diff options
Diffstat (limited to 'lib/archive.php')
| -rw-r--r-- | lib/archive.php | 778 |
1 files changed, 778 insertions, 0 deletions
diff --git a/lib/archive.php b/lib/archive.php new file mode 100644 index 00000000..1a605f10 --- /dev/null +++ b/lib/archive.php @@ -0,0 +1,778 @@ +<?php
+/*--------------------------------------------------
+ | TAR/GZIP/BZIP2/ZIP ARCHIVE CLASSES 2.0
+ | By Devin Doucette
+ | Copyright (c) 2004 Devin Doucette
+ | Email: darksnoopy@shaw.ca
+ +--------------------------------------------------
+ | Email bugs/suggestions to darksnoopy@shaw.ca
+ +--------------------------------------------------
+ | This script has been created and released under
+ | the GNU GPL and is free to use and redistribute
+ | only if this copyright statement is not removed
+ +--------------------------------------------------*/
+
+class archive
+{
+ function archive($name)
+ {
+ $this->options = array(
+ 'basedir'=>".",
+ 'name'=>$name,
+ 'prepend'=>"",
+ 'inmemory'=>0,
+ 'overwrite'=>0,
+ 'recurse'=>1,
+ 'storepaths'=>1,
+ 'level'=>3,
+ 'method'=>1,
+ 'sfx'=>"",
+ 'type'=>"",
+ 'comment'=>""
+ );
+ $this->files = array();
+ $this->exclude = array();
+ $this->storeonly = array();
+ $this->error = array();
+ }
+
+ function set_options($options)
+ {
+ foreach($options as $key => $value)
+ {
+ $this->options[$key] = $value;
+ }
+ if(!empty($this->options['basedir']))
+ {
+ $this->options['basedir'] = str_replace("\\","/",$this->options['basedir']);
+ $this->options['basedir'] = preg_replace("/\/+/","/",$this->options['basedir']);
+ $this->options['basedir'] = preg_replace("/\/$/","",$this->options['basedir']);
+ }
+ if(!empty($this->options['name']))
+ {
+ $this->options['name'] = str_replace("\\","/",$this->options['name']);
+ $this->options['name'] = preg_replace("/\/+/","/",$this->options['name']);
+ }
+ if(!empty($this->options['prepend']))
+ {
+ $this->options['prepend'] = str_replace("\\","/",$this->options['prepend']);
+ $this->options['prepend'] = preg_replace("/^(\.*\/+)+/","",$this->options['prepend']);
+ $this->options['prepend'] = preg_replace("/\/+/","/",$this->options['prepend']);
+ $this->options['prepend'] = preg_replace("/\/$/","",$this->options['prepend']) . "/";
+ }
+ }
+
+ function create_archive()
+ {
+ $this->make_list();
+
+ if($this->options['inmemory'] == 0)
+ {
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+ if($this->options['overwrite'] == 0 && file_exists($this->options['name'] . ($this->options['type'] == "gzip" || $this->options['type'] == "bzip"? ".tmp" : "")))
+ {
+ $this->error[] = "File {$this->options['name']} already exists.";
+ chdir($pwd);
+ return 0;
+ }
+ else if($this->archive = @fopen($this->options['name'] . ($this->options['type'] == "gzip" || $this->options['type'] == "bzip"? ".tmp" : ""),"wb+"))
+ {
+ chdir($pwd);
+ }
+ else
+ {
+ $this->error[] = "Could not open {$this->options['name']} for writing.";
+ chdir($pwd);
+ return 0;
+ }
+ }
+ else
+ {
+ $this->archive = "";
+ }
+
+ switch($this->options['type'])
+ {
+ case "zip":
+ if(!$this->create_zip())
+ {
+ $this->error[] = "Could not create zip file.";
+ return 0;
+ }
+ break;
+ case "bzip":
+ if(!$this->create_tar())
+ {
+ $this->error[] = "Could not create tar file.";
+ return 0;
+ }
+ if(!$this->create_bzip())
+ {
+ $this->error[] = "Could not create bzip2 file.";
+ return 0;
+ }
+ break;
+ case "gzip":
+ if(!$this->create_tar())
+ {
+ $this->error[] = "Could not create tar file.";
+ return 0;
+ }
+ if(!$this->create_gzip())
+ {
+ $this->error[] = "Could not create gzip file.";
+ return 0;
+ }
+ break;
+ case "tar":
+ if(!$this->create_tar())
+ {
+ $this->error[] = "Could not create tar file.";
+ return 0;
+ }
+ }
+
+ if($this->options['inmemory'] == 0)
+ {
+ fclose($this->archive);
+ if($this->options['type'] == "gzip" || $this->options['type'] == "bzip")
+ {
+ unlink($this->options['basedir'] . "/" . $this->options['name'] . ".tmp");
+ }
+ }
+ }
+
+ function add_data($data)
+ {
+ if($this->options['inmemory'] == 0)
+ {
+ fwrite($this->archive,$data);
+ }
+ else
+ {
+ $this->archive .= $data;
+ }
+ }
+
+ function make_list()
+ {
+ if(!empty($this->exclude))
+ {
+ foreach($this->files as $key => $value)
+ {
+ foreach($this->exclude as $current)
+ {
+ if($value['name'] == $current['name'])
+ {
+ unset($this->files[$key]);
+ }
+ }
+ }
+ }
+ if(!empty($this->storeonly))
+ {
+ foreach($this->files as $key => $value)
+ {
+ foreach($this->storeonly as $current)
+ {
+ if($value['name'] == $current['name'])
+ {
+ $this->files[$key]['method'] = 0;
+ }
+ }
+ }
+ }
+ unset($this->exclude,$this->storeonly);
+ }
+
+ function add_files($list)
+ {
+ $temp = $this->list_files($list);
+ foreach($temp as $current)
+ {
+ $this->files[] = $current;
+ }
+ }
+
+ function exclude_files($list)
+ {
+ $temp = $this->list_files($list);
+ foreach($temp as $current)
+ {
+ $this->exclude[] = $current;
+ }
+ }
+
+ function store_files($list)
+ {
+ $temp = $this->list_files($list);
+ foreach($temp as $current)
+ {
+ $this->storeonly[] = $current;
+ }
+ }
+
+ function list_files($list)
+ {
+ if(!is_array($list))
+ {
+ $temp = $list;
+ $list = array($temp);
+ unset($temp);
+ }
+
+ $files = array();
+
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+
+ foreach($list as $current)
+ {
+ $current = str_replace("\\","/",$current);
+ $current = preg_replace("/\/+/","/",$current);
+ $current = preg_replace("/\/$/","",$current);
+ if(strstr($current,"*"))
+ {
+ $regex = preg_replace("/([\\\^\$\.\[\]\|\(\)\?\+\{\}\/])/","\\\\\\1",$current);
+ $regex = str_replace("*",".*",$regex);
+ $dir = strstr($current,"/")? substr($current,0,strrpos($current,"/")) : ".";
+ $temp = $this->parse_dir($dir);
+ foreach($temp as $current2)
+ {
+ if(preg_match("/^{$regex}$/i",$current2['name']))
+ {
+ $files[] = $current2;
+ }
+ }
+ unset($regex,$dir,$temp,$current);
+ }
+ else if(@is_dir($current))
+ {
+ $temp = $this->parse_dir($current);
+ foreach($temp as $file)
+ {
+ $files[] = $file;
+ }
+ unset($temp,$file);
+ }
+ else if(@file_exists($current))
+ {
+ $files[] = array('name'=>$current,'name2'=>$this->options['prepend'] .
+ preg_replace("/(\.+\/+)+/","",($this->options['storepaths'] == 0 && strstr($current,"/"))?
+ substr($current,strrpos($current,"/") + 1) : $current),'type'=>0,
+ 'ext'=>substr($current,strrpos($current,".")),'stat'=>stat($current));
+ }
+ }
+
+ chdir($pwd);
+
+ unset($current,$pwd);
+
+ usort($files,array("archive","sort_files"));
+
+ return $files;
+ }
+
+ function parse_dir($dirname)
+ {
+ if($this->options['storepaths'] == 1 && !preg_match("/^(\.+\/*)+$/",$dirname))
+ {
+ $files = array(array('name'=>$dirname,'name2'=>$this->options['prepend'] .
+ preg_replace("/(\.+\/+)+/","",($this->options['storepaths'] == 0 && strstr($dirname,"/"))?
+ substr($dirname,strrpos($dirname,"/") + 1) : $dirname),'type'=>5,'stat'=>stat($dirname)));
+ }
+ else
+ {
+ $files = array();
+ }
+ $dir = @opendir($dirname);
+
+ while($file = @readdir($dir))
+ {
+ if($file == "." || $file == "..")
+ {
+ continue;
+ }
+ else if(@is_dir($dirname."/".$file))
+ {
+ if(empty($this->options['recurse']))
+ {
+ continue;
+ }
+ $temp = $this->parse_dir($dirname."/".$file);
+ foreach($temp as $file2)
+ {
+ $files[] = $file2;
+ }
+ }
+ else if(@file_exists($dirname."/".$file))
+ {
+ $files[] = array('name'=>$dirname."/".$file,'name2'=>$this->options['prepend'] .
+ preg_replace("/(\.+\/+)+/","",($this->options['storepaths'] == 0 && strstr($dirname."/".$file,"/"))?
+ substr($dirname."/".$file,strrpos($dirname."/".$file,"/") + 1) : $dirname."/".$file),'type'=>0,
+ 'ext'=>substr($file,strrpos($file,".")),'stat'=>stat($dirname."/".$file));
+ }
+ }
+
+ @closedir($dir);
+
+ return $files;
+ }
+
+ function sort_files($a,$b)
+ {
+ if($a['type'] != $b['type'])
+ {
+ return $a['type'] > $b['type']? -1 : 1;
+ }
+ else if($a['type'] == 5)
+ {
+ return strcmp(strtolower($a['name']),strtolower($b['name']));
+ }
+ else
+ {
+ if($a['ext'] != $b['ext'])
+ {
+ return strcmp($a['ext'],$b['ext']);
+ }
+ else if($a['stat'][7] != $b['stat'][7])
+ {
+ return $a['stat'][7] > $b['stat'][7]? -1 : 1;
+ }
+ else
+ {
+ return strcmp(strtolower($a['name']),strtolower($b['name']));
+ }
+ }
+ return 0;
+ }
+
+ function download_file()
+ {
+ if($this->options['inmemory'] == 0)
+ {
+ $this->error[] = "Can only use download_file() if archive is in memory. Redirect to file otherwise, it is faster.";
+ return;
+ }
+ switch($this->options['type'])
+ {
+ case "zip":
+ header("Content-type:application/zip");
+ break;
+ case "bzip":
+ header("Content-type:application/x-compressed");
+ break;
+ case "gzip":
+ header("Content-type:application/x-compressed");
+ break;
+ case "tar":
+ header("Content-type:application/x-tar");
+ }
+ $header = "Content-disposition: attachment; filename=\"";
+ $header .= strstr($this->options['name'],"/")? substr($this->options['name'],strrpos($this->options['name'],"/") + 1) : $this->options['name'];
+ $header .= "\"";
+ header($header);
+ header("Content-length: " . strlen($this->archive));
+ header("Content-transfer-encoding: binary");
+ header("Pragma: no-cache");
+ header("Expires: 0");
+ print($this->archive);
+ }
+}
+
+class tar_file extends archive
+{
+ function tar_file($name)
+ {
+ $this->archive($name);
+ $this->options['type'] = "tar";
+ }
+
+ function create_tar()
+ {
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+
+ foreach($this->files as $current)
+ {
+ if($current['name'] == $this->options['name'])
+ {
+ continue;
+ }
+ if(strlen($current['name2']) > 99)
+ {
+ $path = substr($current['name2'],0,strpos($current['name2'],"/",strlen($current['name2']) - 100) + 1);
+ $current['name2'] = substr($current['name2'],strlen($path));
+ if(strlen($path) > 154 || strlen($current['name2']) > 99)
+ {
+ $this->error[] = "Could not add {$path}{$current['name2']} to archive because the filename is too long.";
+ continue;
+ }
+ }
+ $block = pack("a100a8a8a8a12a12a8a1a100a6a2a32a32a8a8a155a12",$current['name2'],decoct($current['stat'][2]),
+ sprintf("%6s ",decoct($current['stat'][4])),sprintf("%6s ",decoct($current['stat'][5])),
+ sprintf("%11s ",decoct($current['stat'][7])),sprintf("%11s ",decoct($current['stat'][9])),
+ " ",$current['type'],"","ustar","00","Unknown","Unknown","","",!empty($path)? $path : "","");
+
+ $checksum = 0;
+ for($i = 0; $i < 512; $i++)
+ {
+ $checksum += ord(substr($block,$i,1));
+ }
+ $checksum = pack("a8",sprintf("%6s ",decoct($checksum)));
+ $block = substr_replace($block,$checksum,148,8);
+
+ if($current['stat'][7] == 0)
+ {
+ $this->add_data($block);
+ }
+ else if($fp = @fopen($current['name'],"rb"))
+ {
+ $this->add_data($block);
+ while($temp = fread($fp,1048576))
+ {
+ $this->add_data($temp);
+ }
+ if($current['stat'][7] % 512 > 0)
+ {
+ $temp = "";
+ for($i = 0; $i < 512 - $current['stat'][7] % 512; $i++)
+ {
+ $temp .= "\0";
+ }
+ $this->add_data($temp);
+ }
+ fclose($fp);
+ }
+ else
+ {
+ $this->error[] = "Could not open file {$current['name']} for reading. It was not added.";
+ }
+ }
+
+ $this->add_data(pack("a512",""));
+
+ chdir($pwd);
+
+ return 1;
+ }
+
+ function extract_files()
+ {
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+
+ if($fp = $this->open_archive())
+ {
+ if($this->options['inmemory'] == 1)
+ {
+ $this->files = array();
+ }
+
+ while($block = fread($fp,512))
+ {
+ $temp = unpack("a100name/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1type/a100temp/a6magic/a2temp/a32temp/a32temp/a8temp/a8temp/a155prefix/a12temp",$block);
+ $file = array(
+ 'name'=>$temp['prefix'] . $temp['name'],
+ 'stat'=>array(
+ 2=>$temp['mode'],
+ 4=>octdec($temp['uid']),
+ 5=>octdec($temp['gid']),
+ 7=>octdec($temp['size']),
+ 9=>octdec($temp['mtime']),
+ ),
+ 'checksum'=>octdec($temp['checksum']),
+ 'type'=>$temp['type'],
+ 'magic'=>$temp['magic'],
+ );
+ if($file['checksum'] == 0x00000000)
+ {
+ break;
+ }
+ else if($file['magic'] != "ustar")
+ {
+ $this->error[] = "This script does not support extracting this type of tar file.";
+ break;
+ }
+ $block = substr_replace($block," ",148,8);
+ $checksum = 0;
+ for($i = 0; $i < 512; $i++)
+ {
+ $checksum += ord(substr($block,$i,1));
+ }
+ if($file['checksum'] != $checksum)
+ {
+ $this->error[] = "Could not extract from {$this->options['name']}, it is corrupt.";
+ }
+
+ if($this->options['inmemory'] == 1)
+ {
+ $file['data'] = fread($fp,$file['stat'][7]);
+ fread($fp,(512 - $file['stat'][7] % 512) == 512? 0 : (512 - $file['stat'][7] % 512));
+ unset($file['checksum'],$file['magic']);
+ $this->files[] = $file;
+ }
+ else
+ {
+ if($file['type'] == 5)
+ {
+ if(!is_dir($file['name']))
+ {
+ mkdir($file['name'],$file['stat'][2]);
+ chown($file['name'],$file['stat'][4]);
+ chgrp($file['name'],$file['stat'][5]);
+ }
+ }
+ else if($this->options['overwrite'] == 0 && file_exists($file['name']))
+ {
+ $this->error[] = "{$file['name']} already exists.";
+ }
+ else if($new = @fopen($file['name'],"wb"))
+ {
+ fwrite($new,fread($fp,$file['stat'][7]));
+ fread($fp,(512 - $file['stat'][7] % 512) == 512? 0 : (512 - $file['stat'][7] % 512));
+ fclose($new);
+ chmod($file['name'],$file['stat'][2]);
+ chown($file['name'],$file['stat'][4]);
+ chgrp($file['name'],$file['stat'][5]);
+ }
+ else
+ {
+ $this->error[] = "Could not open {$file['name']} for writing.";
+ }
+ }
+ unset($file);
+ }
+ }
+ else
+ {
+ $this->error[] = "Could not open file {$this->options['name']}";
+ }
+
+ chdir($pwd);
+ }
+
+ function open_archive()
+ {
+ return @fopen($this->options['name'],"rb");
+ }
+}
+
+class gzip_file extends tar_file
+{
+ function gzip_file($name)
+ {
+ $this->tar_file($name);
+ $this->options['type'] = "gzip";
+ }
+
+ function create_gzip()
+ {
+ if($this->options['inmemory'] == 0)
+ {
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+ if($fp = gzopen($this->options['name'],"wb{$this->options['level']}"))
+ {
+ fseek($this->archive,0);
+ while($temp = fread($this->archive,1048576))
+ {
+ gzwrite($fp,$temp);
+ }
+ gzclose($fp);
+ chdir($pwd);
+ }
+ else
+ {
+ $this->error[] = "Could not open {$this->options['name']} for writing.";
+ chdir($pwd);
+ return 0;
+ }
+ }
+ else
+ {
+ $this->archive = gzencode($this->archive,$this->options['level']);
+ }
+
+ return 1;
+ }
+
+ function open_archive()
+ {
+ return @gzopen($this->options['name'],"rb");
+ }
+}
+
+class bzip_file extends tar_file
+{
+ function bzip_file($name)
+ {
+ $this->tar_file($name);
+ $this->options['type'] = "bzip";
+ }
+
+ function create_bzip()
+ {
+ if($this->options['inmemory'] == 0)
+ {
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+ if($fp = bzopen($this->options['name'],"wb"))
+ {
+ fseek($this->archive,0);
+ while($temp = fread($this->archive,1048576))
+ {
+ bzwrite($fp,$temp);
+ }
+ bzclose($fp);
+ chdir($pwd);
+ }
+ else
+ {
+ $this->error[] = "Could not open {$this->options['name']} for writing.";
+ chdir($pwd);
+ return 0;
+ }
+ }
+ else
+ {
+ $this->archive = bzcompress($this->archive,$this->options['level']);
+ }
+
+ return 1;
+ }
+
+ function open_archive()
+ {
+ return @bzopen($this->options['name'],"rb");
+ }
+}
+
+class zip_file extends archive
+{
+ function zip_file($name)
+ {
+ $this->archive($name);
+ $this->options['type'] = "zip";
+ }
+
+ function create_zip()
+ {
+ $files = 0;
+ $offset = 0;
+ $central = "";
+
+ if(!empty($this->options['sfx']))
+ {
+ if($fp = @fopen($this->options['sfx'],"rb"))
+ {
+ $temp = fread($fp,filesize($this->options['sfx']));
+ fclose($fp);
+ $this->add_data($temp);
+ $offset += strlen($temp);
+ unset($temp);
+ }
+ else
+ {
+ $this->error[] = "Could not open sfx module from {$this->options['sfx']}.";
+ }
+ }
+
+ $pwd = getcwd();
+ chdir($this->options['basedir']);
+
+ foreach($this->files as $current)
+ {
+ if($current['name'] == $this->options['name'])
+ {
+ continue;
+ }
+
+ $translate = array('Ç'=>pack("C",128),'ü'=>pack("C",129),'é'=>pack("C",130),'â'=>pack("C",131),'ä'=>pack("C",132),
+ 'à'=>pack("C",133),'å'=>pack("C",134),'ç'=>pack("C",135),'ê'=>pack("C",136),'ë'=>pack("C",137),
+ 'è'=>pack("C",138),'ï'=>pack("C",139),'î'=>pack("C",140),'ì'=>pack("C",141),'Ä'=>pack("C",142),
+ 'Å'=>pack("C",143),'É'=>pack("C",144),'æ'=>pack("C",145),'Æ'=>pack("C",146),'ô'=>pack("C",147),
+ 'ö'=>pack("C",148),'ò'=>pack("C",149),'û'=>pack("C",150),'ù'=>pack("C",151),'Ö'=>pack("C",153),
+ 'Ü'=>pack("C",154),'£'=>pack("C",156),'¥'=>pack("C",157),'ƒ'=>pack("C",159),'á'=>pack("C",160),
+ 'í'=>pack("C",161),'ó'=>pack("C",162),'ú'=>pack("C",163),'ñ'=>pack("C",164),'Ñ'=>pack("C",165));
+ $current['name2'] = strtr($current['name2'],$translate);
+
+ $timedate = explode(" ",date("Y n j G i s",$current['stat'][9]));
+ $timedate = ($timedate[0] - 1980 << 25) | ($timedate[1] << 21) | ($timedate[2] << 16) |
+ ($timedate[3] << 11) | ($timedate[4] << 5) | ($timedate[5]);
+
+ $block = pack("VvvvV",0x04034b50,0x000A,0x0000,(isset($current['method']) || $this->options['method'] == 0)? 0x0000 : 0x0008,$timedate);
+
+ if($current['stat'][7] == 0 && $current['type'] == 5)
+ {
+ $block .= pack("VVVvv",0x00000000,0x00000000,0x00000000,strlen($current['name2']) + 1,0x0000);
+ $block .= $current['name2'] . "/";
+ $this->add_data($block);
+ $central .= pack("VvvvvVVVVvvvvvVV",0x02014b50,0x0014,$this->options['method'] == 0? 0x0000 : 0x000A,0x0000,
+ (isset($current['method']) || $this->options['method'] == 0)? 0x0000 : 0x0008,$timedate,
+ 0x00000000,0x00000000,0x00000000,strlen($current['name2']) + 1,0x0000,0x0000,0x0000,0x0000,$current['type'] == 5? 0x00000010 : 0x00000000,$offset);
+ $central .= $current['name2'] . "/";
+ $files++;
+ $offset += (31 + strlen($current['name2']));
+ }
+ else if($current['stat'][7] == 0)
+ {
+ $block .= pack("VVVvv",0x00000000,0x00000000,0x00000000,strlen($current['name2']),0x0000);
+ $block .= $current['name2'];
+ $this->add_data($block);
+ $central .= pack("VvvvvVVVVvvvvvVV",0x02014b50,0x0014,$this->options['method'] == 0? 0x0000 : 0x000A,0x0000,
+ (isset($current['method']) || $this->options['method'] == 0)? 0x0000 : 0x0008,$timedate,
+ 0x00000000,0x00000000,0x00000000,strlen($current['name2']),0x0000,0x0000,0x0000,0x0000,$current['type'] == 5? 0x00000010 : 0x00000000,$offset);
+ $central .= $current['name2'];
+ $files++;
+ $offset += (30 + strlen($current['name2']));
+ }
+ else if($fp = @fopen($current['name'],"rb"))
+ {
+ $temp = fread($fp,$current['stat'][7]);
+ fclose($fp);
+ $crc32 = crc32($temp);
+ if(!isset($current['method']) && $this->options['method'] == 1)
+ {
+ $temp = gzcompress($temp,$this->options['level']);
+ $size = strlen($temp) - 6;
+ $temp = substr($temp,2,$size);
+ }
+ else
+ {
+ $size = strlen($temp);
+ }
+ $block .= pack("VVVvv",$crc32,$size,$current['stat'][7],strlen($current['name2']),0x0000);
+ $block .= $current['name2'];
+ $this->add_data($block);
+ $this->add_data($temp);
+ unset($temp);
+ $central .= pack("VvvvvVVVVvvvvvVV",0x02014b50,0x0014,$this->options['method'] == 0? 0x0000 : 0x000A,0x0000,
+ (isset($current['method']) || $this->options['method'] == 0)? 0x0000 : 0x0008,$timedate,
+ $crc32,$size,$current['stat'][7],strlen($current['name2']),0x0000,0x0000,0x0000,0x0000,0x00000000,$offset);
+ $central .= $current['name2'];
+ $files++;
+ $offset += (30 + strlen($current['name2']) + $size);
+ }
+ else
+ {
+ $this->error[] = "Could not open file {$current['name']} for reading. It was not added.";
+ }
+ }
+
+ $this->add_data($central);
+
+ $this->add_data(pack("VvvvvVVv",0x06054b50,0x0000,0x0000,$files,$files,strlen($central),$offset,
+ !empty($this->options['comment'])? strlen($this->options['comment']) : 0x0000));
+
+ if(!empty($this->options['comment']))
+ {
+ $this->add_data($this->options['comment']);
+ }
+
+ chdir($pwd);
+
+ return 1;
+ }
+} ?>
\ No newline at end of file |