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PHP 压缩文件夹的类代码 压缩文件夹, 压缩
/* 
$Id: PHPZip.php 
*/ 
class PHPZip { 
var $datasec = array(); 
var $ctrl_dir = array(); 
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00"; 
var $old_offset = 0; 
function Zip($dir, $zipfilename) { 
if (@function_exists('gzcompress')) { 
@set_time_limit("0"); 
$this->openFile($dir,$dir); 
$out = $this -> filezip(); 
$fp = fopen($zipfilename, "w"); 
fwrite($fp, $out, strlen($out)); 
fclose($fp); 
} 
} 
function openFile($path, $zipName) { 
$temp_path = $path; 
$temp_zip_path = $zipName; 
$zipDir = $zipName; 
if ($handle = @opendir($path)) { 
while (false !== ($file = readdir($handle))) { 
if($file !='.' and $file !='..'){ 
if(ereg('\.' , $file.@basename())) { 
$fd = fopen($path.'/'.$file, "r"); 
$fileValue = @fread ($fd, 1024000); 
fclose ($fd); 
$this -> addFile($fileValue, $zipName . '/' . $file); 
} else { 
$this ->openFile($path.'/'.$file, $zipName . '/' . $file); 
} 
} 
} 
$zipName = $temp_zip_path; 
$path = $temp_path; 
closedir($handle); 
} 
} 
function unix2DosTime($unixtime = 0) { 
$timearray = ($unixtime == 0) ? getdate() : getdate($unixtime); 
if ($timearray['year'] < 1980) { 
$timearray['year'] = 1980; 
$timearray['mon'] = 1; 
$timearray['mday'] = 1; 
$timearray['hours'] = 0; 
$timearray['minutes'] = 0; 
$timearray['seconds'] = 0; 
} 
return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) | 
($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1); 
} 
function addFile($data, $name, $time = 0) { 
$name = str_replace('\\', '/', $name); 
$dtime = dechex($this->unix2DosTime($time)); 
$hexdtime = '\x' . $dtime[6] . $dtime[7] 
. '\x' . $dtime[4] . $dtime[5] 
. '\x' . $dtime[2] . $dtime[3] 
. '\x' . $dtime[0] . $dtime[1]; 
eval('$hexdtime = "' . $hexdtime . '";'); 
$fr = "\x50\x4b\x03\x04"; 
$fr .= "\x14\x00"; 
$fr .= "\x00\x00"; 
$fr .= "\x08\x00"; 
$fr .= $hexdtime; 
$unc_len = strlen($data); 
$crc = crc32($data); 
$zdata = gzcompress($data); 
$c_len = strlen($zdata); 
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); 
$fr .= pack('V', $crc); 
$fr .= pack('V', $c_len); 
$fr .= pack('V', $unc_len); 
$fr .= pack('v', strlen($name)); 
$fr .= pack('v', 0); 
$fr .= $name; 
$fr .= $zdata; 
$fr .= pack('V', $crc); 
$fr .= pack('V', $c_len); 
$fr .= pack('V', $unc_len); 
$this -> datasec[] = $fr; 
$new_offset = strlen(implode('', $this->datasec)); 
$cdrec = "\x50\x4b\x01\x02"; 
$cdrec .= "\x00\x00"; 
$cdrec .= "\x14\x00"; 
$cdrec .= "\x00\x00"; 
$cdrec .= "\x08\x00"; 
$cdrec .= $hexdtime; 
$cdrec .= pack('V', $crc); 
$cdrec .= pack('V', $c_len); 
$cdrec .= pack('V', $unc_len); 
$cdrec .= pack('v', strlen($name) ); 
$cdrec .= pack('v', 0 ); 
$cdrec .= pack('v', 0 ); 
$cdrec .= pack('v', 0 ); 
$cdrec .= pack('v', 0 ); 
$cdrec .= pack('V', 32 ); 
$cdrec .= pack('V', $this -> old_offset ); 
$this -> old_offset = $new_offset; 
$cdrec .= $name; 
$this -> ctrl_dir[] = $cdrec; 
} 
function filezip() { 
$data = implode('', $this -> datasec); 
$ctrldir = implode('', $this -> ctrl_dir); 
return 
$data . 
$ctrldir . 
$this -> eof_ctrl_dir . 
pack('v', sizeof($this -> ctrl_dir)) . 
pack('v', sizeof($this -> ctrl_dir)) . 
pack('V', strlen($ctrldir)) . 
pack('V', strlen($data)) . 
"\x00\x00"; 
} 
} 
PHP CKEditor 上传图片实现代码 ckeditor, 上传图片
/* 
CKEditor_upload.php 
monkee 
2009-11-15 16:47 
*/ 
$config=array(); 
$config['type']=array("flash","img"); //上传允许type值 
$config['img']=array("jpg","bmp","gif"); //img允许后缀 
$config['flash']=array("flv","swf"); //flash允许后缀 
$config['flash_size']=200; //上传flash大小上限 单位:KB 
$config['img_size']=500; //上传img大小上限 单位:KB 
$config['message']="上传成功"; //上传成功后显示的消息,若为空则不显示 
$config['name']=mktime(); //上传后的文件命名规则 这里以unix时间戳来命名 
$config['flash_dir']="/ckeditor/upload/flash"; //上传flash文件地址 采用绝对地址 方便upload.php文件放在站内的任何位置 后面不加"/" 
$config['img_dir']="/ckeditor/upload/img"; //上传img文件地址 采用绝对地址 采用绝对地址 方便upload.php文件放在站内的任何位置 后面不加"/" 
$config['site_url']=""; //网站的网址 这与图片上传后的地址有关 最后不加"/" 可留空 
//文件上传 
uploadfile(); 
function uploadfile() 
{ 
global $config; 
//判断是否是非法调用 
if(empty($_GET['CKEditorFuncNum'])) 
mkhtml(1,"","错误的功能调用请求"); 
$fn=$_GET['CKEditorFuncNum']; 
if(!in_array($_GET['type'],$config['type'])) 
mkhtml(1,"","错误的文件调用请求"); 
$type=$_GET['type']; 
if(is_uploaded_file($_FILES['upload']['tmp_name'])) 
{ 
//判断上传文件是否允许 
$filearr=pathinfo($_FILES['upload']['name']); 
$filetype=$filearr["extension"]; 
if(!in_array($filetype,$config[$type])) 
mkhtml($fn,"","错误的文件类型!"); 
//判断文件大小是否符合要求 
if($_FILES['upload']['size']>$config[$type."_size"]*1024) 
mkhtml($fn,"","上传的文件不能超过".$config[$type."_size"]."KB!"); 
//$filearr=explode(".",$_FILES['upload']['name']); 
//$filetype=$filearr[count($filearr)-1]; 
$file_abso=$config[$type."_dir"]."/".$config['name'].".".$filetype; 
$file_host=$_SERVER['DOCUMENT_ROOT'].$file_abso; 
if(move_uploaded_file($_FILES['upload']['tmp_name'],$file_host)) 
{ 
mkhtml($fn,$config['site_url'].$file_abso,$config['message']); 
} 
else 
{ 
mkhtml($fn,"","文件上传失败,请检查上传目录设置和目录读写权限"); 
} 
} 
} 
//输出js调用 
function mkhtml($fn,$fileurl,$message) 
{ 
$str='<script type="text/javascript">window.parent.CKEDITOR.tools.callFunction('.$fn.', \''.$fileurl.'\', \''.$message.'\');</script>'; 
exit($str); 
} 
PHP无限分类 无限分类, 分类 http://www.pkphp.com
/**
* author: askie
* blog: http://www.pkphp.com
* 版权: 随便用
* 无限分类
*/
class Tree
{
        public $data=array();
        public $cateArray=array();
        
        function Tree()
        {
               
        }
        function setNode ($id, $parent, $value)
    {
        $parent = $parent?$parent:0;
        $this->data[$id]                = $value;
        $this->cateArray[$id]        = $parent;
    }
    function getChildsTree($id=0)
    {
            $childs=array();
            foreach ($this->cateArray as $child=>$parent)
            {
                    if ($parent==$id)
                    {
                            $childs[$child]=$this->getChildsTree($child);
                    }
                    
            }
            return $childs;
    }
    function getChilds($id=0)
    {
            $childArray=array();
            $childs=$this->getChild($id);
            foreach ($childs as $child)
            {
                    $childArray[]=$child;
                    $childArray=array_merge($childArray,$this->getChilds($child));
            }
            return $childArray;
    }
    function getChild($id)
    {
            $childs=array();
            foreach ($this->cateArray as $child=>$parent)
            {
                    if ($parent==$id)
                    {
                            $childs[$child]=$child;
                    }
            }
            return $childs;
    }
    //单线获取父节点
    function getNodeLever($id)
    {
            $parents=array();
            if (key_exists($this->cateArray[$id],$this->cateArray))
            {
                    $parents[]=$this->cateArray[$id];
                    $parents=array_merge($parents,$this->getNodeLever($this->cateArray[$id]));
            }
            return $parents;
    }
    function getLayer($id,$preStr='|-')
    {
            return str_repeat($preStr,count($this->getNodeLever($id)));
    }
    function getValue ($id)
    {
        return $this->data[$id];
    } // end func
}

/*$Tree = new Tree("请选择分类");
//setNode(目录ID,上级ID,目录名字);
$Tree->setNode(1, 0, '目录1');
$Tree->setNode(2, 1, '目录2');
$Tree->setNode(5, 3, '目录5');
$Tree->setNode(3, 0, '目录3');
$Tree->setNode(4, 2, '目录4');
$Tree->setNode(9, 4, '目录9');
$Tree->setNode(6, 2, '目录6');
$Tree->setNode(7, 2, '目录7');
$Tree->setNode(8, 3, '目录8');

//print_r($Tree->getChildsTree(0));
//print_r($Tree->getChild(0));
//print_r($Tree->getLayer(2));

$category = $Tree->getChilds();

//遍历输出
foreach ($category as $key=>$id)
{
    echo $id.$Tree->getLayer($id, '|-').$Tree->getValue($id)."\n";
}*/

?>
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