pcfuncs.php

清华BBS源代码

			"EDITOR" => $rows[htmleditor],
			"INDEX" => array("nodeNum"=> $rows[indexnodes],"nodeChars" => $rows[indexnodechars]),
			"CSSFILE" => htmlspecialchars(stripslashes($rows[cssfile])),
			"EMAIL" => htmlspecialchars(stripslashes($rows[useremail])),
			"FAVMODE" => (int)($rows[favmode]),
			"UPDATE" => (int)($rows[updatetime]),
			"INFOR" => str_replace("<?","&lt;?",stripslashes($rows[userinfor])),
			"TYPE" => $rows[pctype],
			"LOGTID" => $rows[logtid],
			"DEFAULTTOPIC" => $rows[defaulttopic]
			);
	if($pc["CSSFILE"])
		$cssFile = $pc["CSSFILE"];
	else
		$cssFile = "";
		
	return $pc;
	}
}

function pc_get_theme($theme,$stripSlashes=TRUE)
{
	global $pcconfig;
	if($stripSlashes)
		$theme = stripslashes($theme) ;
	$theme = explode("/",$theme);	
	if(!$pcconfig["SECTION"][$theme[0]]) $theme[0] = "others";
	return $theme;
}

function pc_init_fav($link,$uid)
{
	$query = "INSERT INTO `nodes` ( `nid` , `pid` , `tid` , `type` , `source` , `hostname` , `changed` , `created` , `uid` , `comment` , `commentcount` , `subject` , `body` , `access` , `visitcount` ) ".
		" VALUES ('', '0', '0', '1', '', '".$_SERVER["REMOTE_ADDR"]."', '".date("YmdHis")."' , '".date("YmdHis")."', '".$uid."', '0', '0', '', NULL , '3', '0');";
	$r = mysql_query($query,$link);
	return $r;
}

function pc_update_record($link,$uid,$addstr="+0")
{
	$query = "UPDATE users SET `createtime` = `createtime` , `modifytime` = '".date("YmdHis")."' , `nodescount` = `nodescount` ".$addstr." WHERE `uid` = '".$uid."' ";
	mysql_query($query,$link);
}

function pc_visit_counter($link,$uid)
{
	$query = "UPDATE users SET `createtime` = `createtime` , `visitcount` = `visitcount` + 1  WHERE `uid` = '".$uid."' ;";
	mysql_query($query,$link);
}

function pc_used_space($link,$uid,$access,$pid=0)
{
	if($access == 3)
		$query = "SELECT COUNT(*) FROM nodes WHERE `uid` = '".$uid."' AND `access` = '3' AND `pid` = '".$pid."' AND `type` = 0 ;";
	else
		$query = "SELECT COUNT(*) FROM nodes WHERE `uid` = '".$uid."' AND `access` = '".$access."'  AND `type` = 0 ;";
	$result = mysql_query($query);
	$rows = mysql_fetch_row($result);
	mysql_free_result($result);
	return $rows[0];
}

function pc_dir_num($link,$uid,$pid=0)
{
	$query = "SELECT COUNT(*) FROM nodes WHERE `uid` = '".$uid."' AND `access` = '3' AND `pid` = '".$pid."' AND `type` = 1 ;";
	$result = mysql_query($query);
	$rows = mysql_fetch_row($result);
	mysql_free_result($result);
	return $rows[0];
}

function pc_file_num($link,$uid,$pid=0)
{
	$query = "SELECT COUNT(*) FROM nodes WHERE `uid` = '".$uid."' AND `access` = '3' AND `pid` = '".$pid."' AND `type` = 0 ;";
	$result = mysql_query($query);
	$rows = mysql_fetch_row($result);
	mysql_free_result($result);
	return $rows[0];
}

function pc_blog_menu($link,$pc,$tag=9)
{
	if(!$pc || !is_array($pc) || !$pc["UID"])
		return NULL;
	if($tag == 9)
		$query = "SELECT * FROM topics WHERE `uid` = '".intval($pc["UID"])." ' ORDER BY `sequen` ;";
	else
		$query = "SELECT * FROM topics WHERE `uid` = '".intval($pc["UID"])." ' AND ( `access` = '".intval($tag)."' OR `access` = 9 ) ORDER BY `sequen` DESC ;";
	$result = mysql_query($query,$link);
	$blog = array();
	while($rows = mysql_fetch_array($result))
	{
		$blog[] = array(
				"TID" => $rows[tid],
				"NAME" => $rows[topicname],
				"SEQ" => $rows[sequen],
				"TAG" => $rows[access]
				);
	}
	mysql_free_result($result);
	
	if($tag==0 && $pc["DEFAULTTOPIC"]) //自定义公开区默认分类
	{
		$blog[] = array(
				"TID" => 0,
				"NAME" => $pc["DEFAULTTOPIC"],
				"SEQ" => 0,
				"TAG" => 9
				);
	}
	elseif($tag != 0 && $tag != 9)
	{
		$blog[] = array(
				"TID" => 0,
				"NAME" => "其他类别",
				"SEQ" => 0,
				"TAG" => 9
				);
	}
	else
	{
		// nth :p
	}
	
	
	return $blog;
}

function pc_style_array($i)
{
	switch($i)
	{
		case 1:
			$style = array(
				"SID" => 1,
				"INDEXFUNC" => "display_blog_smth",
				"TOPIMG" => "style/default/p1.jpg",
				"CSSFILE" => "default.css"
				);
			break;
		case 2:
			$style = array(
				"SID" => 2,
				"INDEXFUNC" => "display_blog_earthsong",
				"TOPIMG" => "style/default/p1.jpg",
				"CSSFILE" => "style/earthsong/earthsong.css"
				);
			break;
		case 9:
			$style = array(
				"SID" => 9,
				);
			break;
		default:		
			$style = array(
				"SID" => 0,
				"INDEXFUNC" => "display_blog_default",
				"TOPIMG" => "style/default/p1.jpg",
				"CSSFILE" => "default.css"
				);	
	}
	return $style;
}

function get_next_month($yy,$mm)
{
	$mm ++;
	if($mm > 12)
	{
		$mm = 1;
		$yy ++ ;
	}	
	return array($yy,$mm);
}

function get_pre_month($yy,$mm)
{
	$mm --;
	if($mm < 1)
	{
		$mm = 12;
		$yy --;
	}
	return array($yy,$mm);
}

function display_blog_catalog()
{
	global $pcconfig;
	$secNum = count($pcconfig["SECTION"]);
	$secKeys = array_keys($pcconfig["SECTION"]);
?>
<center><table cellspacing=0 cellpadding=3 border=0 width=90% class=t1>
<tr>
	<td class=t8><strong>Blog分类&gt;&gt;</strong></td>
</tr>
<tr>
	<td class=t4>
	<table cellspacing=0 cellpadding=3 border=0 width=98% class=f1>
<?php
	for($i = 0 ; $i < $secNum ; $i ++ )
	{
		if( $i % 6 == 0 ) echo "<tr>";		
		echo "<td class=f1 align=center><a href=\"pcsec.php?sec=".htmlspecialchars($secKeys[$i])."\">".htmlspecialchars($pcconfig["SECTION"][$secKeys[$i]])."</a></td>";
		if( $i % 6 == 5 ) echo "</tr>";
	}
?>
	</table>
	</td>
</tr>
</table></center><br />
<?php	
}

function pc_get_user_permission($currentuser,$pc)
{
	global $loginok;
	if(pc_is_admin($currentuser,$pc) && $loginok == 1)
	{
		$sec = array("公开区","好友区","私人区","收藏区","删除区","设定好友","Blog管理","参数设定");
		$pur = 3;
		$tags = array(1,1,1,1,1,1,1,1);
	}
	elseif(pc_is_friend($currentuser["userid"],$pc["USER"]) || pc_is_manager($currentuser))
	{
		$sec = array("公开区","好友区");
		$pur = 1;
		$tags = array(1,1,0,0,0,0,0,0);
		if($pc["FAVMODE"] == 1 || $pc["FAVMODE"] == 2)//收藏夹模式
		{
			$sec[3] = "收藏区";
			$tags[3] = 1;
		}
	}
	else
	{
		$sec = array("公开区");
		$pur = 0;
		$tags = array(1,0,0,0,0,0,0,0);
		if($pc["FAVMODE"] == 2)//收藏夹模式
		{
			$sec[3] = "收藏区";
			$tags[3] = 1;
		}
	}	
	return array(
		"tags" => $tags ,
		"pur" => $pur , 
		"sec" => $sec  
		);
}

function pc_select_blogtheme($theme,$themeValue="pcthem")
{
	global $pcconfig;
?>
<select name="<?php echo $themeValue; ?>" class="f1">
<?php
	reset($pcconfig["SECTION"]);
	while( list($sec , $secName) = each($pcconfig["SECTION"]) )
	{
		if($theme[0] == $sec)
			echo "<option value=\"".htmlspecialchars($sec)."\" selected>".htmlspecialchars($secName)."</option>";
		else
			echo "<option value=\"".htmlspecialchars($sec)."\">".htmlspecialchars($secName)."</option>";
	}	
?>
</select>
<?php
}

function pc_cache( $modifytime )
{
	$lastmodifytime = time_format( $modifytime );
	$lastmodifytime = strtotime( $lastmodifytime );
	if (cache_header("public",$lastmodifytime,300))
		return TRUE;
	else
		return FALSE;
}

function pc_main_navigation_bar()
{
	global $pcconfig;
?>
<p align="center">
[<a href="pcmain.php">首页</a>]
[<a href="pc.php">用户</a>]
[<a href="pclist.php">热门排行</a>]
[<a href="pcsec.php">分类</a>]
[<a href="pcreclist.php">推荐文章</a>]
[<a href="pcnew.php">最新日志</a>]
[<a href="pcnew.php?t=c">最新评论</a>]
[<a href="pcsearch2.php">博客搜索</a>]
[<a href="pcnsearch.php">日志搜索</a>]
[<a href="/bbsdoc.php?board=<?php echo $pcconfig["BOARD"]; ?>">论坛</a>]
[<a href="pcapp0.html"><font color=red>申请</font></a>]
<?php
	if( $pcconfig["ADMIN"] ){
?>
[<a href="index.php?id=<?php echo $pcconfig["ADMIN"]; ?>">帮助主题</a>]
<?php
	}
?>
</p><p align="center">
[<b><img src="images/xml.gif" border="0" align="absmiddle" alt="XML">RSS频道</b>&nbsp;
<a href="rssnew.php">最新日志</a>
<a href="rssrec.php">推荐文章</a>
<a href="opml.php?t=2">新用户(OPML)</a>
<a href="opml.php">最近更新(OPML)</a>
<a href="opml.php?t=1">访问最多(OPML)</a>
]
</p>
<?php	
}

function pc_update_cache_header($updatetime = 10)
{
	global $cachemode;
	$scope = "public";
	$modifytime=time();
	$expiretime=300;
	session_cache_limiter($scope);
	$cachemode=$scope;
	@$oldmodified=$_SERVER["HTTP_IF_MODIFIED_SINCE"];
	if ($oldmodified!="") {
                $oldtime=strtotime($oldmodified);
	} else $oldtime=0;
	if ($modifytime - $oldtime < 60 * $updatetime ) {
		header("HTTP/1.1 304 Not Modified");
	        header("Cache-Control: max-age=" . "$expiretime");
		return TRUE;
	}
	header("Last-Modified: " . gmdate("D, d M Y H:i:s", $modifytime) . "GMT");
	header("Expires: " . gmdate("D, d M Y H:i:s", $modifytime+$expiretime) . "GMT");
	header("Cache-Control: max-age=" . "$expiretime");
	return FALSE;
}

function pc_logs($link , $action , $comment = "" , $pri_id = "" , $sec_id = "")
{
	global $currentuser;
	if( !$action ) 
		return FALSE;
	
	$query = "INSERT INTO `logs` ( `lid` , `username` , `hostname` , `ACTION` , `pri_id` , `sec_id` , `COMMENT` , `logtime` )".
		"VALUES ('', '".addslashes($currentuser[userid])."', '".addslashes($_SERVER["REMOTE_ADDR"])."', '".addslashes($action)."', '".addslashes($pri_id)."', '".addslashes($sec_id)."', '".addslashes($comment)."', NOW( ) );";
	mysql_query($query,$link);
	return TRUE;
}

function pc_counter($link)
{
	global $pc,$currentuser;
	if(!$pc || !is_array($pc))
		return FALSE;
	$visitcount = $_COOKIE["BLOGVISITCOUNT"];
	$action = $currentuser["userid"]." visit ".$pc["USER"]."'s Blog(www)";
	if(!$visitcount)
	{
		$query = "SELECT logtime FROM logs WHERE hostname = '".addslashes($_SERVER["REMOTE_ADDR"])."' AND username = '".addslashes($currentuser[userid])."' AND pri_id = '".addslashes($pc["USER"])."' ORDER BY lid DESC LIMIT 0,1;";
		$result = mysql_query($query,$link);
		$rows = mysql_fetch_array($result);
		mysql_free_result($result);
		if( !$rows )
		{
			pc_visit_counter($link,$pc["UID"]);//计数器加1
			pc_logs($link,$action,"",$pc["USER"]);//记一下访问日志
			$pc["VISIT"] ++;
			$visitcount = ",".$pc["UID"].",";
			setcookie("BLOGVISITCOUNT",$visitcount);
			return;
		}
		elseif( date("YmdHis") - $rows[logtime] > 10000 )//1个小时log一次 
		{
			pc_visit_counter($link,$pc["UID"]);//计数器加1
			pc_logs($link,$action,"",$pc["USER"]);//记一下访问日志
			$pc["VISIT"] ++;
			$visitcount = ",".$pc["UID"].",";
			setcookie("BLOGVISITCOUNT",$visitcount);
			return;
		}
		else
			return;
	}
	elseif(!stristr($visitcount,",".$pc["UID"].","))
	{
		pc_visit_counter($link,$pc["UID"]);//计数器加1
		pc_logs($link,$action,"",$pc["USER"]);//记一下访问日志
		$pc["VISIT"] ++;
		$visitcount .= $pc["UID"].",";
		setcookie("BLOGVISITCOUNT",$visitcount);
		return;
	}	
}

function pc_node_counter($link,$nid)
{
	$query = "UPDATE nodes SET visitcount = visitcount + 1 , changed  = changed  WHERE `nid` = '".$nid."' ;";
	mysql_query($query,$link);
}

function pc_ncounter($link,$nid)
{
	if(!$_COOKIE["BLOGREADNODES"])
	{
		$readnodes = ",".$nid.",";
		setcookie("BLOGREADNODES",$readnodes);
		pc_node_counter($link,$nid);
	}
	elseif(!stristr($_COOKIE["BLOGREADNODES"],",".$nid.","))
	{
		$readnodes = $_COOKIE["BLOGREADNODES"] . $nid.",";
		setcookie("BLOGREADNODES",$readnodes);
		pc_node_counter($link,$nid);
	}
}

/*
**	0: XSL 
**	1: CSS
*/
function pc_load_stylesheet($link,$pc)
{
	$query = "SELECT stylesheet FROM userstyle WHERE uid = '".$pc["UID"]."' LIMIT 0 , 1;";	
	$result = mysql_query($query,$link);
	$rows = mysql_fetch_array($result);
	if(!$rows)
		return FALSE;
	return intval($rows[stylesheet]);
}

function html_format_fix_length($str,$length)
{
	if(strlen($str) <= $length )
		return $str;
	$str = substr($str,0,$length);
	$str .= "...";
	return $str;	
}

function myAddslashes($str)
{
    $str = addslashes($str);
    $str = str_replace("_","\_",$str);
    $str = str_replace("%","\%",$str);
    return $str;
}

function pc_load_topic($link,$uid,$tid,&$topicname,$access=9)
{
	$uid = intval($uid);
	$tid = intval($tid);
	$access = intval($access);
	
	if($access == 9)
		$query = "SELECT topicname FROM topics WHERE tid = ".$tid." AND uid = ".$uid." LIMIT 0 , 1;";