功能:将文件压缩成zip,或者rar的压缩包。后缀名可以自定义。
使用方法:首先实例化,然后传参。两个参数。第一个关于你文件地址的一个Array。第二个是要你要保存的压缩包文件的绝对地址。
使用例子:
复制代码 代码如下:
$zipfiles =array("/root/pooy/test1.txt","/root/pooy/test2.txt");
$z = new PHPZip();
//$randomstr = random(8);
$zipfile = TEMP."/photocome_".$groupid.".zip";
$z->Zip($zipfiles, $zipfile); //添加文件列表
PHP的ZIP压缩类如下:
复制代码 代码如下:
<?php
#
# PHPZip v1.2 by Sext (sext@neud.net) 2002-11-18
# (Changed: 2003-03-01)
#
# Makes zip archive
#
# Based on "Zip file creation class", uses zLib
#
#
class PHPZip
{
function Zip($dir, $zipfilename)
{
if (@function_exists('gzcompress'))
{
$curdir = getcwd();
if (is_array($dir))
{
$filelist = $dir;
}
else
{
$filelist = $this -> GetFileList($dir);
}
if ((!empty($dir))&&(!is_array($dir))&&(file_exists($dir))) chdir($dir);
else chdir($curdir);
if (count($filelist)>0)
{
foreach($filelist as $filename)
{
if (is_file($filename))
{
$fd = fopen ($filename, "r");
$content = fread ($fd, filesize ($filename));
fclose ($fd);
if (is_array($dir)) $filename = basename($filename);
$this -> addFile($content, $filename);
}
}
$out = $this -> file();
chdir($curdir);
$fp = fopen($zipfilename, "w");
fwrite($fp, $out, strlen($out));
fclose($fp);
}
return 1;
}
else return 0;
}
function GetFileList($dir)
{
if (file_exists($dir))
{
$args = func_get_args();
$pref = $args[1];
$dh = opendir($dir);
while($files = readdir($dh))
{
if (($files!=".")&&($files!=".."))
{
if (is_dir($dir.$files))
{
$curdir = getcwd();
chdir($dir.$files);
$file = array_merge($file, $this -> GetFileList("", "$pref$files/"));
chdir($curdir);
}
else $file[]=$pref.$files;
}
}
closedir($dh);
}
return $file;
}
var $datasec = array();
var $ctrl_dir = array();
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old_offset = 0;
/**
* Converts an Unix timestamp to a four byte DOS date and time format (date
* in high two bytes, time in low two bytes allowing magnitude comparison).
*
* @param integer the current Unix timestamp
*
* @return integer the current date in a four byte DOS format
*
* @access private
*/
function unix2DosTime($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;
$timearray['seconds'] = 0;
} // end if
return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |
($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] 1);
} // end of the 'unix2DosTime()' method
/**
* Adds "file" to archive
*
* @param string file contents
* @param string name of the file in the archive (may contains the path)
* @param integer the current timestamp
*
* @access public
*/
function addFile($data, $name, $time = 0)
{
$name = str_replace('\\', '/', $name);
$dtime = dechex($this->unix2DosTime($time));
$hexdtime = '\x' . $dtime[6] . $dtime[7]
<a href="http://wutransfer.com/western-union-locations-in-russia-taiynsha/">Western union point</a> . '\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"; // ver needed to extract
$fr .= "\x00\x00"; // gen purpose bit flag
$fr .= "\x08\x00"; // compression method
$fr .= $hexdtime; // last mod time and date
// "local file header" segment
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$c_len = strlen($zdata);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); // fix crc bug
$fr .= pack('V', $crc); // crc32
$fr .= pack('V', $c_len); // compressed filesize
$fr .= pack('V', $unc_len); // uncompressed filesize
$fr .= pack('v', strlen($name)); // length of filename
$fr .= pack('v', 0); // extra field length
$fr .= $name;
// "file data" segment
$fr .= $zdata;
// "data descriptor" segment (optional but necessary if archive is not
// served as file)
$fr .= pack('V', $crc); // crc32
$fr .= pack('V', $c_len); // compressed filesize
$fr .= pack('V', $unc_len); // uncompressed filesize
// add this entry to array
$this -> datasec[] = $fr;
$new_offset = strlen(implode('', $this->datasec));
// now add to central directory record
$cdrec = "\x50\x4b\x01\x02";
$cdrec .= "\x00\x00"; // version made by
$cdrec .= "\x14\x00"; // version needed to extract
$cdrec .= "\x00\x00"; // gen purpose bit flag
$cdrec .= "\x08\x00"; // compression method
$cdrec .= $hexdtime; // last mod time & date
$cdrec .= pack('V', $crc); // crc32
$cdrec .= pack('V', $c_len); // compressed filesize
$cdrec .= pack('V', $unc_len); // uncompressed filesize
$cdrec .= pack('v', strlen($name) ); // length of filename
$cdrec .= pack('v', 0 ); // extra field length
$cdrec .= pack('v', 0 ); // file comment length
$cdrec .= pack('v', 0 ); // disk number start
$cdrec .= pack('v', 0 ); // internal file attributes
$cdrec .= pack('V', 32 ); // external file attributes - 'archive' bit set
$cdrec .= pack('V', $this -> old_offset ); // relative offset of local header
$this -> old_offset = $new_offset;
$cdrec .= $name;
// optional extra field, file comment goes here
// save to central directory
$this -> ctrl_dir[] = $cdrec;
} // end of the 'addFile()' method
/**
* Dumps out file
*
* @return string the zipped file
*
* @access public
*/
function file()
{
$data = implode('', $this -> datasec);
$ctrldir = implode('', $this -> ctrl_dir);
return
$data .
$ctrldir .
$this -> eof_ctrl_dir .
pack('v', sizeof($this -> ctrl_dir)) . // total # of entries "on this disk"
pack('v', sizeof($this -> ctrl_dir)) . // total # of entries overall
pack('V', strlen($ctrldir)) . // size of central dir
pack('V', strlen($data)) . // offset to start of central dir
"\x00\x00"; // .zip file comment length
} // end of the 'file()' method
} // end of the 'PHPZip' class
?>
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《魔兽世界》大逃杀!60人新游玩模式《强袭风暴》3月21日上线
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