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<?php  
/**  
* 使用共享内存的PHP循环内存队列实现  
* 支持多进程, 支持各种数据类型的存储  
* 注: 完成入队或出队操作,尽快使用unset(), 以释放临界区  
*  
* @author wangbinandi@gmail.com  
* @created 2009-12-23  
*/  
class SHMQueue  
{  
    private $maxQSize = 0; // 队列最大长度  
      
    private $front = 0; // 队头指针  
    private $rear = 0;  // 队尾指针  
      
    private $blockSize = 256;  // 块的大小(byte)  
    private $memSize = 25600;  // 最大共享内存(byte)  
    private $shmId = 0;  
      
    private $filePtr = './shmq.ptr';  
      
    private $semId = 0;  
    public function __construct()  
    {          
        $shmkey = ftok(__FILE__, 't');  
          
        $this->shmId = shmop_open($shmkey, "c", 0644, $this->memSize );  
        $this->maxQSize = $this->memSize / $this->blockSize;  
          
         // 申請一个信号量  
        $this->semId = sem_get($shmkey, 1);  
        sem_acquire($this->semId); // 申请进入临界区          
          
        $this->init();  
    }  
      
    private function init()  
    {  
        if ( file_exists($this->filePtr) ){  
            $contents = file_get_contents($this->filePtr);  
            $data = explode( '|', $contents );  
            if ( isset($data[0]) && isset($data[1])){  
                $this->front = (int)$data[0];  
                $this->rear  = (int)$data[1];  
            }  
        }  
    }  
      
    public function getLength()  
    {  
        return (($this->rear - $this->front + $this->memSize) % ($this->memSize) )/$this->blockSize;  
    }  
      
    public function enQueue( $value )  
    {  
        if ( $this->ptrInc($this->rear) == $this->front ){ // 队满  
            return false;  
        }  
          
        $data = $this->encode($value);  
        shmop_write($this->shmId, $data, $this->rear );  
        $this->rear = $this->ptrInc($this->rear);  
        return true;  
    }  
          
    public function deQueue()  
    {  
        if ( $this->front == $this->rear ){ // 队空  
            return false;  
        }  
        $value = shmop_read($this->shmId, $this->front, $this->blockSize-1);  
        $this->front = $this->ptrInc($this->front);  
        return $this->decode($value);  
    }  
      
    private function ptrInc( $ptr )  
    {  
        return ($ptr + $this->blockSize) % ($this->memSize);  
    }  
      
    private function encode( $value )  
    {  
        $data = serialize($value) . "__eof";  
        if ( strlen($data) > $this->blockSize -1 ){  
            throw new Exception(strlen($data)." is overload block size!");  
        }  
        return $data;  
    }  
      
    private function decode( $value )  
    {  
        $data = explode("__eof", $value);  
        return unserialize($data[0]);          
    }  
      
    public function __destruct()  
    {  
        $data = $this->front . '|' . $this->rear;  
        file_put_contents($this->filePtr, $data);  
          
        sem_release($this->semId); // 出临界区, 释放信号量  
    }  
}  

$shmq = new SHMQueue();  
$data = 'test data';  
$shmq->enQueue($data);  
unset($shmq);  
// 出队操作  
$shmq = new SHMQueue();  
$data = $shmq->deQueue();  
unset($shmq);

<div style="z-index:-1;">
    <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="900" height="150">
    <param name="movie" value="i/banner.swf" />
    <param name="quality" value="high" />
    <param name="wmode" value="transparent">
    <embed src="i/banner.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="900" height="150" wmode="transparent"></embed>
    </object>
</div>

@ ECHO OFF
@ ECHO.
@ ECHO.
@ ECHO.                            说   明
@ ECHO ———————————————————————–
@ ECHO 如果安装了NOD32激活版而没有激活，开机后激活程序会自动弹出，本批处理就
@ ECHO 是方便用户解决此问题。
@ ECHO                   http://www.nod32id.com                        
@ ECHO ———————————————————————–
PAUSE
reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v essact /f

nsession.sql
===========================================================================
create table mysession(
session_key char(32) not null,
session_data text,
session_expiry int(11),
primary key(session_key)
);

<?php

function mysession_open($save_path, $session_name)
{
//echo ''save_path ''.$save_path.''<br />'';
//echo ''session_name ''.$session_name.''<br />'';
@mysql_connect("localhost", "root", "171084") //选择数据库之前需要先连接数据库服务器
or die("数据库服务器连接失败");
@mysql_select_db("test") //选择数据库mydb
or die("数据库不存在或不可用");
return true;
}

function mysession_close()
{
return true;
}

function mysession_read($key)
{
//echo ''key ''.$key.''<br />'';
// @mysql_connect("localhost", "root", "171084") //选择数据库之前需要先连接数据库服务器
// or die("数据库服务器连接失败");
// @mysql_select_db("test") //选择数据库mydb
// or die("数据库不存在或不可用");
$expiry_time = time(); //获取Session失效时间
//执行SQL语句获得Session的值
$query = @mysql_query("select session_data from mysession "
."where session_key = ''$key'' and session_expiry > $expiry_time")
or die("SQL语句执行失败");
if($row = mysql_fetch_array($query))
return $row[''session_data''];
else
return false;
}

function mysession_write($key, $data)
{
//echo ''write: ''.$key.''<br />'';
//echo ''data ''.$data.''<br />'';
// @mysql_connect("localhost", "root", "171084") //选择数据库之前需要先连接数据库服务器
// or die("数据库服务器连接失败");
// @mysql_select_db("test") //选择数据库mydb
// or die("数据库不存在或不可用");
$expiry_time = time() + 5; //获取Session失效时间
//查询Session的键值是否已经存在
$query = @mysql_query("select session_data from mysession "
."where session_key = ''$key''")
or die("SQL语句执行失败");
//如果不存在，则执行插入操作，否则执行更新操作
if(mysql_numrows($query) == 0)
{
//执行SQL语句插入Session 的值
$query = @mysql_query("insert into mysession values(''$key'', ''$data'', $expiry_time)")
or die("SQL语句执行失败");
}
else
{
//执行 SQL语句更新Session的值
$query = @mysql_query("update mysession set "
."session_data = ''$data'', session_expiry = $expiry_time "
."where session_key = ''$key''")
or die("SQL语句执行失败");
}
return $query;
}

function mysession_destroy($key)
{
// @mysql_connect("localhost", "root", "171084") //选择数据库之前需要先连接数据库服务器
// or die("数据库服务器连接失败");
// @mysql_select_db("test") //选择数据库mydb
// or die("数据库不存在或不可用");
//执行SQL语句删除Session
$query = @mysql_query("delete from mysession where session_key = ''$key''")
or die("SQL语句执行失败");
return $query;
}

function mysession_gc($expiry_time)
{
// echo "gc called ";
// @mysql_connect("localhost", "root", "171084") //选择数据库之前需要先连接数据库服务器
// or die("数据库服务器连接失败");
// @mysql_select_db("test") //选择数据库mydb
// or die("数据库不存在或不可用");
$expiry_time = time();
//执行SQL语句删除Session
$query = @mysql_query("delete from mysession where session_expiry < $expiry_time")
or die("SQL语句执行失败");
return $query;
}
// $domain = '''';
//不使用 GET/POST 变量方式
ini_set(''session.use_trans_sid'', 0);
//设置垃圾回收最大生存时间
ini_set(''session.gc_maxlifetime'', 5);
//使用 COOKIE 保存 SESSION ID 的方式
//ini_set(''session.use_cookies'', 1);
//ini_set(''session.cookie_path'', ''/'');
//多主机共享保存 SESSION ID 的 COOKIE
//ini_set(''session.cookie_domain'', $domain);
//设置用户自定义Session存储
ini_set(''session.save_handler'', ''user'');

session_set_save_handler(''mysession_open'',
''mysession_close'',
''mysession_read'',
''mysession_write'',
''mysession_destroy'',
''mysession_gc'');
?>

<?php
include(''session_inc.php''); //包含session_set_save_handler定义的文件
session_start();
$_SESSION[''passed''] = true;
echo $_SESSION[''passed''];
?>

session.gc_divisor 默认为 100。
ini_set(''session.gc_probability'', 50);
ini_set(''session.gc_divisor'', 100);

ini_set(''session.use_trans_sid'', 1);

<FORM METHOD="POST" ACTION="3231313.jsp" ENCTYPE="multipart/form-data">
<INPUT TYPE="FILE" NAME="FILE1" SIZE="50"><BR>
<input type="SUBMIT" value="上传" />
</FORM>

sshfs -p 36000 gastonwu@172.25.38.70:/home/gastonwu ~/dev70

mount -t smbfs -o username=peter,password=hello //192.168.7.123/ok

[root@localhost fuse-2.7.4]# yum -y install sshfs
Loaded plugins: fastestmirror
Determining fastest mirrors
* addons: mirrors.163.com
* base: mirrors.163.com
* extras: mirrors.163.com
* updates: mirrors.163.com
addons                                                                                                       |  951 B     00:00    
base                                                                                                         | 2.1 kB     00:00    
extras                                                                                                       | 2.1 kB     00:00    
extras/primary_db                                                                                            | 180 kB     00:00    
updates                                                                                                      | 1.9 kB     00:00    
updates/primary_db                                                                                           | 616 kB     00:00    
Setting up Install Process
No package sshfs available.
Nothing to do

yum -y install kernel-devel

[root@localhost fuse-2.7.4]# ls -l /usr/src/kernels/
drwxr-xr-x 19 root root 4096 05-10 22:32 2.6.18-164.15.1.el5-i686
drwxr-xr-x 19 root root 4096 01-05 21:47 2.6.18-164.el5-i686
[root@localhost fuse-2.7.4]# ./configure --with-kernel=/usr/src/kernels/2.6.18-164.15.1.el5-i686;make;make install

wget http://voxel.dl.sourceforge.net/sourceforge/fuse/fuse-2.7.4.tar.gz
tar zxpfv fuse-*.gz
cd fuse*
./configure

function resizeImage($im,$maxwidth,$maxheight,$name,$filetype)
{
    $pic_width = imagesx($im);
    $pic_height = imagesy($im);

    if(($maxwidth && $pic_width > $maxwidth) || ($maxheight && $pic_height > $maxheight))
    {
        if($maxwidth && $pic_width>$maxwidth)
        {
            $widthratio = $maxwidth/$pic_width;
            $resizewidth_tag = true;
        }

        if($maxheight && $pic_height>$maxheight)
        {
            $heightratio = $maxheight/$pic_height;
            $resizeheight_tag = true;
        }

        if($resizewidth_tag && $resizeheight_tag)
        {
            if($widthratio<$heightratio)
                $ratio = $widthratio;
            else
                $ratio = $heightratio;
        }

        if($resizewidth_tag && !$resizeheight_tag)
            $ratio = $widthratio;
        if($resizeheight_tag && !$resizewidth_tag)
            $ratio = $heightratio;

        $newwidth = $pic_width * $ratio;
        $newheight = $pic_height * $ratio;

        if(function_exists("imagecopyresampled"))
        {
            $newim = imagecreatetruecolor($newwidth,$newheight);
           imagecopyresampled($newim,$im,0,0,0,0,$newwidth,$newheight,$pic_width,$pic_height);
        }
        else
        {
            $newim = imagecreate($newwidth,$newheight);
           imagecopyresized($newim,$im,0,0,0,0,$newwidth,$newheight,$pic_width,$pic_height);
        }

        $name = $name.$filetype;
        imagejpeg($newim,$name);
        imagedestroy($newim);
    }
    else
    {
        $name = $name.$filetype;
        imagejpeg($im,$name);
    }          
}