mdate'] &;&; $header['mtime'])
{
$hour = ($header['mtime'] &; 0xF800) >> 11;
$minute = ($header['mtime'] &; 0x07E0) >> 5;
$seconde = ($header['mtime'] &; 0x001F)*2;
$year = (($header['mdate'] &; 0xFE00) >> 9) + 1980;
$month = ($header['mdate'] &; 0x01E0) >> 5;
$day = $header['mdate'] &; 0x001F;
$header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
} else {
$header['mtime'] = time();
}
$header['stored_filename'] = $header['filename'];
$header['status'] = 'ok';
if (substr($header['filename'], -1) == '/')
$header['external'] = 0x41FF0010;
return $header;
}
function ReadCentralDir($zip,$zip_name){
$size = filesize($zip_name);
if ($size < 277) $maximum_size = $size;
else $maximum_size=277;
@fseek($zip, $size-$maximum_size);
$pos = ftell($zip); $bytes = 0x00000000;
while ($pos < $size){
$byte = @fread($zip, 1); $bytes=($bytes << 8) | ord($byte);
if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506){ $pos++;break;} $pos++;
}
$fdata=fread($zip,18);
$data=@unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$fdata);
if ($data['comment_size'] != 0) $centd['comment'] = fread($zip, $data['comment_size']);
else $centd['comment'] = ''; $centd['entries'] = $data['entries'];
$centd['disk_entries'] = $data['disk_entries'];
$centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start'];
$centd['size'] = $data['size']; $centd['disk'] = $data['disk'];
return $centd;
}
function ExtractFile($header,$to,$zip){
$header = $this->readfileheader($zip);
if(substr($to,-1)!="/") $to.="/";
if($to=='./') $to = '';
$pth = explode("/",$to.$header['filename']);
$mydir = '';
for($i=0;$i
if(!$pth[$i]) continue;
$mydir .= $pth[$i]."/";
if((!is_dir($mydir) &;&; @mkdir($mydir,0777)) || (($mydir==$to.$header['filename'] || ($mydir==$to &;&; $this->total_folders==0)) &;&; is_dir($mydir)) ){
@chmod($mydir,0777);
$this->total_folders ++;
}
}
if(strrchr($header['filename'],'/')=='/') return;
if (!($header['external']==0x41FF0010)&;&;!($header['external']==16)){
if ($header['compression']==
0){
$fp = @fopen($to.$header['filename'], 'wb');
if(!$fp) return(-1);
$size = $header['compressed_size'];
while ($size != 0){
$read_size = ($size < 2048 ? $size : 2048);
$buffer = fread($zip, $read_size);
$binary_data = pack('a'.$read_size, $buffer);
@fwrite($fp, $binary_data, $read_size);
$size -= $read_size;
}
fclose($fp);
touch($to.$header['filename'], $header['mtime']);
}else{
$fp = @fopen($to.$