parse_url(DT_PATH);
		if(strpos($R[&＃39;host&＃39;], str_replace(&＃39;www.&＃39;, &＃39;.&＃39;, $U[&＃39;host&＃39;])) !== false) return true;
		return false;
	} else {
		return true;
	}
}

function is_robot() {
	if(strpos($_SERVER[&＃39;HTTP_USER_AGENT&＃39;], &＃39;://&＃39;) === false && preg_match("/(MSIE|Netscape|Opera|Konqueror|Mozilla)/i", $_SERVER[&＃39;HTTP_USER_AGENT&＃39;])) {
		return false;
	} else if(preg_match("/(Spider|Bot|Crawl|Slurp|lycos|robozilla)/i", $_SERVER[&＃39;HTTP_USER_AGENT&＃39;])) {
		return true;
	} else {
		return false;
	}
}

function is_ip($ip) {
	return preg_match("/^([0-9]{1,3}\.){3}[0-9]{1,3}$/", $ip);
}

function is_md5($password) {
	return preg_match("/^[a-z0-9]{32}$/", $password);
}

function debug() {
	global $db, $debug_starttime;
	$mtime = explode(&＃39; &＃39;, microtime());
	$s = number_format(($mtime[1] + $mtime[0] - $debug_starttime), 3);
	echo &＃39;Processed in &＃39;.$s.&＃39; second(s), &＃39;.$db->querynum.&＃39; queries&＃39;;
    if(function_exists(&＃39;memory_get_usage&＃39;)) echo &＃39;, Memory &＃39;.round(memory_get_usage()/1024/1024, 2).&＃39; M&＃39;;
}

//For 3.x
function extendurl($func) {
	global $MODULE, $EXT;
	$key = $func.&＃39;_url&＃39;;
	return $EXT[$key] ? $EXT[$key] : $MODULE[1][&＃39;linkurl&＃39;].$func.&＃39;/&＃39;;
}

function extend_setting($key = &＃39;&＃39;) {
	global $EXT;
	return $key ? $EXT[$key] : $EXT;
}
?>