Location: PHPKode > projects > Nukequiz > html/modules/Nukequiz/admin/NQACreateArchive.php
<?php
/*****************************************************************/
/* Nukequiz (tm)    v 3.1.0                                		 */
/* By: Kissoftware (hide@address.com)      		     */
/* http://www.kissoftware.org.uk                           		 */
/* http://www.kissoftware.co.uk                       		     */
/* Copyright © 2003-2008 by Kissoftware         				 */
/* See Docs For Information & Credits                 			 */
/* For More information Visit Forums Or The Online Help Manual	 */
/*****************************************************************/
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 $old_offset   = 0;
function unix2DosTime($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) | ($timearray['seconds'] >> 1);
} // end of the 'unix2DosTime()' method
function addFile($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";            // ver needed to extract
$fr   .= "\x00\x00";            // gen purpose bit flag
$fr   .= "\x08\x00";            // compression method
$fr   .= $hexdtime;             // last mod time and date
$unc_len = strlen($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;
$fr .= $zdata;
$fr .= pack('V', $crc);                 // crc32
$fr .= pack('V', $c_len);               // compressed filesize
$fr .= pack('V', $unc_len);             // uncompressed filesize
$this -> datasec[] = $fr;
$new_offset        = strlen(implode('', $this->datasec));
$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;
$this -> ctrl_dir[] = $cdrec;
} // end of the 'addFile()' method
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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