diff --git a/workflow/engine/classes/class.archive.php b/workflow/engine/classes/class.archive.php
index 57d2b718d..7419ca6c2 100755
--- a/workflow/engine/classes/class.archive.php
+++ b/workflow/engine/classes/class.archive.php
@@ -1,721 +1,706 @@
 <?php
 /*--------------------------------------------------
- | TAR/GZIP/BZIP2/ZIP ARCHIVE CLASSES 2.1
- | By Devin Doucette
- | Copyright (c) 2005 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
- +--------------------------------------------------*/
+ * TAR/GZIP/BZIP2/ZIP ARCHIVE CLASSES 2.1
+ * By Devin Doucette
+ * Copyright (c) 2005 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
+ *--------------------------------------------------*/
 
- /**
-  * @package    workflow.engine.classes
-  */
+/**
+ *
+ * @package workflow.engine.classes
+ */
 class archive
 {
- /** 
-  * This function is the constructor of the class archive
-  * @param string $name
-  * @return void
-  * 
-  */
-  function archive($name)
-  {
-    $this->options = array (
-                            'basedir'     => ".",
-                            'name'        => $name,
-                            'prepend'     => "",
-                            'inmemory'    => 0,
-                            'overwrite'   => 0,
-                            'recurse'     => 1,
-                            'storepaths'  => 1,
-                            'followlinks' => 0,
-                            'level'       => 3,
-                            'method'      => 1,
-                            'sfx'         => "",
-                            'type'        => "",
-                            'comment'     => ""
-    );
-    $this->files = array ();
-    $this->exclude = array ();
-    $this->storeonly = array ();
-    $this->error = array ();
-  }
 
-/** 
-  * This function gives options to a archive
-  * @param array $options
-  * @return void
-  */ 
-  function set_options($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']);
+    /**
+     * This function is the constructor of the class archive
+     *
+     * @param string $name
+     * @return void
+     *
+     */
+    public function archive ($name)
+    {
+        $this->options = array ('basedir' => ".",'name' => $name,'prepend' => "",'inmemory' => 0,'overwrite' => 0,'recurse' => 1,'storepaths' => 1,'followlinks' => 0,'level' => 3,'method' => 1,'sfx' => "",'type' => "",'comment' => ""
+        );
+        $this->files = array ();
+        $this->exclude = array ();
+        $this->storeonly = array ();
+        $this->error = array ();
     }
-    if (!empty ($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']) . "/";
-    }
-  }
 
-/**
-  * This function is used to create a archive.
-  * @return boolean
-  */ 
-  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 exist.";
-        chdir($pwd);
+    /**
+     * This function gives options to a archive
+     *
+     * @param array $options
+     * @return void
+     */
+    public function set_options ($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'] ) . "/";
+        }
+    }
+
+    /**
+     * This function is used to create a archive.
+     *
+     * @return boolean
+     */
+    public 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 exist.";
+                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" );
+            }
+        }
+    }
+
+    /**
+     * This function is used for add data to a archive
+     *
+     * @param string $data
+     * @return void
+     */
+    public function add_data ($data)
+    {
+        if ($this->options['inmemory'] == 0) {
+            fwrite( $this->archive, $data );
+        }
+        else {
+            $this->archive .= $data;
+        }
+    }
+
+    /**
+     * This function make a list
+     *
+     * @return void
+     */
+    public 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 );
+    }
+
+    /**
+     * Add files a list
+     *
+     * @param array $list
+     * @return void
+     */
+    public function add_files ($list)
+    {
+        $temp = $this->list_files( $list );
+        foreach ($temp as $current)
+            $this->files[] = $current;
+    }
+
+    /**
+     * This function exclude files of a list
+     *
+     * @param array $list
+     * @return void
+     */
+    public function exclude_files ($list)
+    {
+        $temp = $this->list_files( $list );
+        foreach ($temp as $current)
+            $this->exclude[] = $current;
+    }
+
+    /**
+     * This function store files
+     *
+     * @param array $list
+     */
+    public function store_files ($list)
+    {
+        $temp = $this->list_files( $list );
+        foreach ($temp as $current)
+            $this->storeonly[] = $current;
+    }
+
+    /**
+     * List files gives a List
+     *
+     * @param array $list
+     * @return array
+     */
+    public function list_files ($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' => @is_link( $current ) && $this->options['followlinks'] == 0 ? 2 : 0,'ext' => substr( $current, strrpos( $current, "." ) ),'stat' => stat( $current )
+                );
+        }
+        chdir( $pwd );
+        unset( $current, $pwd );
+        usort( $files, array ("archive","sort_files"
+        ) );
+        return $files;
+    }
+
+    /**
+     * This function is for parse a directory name
+     *
+     * @param string $dirname
+     * @return array
+     */
+    public function parse_dir ($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 )) {
+            $fullname = $dirname . "/" . $file;
+            if ($file == "." || $file == "..")
+                continue;
+            else if (@is_dir( $fullname )) {
+                if (empty( $this->options['recurse'] ))
+                    continue;
+                $temp = $this->parse_dir( $fullname );
+                foreach ($temp as $file2)
+                    $files[] = $file2;
+            } else if (@file_exists( $fullname ))
+                $files[] = array ('name' => $fullname,'name2' => $this->options['prepend'] . preg_replace( "/(\.+\/+)+/", "", ($this->options['storepaths'] == 0 && strstr( $fullname, "/" )) ? substr( $fullname, strrpos( $fullname, "/" ) + 1 ) : $fullname ),'type' => @is_link( $fullname ) && $this->options['followlinks'] == 0 ? 2 : 0,'ext' => substr( $file, strrpos( $file, "." ) ),'stat' => stat( $fullname )
+                );
+        }
+        @closedir( $dir );
+        return $files;
+    }
+
+    /**
+     * This function sort two files
+     *
+     * @param array $a
+     * @param array $b
+     * @return boolean
+     */
+    public function sort_files ($a, $b)
+    {
+        if ($a['type'] != $b['type'])
+            if ($a['type'] == 5 || $b['type'] == 2)
+                return - 1;
+            else if ($a['type'] == 2 || $b['type'] == 5)
+                return 1;
+            else if ($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( $b['name'] ) );
         return 0;
-      }
-      else if ($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()){
-        $this->error[] = "Could not create tar file.";
-        return 0;
-      }
+
+    /**
+     * This function download a file
+     *
+     * @return void
+     */
+    public function download_file ()
+    {
+        if ($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-bzip2" );
+                break;
+            case "gzip":
+                header( "Content-Type: application/x-gzip" );
+                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( $this->archive ) );
+        header( "Content-Transfer-Encoding: binary" );
+        header( "Cache-Control: no-cache, must-revalidate, max-age=60" );
+        header( "Expires: Sat, 01 Jan 2000 12:00:00 GMT" );
+        print ($this->archive) ;
     }
-    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");
-    }
-  }
-
-/**
-  * This function is used for add data to a archive
-  * @param string $data
-  * @return void
-  */ 
-  function add_data($data)
-  {
-    if ($this->options['inmemory'] == 0)
-      fwrite($this->archive, $data);
-    else
-      $this->archive .= $data;
-  }
-
- /**
-  * This function make a list
-  * @return void
-  */ 
-  function make_list()
-  {
-    if (!empty ($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);
-  }
-
-/**
-  * Add files a list
-  * @param array $list
-  * @return void
-  */ 
-  function add_files($list)
-  {
-    $temp = $this->list_files($list);
-    foreach ($temp as $current)
-      $this->files[] = $current;
-  }
-
- /**
-  * This function exclude files of a list
-  * @param array $list
-  * @return void
-  */
-  function exclude_files($list)
-  {
-    $temp = $this->list_files($list);
-    foreach ($temp as $current)
-      $this->exclude[] = $current;
-  }
-
-/**
-  * This function store files
-  * @param array $list
-  */
-  function store_files($list)
-  {
-    $temp = $this->list_files($list);
-    foreach ($temp as $current)
-      $this->storeonly[] = $current;
-  }
-
-/**
-  * List files gives a List
-  * @param array $list
-  * @return array
-  */ 
-  function list_files($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) : $current),
-          'type' => @is_link($current) && $this->options['followlinks'] == 0 ? 2 : 0,
-          'ext' => substr($current, strrpos($current, ".")), 'stat' => stat($current));
-    }
-    chdir($pwd);
-    unset ($current, $pwd);
-    usort($files, array ("archive", "sort_files"));
-    return $files;
-  }
-
-/**
-  * This function is for parse a directory name
-  * @param string $dirname
-  * @return array
-  */ 
-  function parse_dir($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)){
-      $fullname = $dirname . "/" . $file;
-      if ($file == "." || $file == "..")
-        continue;
-      else if (@is_dir($fullname)){
-        if (empty ($this->options['recurse']))
-          continue;
-        $temp = $this->parse_dir($fullname);
-        foreach ($temp as $file2)
-          $files[] = $file2;
-      }
-      else if (@file_exists($fullname))
-        $files[] = array ('name' => $fullname, 'name2' => $this->options['prepend'] .
-          preg_replace("/(\.+\/+)+/", "", ($this->options['storepaths'] == 0 && strstr($fullname, "/")) ?
-          substr($fullname, strrpos($fullname, "/") + 1) : $fullname),
-          'type' => @is_link($fullname) && $this->options['followlinks'] == 0 ? 2 : 0,
-          'ext' => substr($file, strrpos($file, ".")), 'stat' => stat($fullname));
-    }
-    @closedir($dir);
-    return $files;
-  }
-
- /**
-  * This function sort two files 
-  * @param array $a
-  * @param array $b 
-  * @return boolean
-  */
-  function sort_files($a, $b)
-  {
-    if ($a['type'] != $b['type'])
-      if ($a['type'] == 5 || $b['type'] == 2)
-        return -1;
-      else if ($a['type'] == 2 || $b['type'] == 5)
-        return 1;
-    else if ($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($b['name']));
-    return 0;
-  }
-
- /**
-  * This function download a file
-  * @return void
-  */
-  function download_file()
-  {
-    if ($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-bzip2");
-      break;
-    case "gzip":
-      header("Content-Type: application/x-gzip");
-      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($this->archive));
-    header("Content-Transfer-Encoding: binary");
-    header("Cache-Control: no-cache, must-revalidate, max-age=60");
-    header("Expires: Sat, 01 Jan 2000 12:00:00 GMT");
-    print($this->archive);
-  }
 }
 
 /**
- * This class is derived from the class archive, is imployed to use files .tar
- * @package    workflow.engine.classes
- * 
- */ 
+ * This class is derived from the class archive, is imployed to use files .
+ * tar
+ *
+ * @package workflow.engine.classes
+ *
+ */
 class tar_file extends archive
 {
-  /**
-  * This function is the constructor of the class tar_file
-  * @param string $name
-  */ 
-  function tar_file($name)
-  {
-    $this->archive($name);
-    $this->options['type'] = "tar";
-  }
 
-/**
-  * This function create a file .tar
-  * @return boolean
-  */ 
-  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'], sprintf("%07o",
-      $current['stat'][2]), sprintf("%07o", $current['stat'][4]), sprintf("%07o", $current['stat'][5]),
-        sprintf("%011o", $current['type'] == 2 ? 0 : $current['stat'][7]), sprintf("%011o", $current['stat'][9]),
-        "        ", $current['type'], $current['type'] == 2 ? @readlink($current['name']) : "", "ustar ", " ",
-        "Unknown", "Unknown", "", "", !empty ($path) ? $path : "", "");
-      $checksum = 0;
-      for ($i = 0; $i < 512; $i++)
-        $checksum += ord(substr($block, $i, 1));
-      $checksum = pack("a8", sprintf("%07o", $checksum));
-      $block = substr_replace($block, $checksum, 148, 8);
-      if ($current['type'] == 2 || $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 function is the constructor of the class tar_file
+     *
+     * @param string $name
+     */
+    public function tar_file ($name)
+    {
+        $this->archive( $name );
+        $this->options['type'] = "tar";
     }
-    $this->add_data(pack("a1024", ""));
-    chdir($pwd);
-    return 1;
-  }
 
- /**
-  * This function is used for extract files of the class tar_file
-  * @return void
-  */ 
-  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/a100symlink/a6magic/a2temp/a32temp/a32temp/a8temp/a8temp/a155prefix/a12temp", $block);
-        $file = array (
-          'name' => $this->options['basedir'] . '/' . $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 (substr($file['magic'], 0, 5) != "ustar"){
-          $this->error[] = "This script does not support extracting this type of tar file.";
-          break;
+    /**
+     * This function create a file .
+     * tar
+     *
+     * @return boolean
+     */
+    public 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'], sprintf( "%07o", $current['stat'][2] ), sprintf( "%07o", $current['stat'][4] ), sprintf( "%07o", $current['stat'][5] ), sprintf( "%011o", $current['type'] == 2 ? 0 : $current['stat'][7] ), sprintf( "%011o", $current['stat'][9] ), "        ", $current['type'], $current['type'] == 2 ? @readlink( $current['name'] ) : "", "ustar ", " ", "Unknown", "Unknown", "", "", ! empty( $path ) ? $path : "", "" );
+            $checksum = 0;
+            for ($i = 0; $i < 512; $i ++)
+                $checksum += ord( substr( $block, $i, 1 ) );
+            $checksum = pack( "a8", sprintf( "%07o", $checksum ) );
+            $block = substr_replace( $block, $checksum, 148, 8 );
+            if ($current['type'] == 2 || $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.";
         }
-        $block = substr_replace($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'], $file['stat'][2]);
-            mkdir($file['name'], 0775);
-        }
-        else if ($this->options['overwrite'] == 0 && file_exists($file['name'])){
-          $this->error[] = "{$file['name']} already exist.";
-          continue;
-        }
-        else if ($file['type'] == 2){
-          symlink($temp['symlink'], $file['name']);
-          //chmod($file['name'], $file['stat'][2]);
-        }
-        else if ($new = @fopen($file['name'], "wb")){
-          fwrite($new, fread($fp, $file['stat'][7]));
-          if ((512 - $file['stat'][7] % 512) != 512) {
-            fread($fp, (512 - $file['stat'][7] % 512));
-          }
-          //fread($fp, (512 - $file['stat'][7] % 512) == 512 ? 0 : (512 - $file['stat'][7] % 512));
-          fclose($new);
-          //chmod($file['name'], $file['stat'][2]);
-          chmod($file['name'], 0777);
-          $this->files[] = $file['name'];
-        }
-        else{
-          $this->error[] = "Could not open {$file['name']} for writing.";
-          continue;
-        }
-        //chown($file['name'], $file['stat'][4]);
-        //chgrp($file['name'], $file['stat'][5]);
-        @touch($file['name'], $file['stat'][9]);
-        unset ($file);
-      }
+        $this->add_data( pack( "a1024", "" ) );
+        chdir( $pwd );
+        return 1;
     }
-    else
-      $this->error[] = "Could not open file {$this->options['name']}";
-    chdir($pwd);
-  }
 
-/**
-  * This function open a archive of the class tar_file
-  * @return void
-  */ 
-  function open_archive()
-  {
-    return @fopen($this->options['name'], "rb");
-  }
+    /**
+     * This function is used for extract files of the class tar_file
+     *
+     * @return void
+     */
+    public 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/a100symlink/a6magic/a2temp/a32temp/a32temp/a8temp/a8temp/a155prefix/a12temp", $block );
+                $file = array ('name' => $this->options['basedir'] . '/' . $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 (substr( $file['magic'], 0, 5 ) != "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]);
+                        mkdir( $file['name'], 0775 );
+                } else if ($this->options['overwrite'] == 0 && file_exists( $file['name'] )) {
+                    $this->error[] = "{$file['name']} already exist.";
+                    continue;
+                } else if ($file['type'] == 2) {
+                    symlink( $temp['symlink'], $file['name'] );
+                    //chmod($file['name'], $file['stat'][2]);
+                } else if ($new = @fopen( $file['name'], "wb" )) {
+                    fwrite( $new, fread( $fp, $file['stat'][7] ) );
+                    if ((512 - $file['stat'][7] % 512) != 512) {
+                        fread( $fp, (512 - $file['stat'][7] % 512) );
+                    }
+                    //fread($fp, (512 - $file['stat'][7] % 512) == 512 ? 0 : (512 - $file['stat'][7] % 512));
+                    fclose( $new );
+                    //chmod($file['name'], $file['stat'][2]);
+                    chmod( $file['name'], 0777 );
+                    $this->files[] = $file['name'];
+                } else {
+                    $this->error[] = "Could not open {$file['name']} for writing.";
+                    continue;
+                }
+                //chown($file['name'], $file['stat'][4]);
+                //chgrp($file['name'], $file['stat'][5]);
+                @touch( $file['name'], $file['stat'][9] );
+                unset( $file );
+            }
+        } else
+            $this->error[] = "Could not open file {$this->options['name']}";
+        chdir( $pwd );
+    }
+
+    /**
+     * This function open a archive of the class tar_file
+     *
+     * @return void
+     */
+    public function open_archive ()
+    {
+        return @fopen( $this->options['name'], "rb" );
+    }
 }
 
- /**
-  * This class is derived of the class archive, is employed to use archives .gzip
-  * @package    workflow.engine.classes
-  * 
-  */
+/**
+ * This class is derived of the class archive, is employed to use archives .
+ * gzip
+ *
+ * @package workflow.engine.classes
+ *
+ */
 class gzip_file extends tar_file
 {
- /**
-  * This function is the constructor of the class gzip_file
-  * @param string $name
-  * @return void
-  */ 
-  function gzip_file($name)
-  {
-    $this->tar_file($name);
-    $this->options['type'] = "gzip";
-  }
 
-/**
-  * This function is employed to create files .gzip
-  * @return boolean
-  */ 
-  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;
-      }
+    /**
+     * This function is the constructor of the class gzip_file
+     *
+     * @param string $name
+     * @return void
+     */
+    public function gzip_file ($name)
+    {
+        $this->tar_file( $name );
+        $this->options['type'] = "gzip";
     }
-    else
-      $this->archive = gzencode($this->archive, $this->options['level']);
-    return 1;
-  }
 
- /**
-  * This function open a archive of the class gzip_file
-  * @return void
-  */ 
-  function open_archive()
-  {
-    return @gzopen($this->options['name'], "rb");
-  }
+    /**
+     * This function is employed to create files .
+     * gzip
+     *
+     * @return boolean
+     */
+    public function create_gzip ()
+    {
+        if ($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;
+    }
+
+    /**
+     * This function open a archive of the class gzip_file
+     *
+     * @return void
+     */
+    public function open_archive ()
+    {
+        return @gzopen( $this->options['name'], "rb" );
+    }
 }
 
 /**
+ *
  *
  * This class is derived from the class archive, is employed to use files .bzip
- * @package    workflow.engine.classes
- * 
- */ 
+ *
+ * @package workflow.engine.classes
+ *
+ */
 class bzip_file extends tar_file
 {
-  /**
-  * This function is the constructor of the class bzip_file
-  * @param string $name
-  * @return void
-  */ 
-  function bzip_file($name)
-  {
-    $this->tar_file($name);
-    $this->options['type'] = "bzip";
-  }
 
- /**
-  * This function is employed to create files .bzip
-  * @return boolean
-  */ 
-  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;
-      }
+    /**
+     * This function is the constructor of the class bzip_file
+     *
+     * @param string $name
+     * @return void
+     */
+    public function bzip_file ($name)
+    {
+        $this->tar_file( $name );
+        $this->options['type'] = "bzip";
     }
-    else
-      $this->archive = bzcompress($this->archive, $this->options['level']);
 
-    return 1;
-  }
+    /**
+     * This function is employed to create files .
+     * bzip
+     *
+     * @return boolean
+     */
+    public 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'] );
 
-/**
-  * This function open a archive of the class bzip_file    
-  * @return void
-  */ 
-  function open_archive()
-  {
-    return @bzopen($this->options['name'], "rb");
-  }
+        return 1;
+    }
+
+    /**
+     * This function open a archive of the class bzip_file
+     *
+     * @return void
+     */
+    public function open_archive ()
+    {
+        return @bzopen( $this->options['name'], "rb" );
+    }
 }
 
- /**
-  * This class is derived from the class archive, is imployed to use files .zip
-  * @package    workflow.engine.classes
-  */ 
+/**
+ * This class is derived from the class archive, is imployed to use files .
+ * zip
+ *
+ * @package workflow.engine.classes
+ */
 
 class zip_file extends archive
 {
-  function zip_file($name)
-  {
-    $this->archive($name);
-    $this->options['type'] = "zip";
-  }
 
- /**
-  * This function is used to create archives .zip
-  * @return boolean
-  */ 
-  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;
-      $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.";
+    public function zip_file ($name)
+    {
+        $this->archive( $name );
+        $this->options['type'] = "zip";
     }
-    $this->add_data($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
+
+    /**
+     * This function is used to create archives .
+     * zip
+     *
+     * @return boolean
+     */
+    public 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;
+            $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;
+    }
+}
+