PHP zip ファイル解凍クラス コード_PHP チュートリアル

コードをコピーします コードは次のとおりです:

クラス zip
{
var $datasec, $ctrl_dir = array();
var $eof_ctrl_dir = "x50x4bx05x06x00x00x00x00";
var $old_offset = 0; var $dirs = Array(".");
関数 get_List($zip_name)
{
$zip = @fopen($zip_name, 'rb');
if(!$zip) return(0);
$centd = $this->ReadCentralDir($zip,$zip_name);
@rewind($zip);
@fseek($zip, $centd['offset']);
for ($i=0; $i{
$header = $this->ReadCentralFileHeaders($zip);
$header['index'] = $i;$info['filename'] = $header['filename'];
$info['stored_filename'] = $header['stored_filename'];
$info['size'] = $header['size'];$info['compressed_size']=$header['compressed_size'];
$info['crc'] = strtoupper(dechex( $header['crc'] ));
$info['mtime'] = $header['mtime']; $info['コメント'] = $header['コメント'];
$info['folder'] = ($header['external']==0x41FF0010||$header['external']==16)?1:0;
$info['index'] = $header['index'];$info['status'] = $header['status'];
$ret[]=$info; unset($header);
}
$ret を返す;
}
関数 Add($files,$compact)
{
if(!is_array($files[0])) $files=Array($files);
for($i=0;$files[$i];$i++){
$fn = $files[$i];
if(!in_Array(dirname($fn[0]),$this->dirs))
$this->add_Dir(dirname($fn[0]));
if(basename($fn[0]))
$ret[basename($fn[0])]=$this->add_File($fn[1],$fn[0],$compact);
}
$ret を返す;
}
function get_file()
{
$data = implode('', $this -> datasec);
$ctrldir = implode('', $this -> ctrl_dir);
$data を返します。 $ctrldir 。 $this -> eof_ctrl_dir 。
pack('v', sizeof($this -> ctrl_dir)).pack('v', sizeof($this -> ctrl_dir)).
pack('V', strlen($ctrldir)) 。 Pack('V', strlen($data)) 。 "x00x00";
}
関数 add_dir($name)
{
$name = str_replace("\", "/", $name);
$fr = "x50x4bx03x04x0ax00x00x00x00x00x00x00x00x00";
$fr .= Pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) );
$fr .= Pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0);
$これ ->データセック[] = $fr;
$new_offset = strlen(implode("", $this->datasec));
$cdrec = "x50x4bx01x02x00x00x0ax00x00x00x00x00x00x00x00x00";
$cdrec .= Pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) );
$cdrec .= Pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 );
$ext = "xffxffxffxff";
$cdrec .= Pack("V", 16 ).pack("V", $this -> old_offset ).$name;
$これ -> ctrl_dir[] = $cdrec;
$これ -> old_offset = $new_offset;
$これ -> dirs[] = $name;
}
function add_File($data, $name, $compact = 1)
{
$name = str_replace('\', '/', $name);
$dtime = dechex($this->DosTime());
$hexdtime = 'x' 。 $dtime[6] 。 $dtime[7].'x'.$dtime[4] 。 $dtime[5]
。 'バツ' 。 $dtime[2] 。 $dtime[3].'x'.$dtime[0].$dtime[1];
eval('$hexdtime = "' . $hexdtime . '";');
if($compact)
$fr = "x50x4bx03x04x14x00x00x00x08x00".$hexdtime;
else $fr = "x50x4bx03x04x0ax00x00x00x00x00".$hexdtime;
$unc_len = strlen($data); $crc = crc32($data);
if($compact){
$zdata = gzcompress($data); $c_len = strlen($zdata);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
}else{
$zdata = $data;
}
$c_len=strlen($zdata);
$fr .= Pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
$fr .= Pack('v', strlen($name)).pack('v', 0).$name.$zdata;
$fr .= Pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
$これ ->データセック[] = $fr;
$new_offset = strlen(implode('', $this->datasec));
if($compact)
$cdrec = "x50x4bx01x02x00x00x14x00x00x00x08x00";
else $cdrec = "x50x4bx01x02x14x00x0ax00x00x00x00x00";
$cdrec .= $hexdtime.pack('V', $crc).pack('V', $c_len).pack('V', $unc_len);
$cdrec .= Pack('v', strlen($name) ).pack('v', 0 ).pack('v', 0 );
$cdrec .= Pack('v', 0 ).pack('v', 0 ).pack('V', 32 );
$cdrec .= Pack('V', $this -> old_offset );
$これ -> old_offset = $new_offset;
$cdrec .= $name;
$これ -> ctrl_dir[] = $cdrec;
true を返します。
}
関数 DosTime() {
$timearray = getdate();
if ($timearray['year'] < 1980) {
$timearray['year'] = 1980; $timearray['mon'] = 1;
$timearray['mday'] = 1; $timearray['時間'] = 0;
$timearray['分'] = 0; $timearray['秒'] = 0;
}
return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) | ($timearray['時間'] << 11) |
($timearray['分'] <<5) | ($timearray['秒'] >> 1);
}
関数抽出 ( $zn, $to, $index = Array(-1) )
{
$ok = 0; $zip = @fopen($zn,'rb');
if(!$zip) return(-1);
$cdir = $this->ReadCentralDir($zip,$zn);
$pos_entry = $cdir['オフセット'];
if(!is_array($index)){ $index = array($index); }
for($i=0; $index[$i];$i++){
if(intval($index[$i])!=$index[$i]||$index[$i]> $cdir['entries'])
return(-1);
}
for ($i=0; $i{
@fseek($zip, $pos_entry);
$header = $this->ReadCentralFileHeaders($zip);
$header['index'] = $i; $pos_entry = ftell($zip);
@rewind($zip); fseek($zip, $header['offset']);
if(in_array("-1",$index)||in_array($i,$index))
$stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);
}
fclose($zip);
$stat を返す;
}
関数 ReadFileHeader($zip)
{
$binary_data = fread($zip, 30);
$data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
$header['filename'] = fread($zip, $data['filename_len']);
if ($data['extra_len'] != 0) {
$header['extra'] = fread($zip, $data['extra_len']);
} else { $header['extra'] = '';
$header['圧縮'] = $data['圧縮'];$header['サイズ'] = $data['サイズ'];
$header['compressed_size'] = $data['compressed_size'];
$header['crc'] = $data['crc']; $header['フラグ'] = $data['フラグ'];
$header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime'];
if ($header['mdate'] && $header['mtime']){
$hour=($header['mtime']&0xF800)>>11;$ minutes=($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, $分, $秒, $月, $日, $年);
}else{$header['mtime'] = time();}
$header['stored_filename'] = $header['filename'];
$header['ステータス'] = "ok";
$header を返す;
}
function ReadCentralFileHeaders($zip){
$binary_data = fread($zip, 46);
$header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
if ($header['filename_len'] != 0)
$header['filename'] = fread($zip,$header['filename_len']);
else $header['ファイル名'] = '';
if ($header['extra_len'] != 0)
$header['extra'] = fread($zip, $header['extra_len']);
else $header['extra'] = '';
if ($header['comment_len'] != 0)
$header['comment'] = fread($zip, $header['comment_len']);
else $header['comment'] = '';
if ($header['mdate'] && $header['mtime'])
{
$hour = ($header['mtime'] & 0xF800) >> 11;
$分 = ($header['mtime'] & 0x07E0) >> 5;
$秒 = ($header['mtime'] & 0x001F)*2;
$年 = (($header['mdate'] & 0xFE00) >> 9) + 1980;
$month = ($header['mdate'] & 0x01E0) >> 5;
$day = $header['mdate'] & 0x001F;
$header['mtime'] = mktime($hour, $分, $秒, $月, $日, $年);
} else {
$header['mtime'] = time();
}
$header['stored_filename'] = $header['filename'];
$header['ステータス'] = 'ok';
if (substr($header['filename'], -1) == '/')
$header['external'] = 0x41FF0010;
$header を返す;
}
関数 ReadCentralDir($zip,$zip_name)
{
$size = filesize($zip_name);
if ($size それ以外の場合は $maximum_size=277;
@fseek($zip, $size-$maximum_size);
$pos = ftell($zip); $バイト = 0x00000000;
while ($pos {
$byte = @fread($zip, 1); $bytes=($bytes << 8) | Ord($byte);
if ($bytes == 0x504b0506){ $pos++;壊す; $pos++;
}
$data=unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',
fread($zip, 18));
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['サイズ'] = $data['サイズ']; $centd['ディスク'] = $data['ディスク'];
$centd を返す;
}
function ExtractFile($header,$to,$zip)
{
$header = $this->readfileheader($zip);
if(substr($to,-1)!="/") $to.="/";
if(!@is_dir($to)) @mkdir($to,0777);
$pth =explode("/",dirname($header['filename']));
for($i=0;isset($pth[$i]);$i++){
if(!$pth[$i]) 続行;
if(!is_dir($to.$pth[$i])) @mkdir($to.$pth[$i],0777);
}
if (!($header['external']==0x41FF0010)&&!($header['external']==16))
{
if ($header['compression']==0)
{
$fp = @fopen($to.$header['ファイル名'], 'wb');
if(!$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.$header['ファイル名'].'.gz','wb');
if(!$fp) return(-1);
$binary_data = Pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),
Chr(0x00), time(), Chr(0x00), Chr(3));
fwrite($fp, $binary_data, 10);
$size = $header['compressed_size'];
while ($size != 0)
{
$read_size = ($size < 1024 ? $size : 1024);
$buffer = fread($zip, $read_size);
$binary_data = Pack('a'.$read_size, $buffer);
@fwrite($fp, $binary_data, $read_size);
$size -= $read_size;
}
$binary_data = Pack('VV', $header['crc'], $header['size']);
fwrite($fp, $binary_data,8); fclose($fp);
$gzp = @gzopen($to.$header['filename'].'.gz','rb') または die("Cette archive est compress閑");
if(!$gzp) return(-2);
$fp = @fopen($to.$header['ファイル名'],'wb');
if(!$fp) return(-1);
$size = $header['size'];
while ($size != 0)
{
$read_size = ($size < 2048 ? $size : 2048);
$buffer = gzread($gzp, $read_size);
$binary_data = Pack('a'.$read_size, $buffer);
@fwrite($fp, $binary_data, $read_size);
$size -= $read_size;
}
fclose($fp); gzclose($gzp);
touch($to.$header['filename'], $header['mtime']);
@unlink($to.$header['ファイル名'].'.gz');
}}
true を返します。
}
}
/**********************************/
class zipPeter{
var $_zip_hander = null;
function __construct(){

}
function get_List($zip_name){
$file_list = array();
$this->_zip_hander = zip_open($zip_name);
if ( $this->_zip_hander ) {
while ( $zip_entry = zip_read($this->_zip_hander) ) {
$file_list[] = array('filename'=>zip_entry_name($zip) _entry)、
」 size'=>zip_entry_filesize($zip_entry),
'compressed_size'=>zip_entry_compressedsize($zip_entry)
);
}
zip_close($this->_zip_hander);
}
$file_list を返します。
}
function Extract($zip_name,$folder_name){
$this->_zip_hander = zip_open($zip_name);
if ( !$this->checkDirAndMk($folder_name) ){
falseを返す;
}
if ( substr($folder_name,-1)!="/" ){
$folder_name .= "/";
}
if ( $this->_zip_hander ) {
while ( $zip_entry = zip_read($this->_zip_hander) ) {
$file_info = array('filename'=>zip_entry_name($zip_ent) ry)、
「サイズ」 =>zip_entry_filesize($zip_entry),
'compressed_size'=>zip_entry_compressedsize($zip_entry)
);
$new_file_name = $folder_name.$file_info['filename'];
$buf = "";
if (zip_entry_open($this->_zip_hander, $zip_entry, "r")) {
$buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
zip_entry_close($zip_entry);
}
if ( $fp = fopen($new_file_name,"w") ){
fwrite($fp,$buf);
fclose($fp);
}
}
zip_close($this->_zip_hander);
true を返します。
}
else {
falseを返す;
}
}
/**️ Create 作成許可
* @return bool 作成が成功したかどうか
*/
function checkDirAndMk($dirname,$mk=false,$mode=0777){
if ( is_dir($dirname)==true ){ true を返します。
}
else {
if ($mk==false){
falseを返す;
}
else {
$dirpath_a =explode('/',$dirname);
for ($i=0;$i if ( $dirpath_a[$i]=="" ){
続き;
if ( $path==""||is_dir($path) ){
if ( $path=="" ){ if ( substr(PHP_OS, 0, 3)=="WIN" ){
$path = $dirpath_a[$i];
}
else {
$path .= "/".$dirpath_a[ $i]; { $path .= "/".$dirpath_a[$i];
}
if ( is_dir($path) ){
続き;
}
else {
@mkdir($path,$mode);
}
}
else {
falseを返します。
}
}
trueを返します。
}

}
}


$z = 新しいZip;
$lst=$z->get_list('test2.zip');
foreach ($lst as $val){
print_r($val)."n";
$zip_obj = new zipPeter();
//$zip_obj->Extract()
$z->Extract('test2.zip', "f:/wytddd", -1 ); /

require_once("zip.lib.php");
set_time_limit(100);
//解凍するファイルのパス
$arch = $_GET["arch"]; | !file_exists ($arch))
$z = new Zip
$l=$z->get_list($arch) //ファイルリストを取得します
$z->Extract($arch, "jieya" 、-1) ;



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http://www.bkjia.com/PHPjc/320984.html技術記事次のようにコードをコピーします: class zip { var $datasec, $ctrl_dir = array(); var $eof_ctrl_dir = "x50x4bx05x06x00x00x00x00"; var $dirs = Array(".");