<?php
if($status != 1 || $_REQUEST['status'] == 1) { exit(); }
defined('ACCESS') or die();

  if (!defined('PCLZIP_READ_BLOCK_SIZE')) {
    define( 'PCLZIP_READ_BLOCK_SIZE', 2048 );
  }

  if (!defined('PCLZIP_SEPARATOR')) {
    define( 'PCLZIP_SEPARATOR', ',' );
  }

  if (!defined('PCLZIP_ERROR_EXTERNAL')) {
    define( 'PCLZIP_ERROR_EXTERNAL', 0 );
  }

  if (!defined('PCLZIP_TEMPORARY_DIR')) {
    define( 'PCLZIP_TEMPORARY_DIR', '' );
  }

  $g_pclzip_version = "2.6";

  define( 'PCLZIP_ERR_USER_ABORTED', 2 );
  define( 'PCLZIP_ERR_NO_ERROR', 0 );
  define( 'PCLZIP_ERR_WRITE_OPEN_FAIL', -1 );
  define( 'PCLZIP_ERR_READ_OPEN_FAIL', -2 );
  define( 'PCLZIP_ERR_INVALID_PARAMETER', -3 );
  define( 'PCLZIP_ERR_MISSING_FILE', -4 );
  define( 'PCLZIP_ERR_FILENAME_TOO_LONG', -5 );
  define( 'PCLZIP_ERR_INVALID_ZIP', -6 );
  define( 'PCLZIP_ERR_BAD_EXTRACTED_FILE', -7 );
  define( 'PCLZIP_ERR_DIR_CREATE_FAIL', -8 );
  define( 'PCLZIP_ERR_BAD_EXTENSION', -9 );
  define( 'PCLZIP_ERR_BAD_FORMAT', -10 );
  define( 'PCLZIP_ERR_DELETE_FILE_FAIL', -11 );
  define( 'PCLZIP_ERR_RENAME_FILE_FAIL', -12 );
  define( 'PCLZIP_ERR_BAD_CHECKSUM', -13 );
  define( 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP', -14 );
  define( 'PCLZIP_ERR_MISSING_OPTION_VALUE', -15 );
  define( 'PCLZIP_ERR_INVALID_OPTION_VALUE', -16 );
  define( 'PCLZIP_ERR_ALREADY_A_DIRECTORY', -17 );
  define( 'PCLZIP_ERR_UNSUPPORTED_COMPRESSION', -18 );
  define( 'PCLZIP_ERR_UNSUPPORTED_ENCRYPTION', -19 );
  define( 'PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE', -20 );
  define( 'PCLZIP_ERR_DIRECTORY_RESTRICTION', -21 );

  define( 'PCLZIP_OPT_PATH', 77001 );
  define( 'PCLZIP_OPT_ADD_PATH', 77002 );
  define( 'PCLZIP_OPT_REMOVE_PATH', 77003 );
  define( 'PCLZIP_OPT_REMOVE_ALL_PATH', 77004 );
  define( 'PCLZIP_OPT_SET_CHMOD', 77005 );
  define( 'PCLZIP_OPT_EXTRACT_AS_STRING', 77006 );
  define( 'PCLZIP_OPT_NO_COMPRESSION', 77007 );
  define( 'PCLZIP_OPT_BY_NAME', 77008 );
  define( 'PCLZIP_OPT_BY_INDEX', 77009 );
  define( 'PCLZIP_OPT_BY_EREG', 77010 );
  define( 'PCLZIP_OPT_BY_PREG', 77011 );
  define( 'PCLZIP_OPT_COMMENT', 77012 );
  define( 'PCLZIP_OPT_ADD_COMMENT', 77013 );
  define( 'PCLZIP_OPT_PREPEND_COMMENT', 77014 );
  define( 'PCLZIP_OPT_EXTRACT_IN_OUTPUT', 77015 );
  define( 'PCLZIP_OPT_REPLACE_NEWER', 77016 );
  define( 'PCLZIP_OPT_STOP_ON_ERROR', 77017 );
  define( 'PCLZIP_OPT_EXTRACT_DIR_RESTRICTION', 77019 );

  define( 'PCLZIP_ATT_FILE_NAME', 79001 );
  define( 'PCLZIP_ATT_FILE_NEW_SHORT_NAME', 79002 );
  define( 'PCLZIP_ATT_FILE_NEW_FULL_NAME', 79003 );
  define( 'PCLZIP_ATT_FILE_MTIME', 79004 );
  define( 'PCLZIP_ATT_FILE_CONTENT', 79005 );
  define( 'PCLZIP_ATT_FILE_COMMENT', 79006 );

  define( 'PCLZIP_CB_PRE_EXTRACT', 78001 );
  define( 'PCLZIP_CB_POST_EXTRACT', 78002 );
  define( 'PCLZIP_CB_PRE_ADD', 78003 );
  define( 'PCLZIP_CB_POST_ADD', 78004 );

  class PclZip
  {
    var $zipname = '';

    var $zip_fd = 0;

    var $error_code = 1;
    var $error_string = '';

    var $magic_quotes_status;

  function PclZip($p_zipname)
  {

    if (!function_exists('gzopen'))
    {
      die('Abort '.basename(__FILE__).' : Missing zlib extensions');
    }

    $this->zipname = $p_zipname;
    $this->zip_fd = 0;
    $this->magic_quotes_status = -1;

    return;
  }

  function create($p_filelist)
  {
    $v_result=1;

    $this->privErrorReset();

    $v_options = array();
    $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;

    $v_size = func_num_args();

    if ($v_size > 1) {
      $v_arg_list = func_get_args();

      array_shift($v_arg_list);
      $v_size--;

      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
                                            array (PCLZIP_OPT_REMOVE_PATH => 'optional',
                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                                                   PCLZIP_OPT_ADD_PATH => 'optional',
                                                   PCLZIP_CB_PRE_ADD => 'optional',
                                                   PCLZIP_CB_POST_ADD => 'optional',
                                                   PCLZIP_OPT_NO_COMPRESSION => 'optional',
                                                   PCLZIP_OPT_COMMENT => 'optional'
                                             ));
        if ($v_result != 1) {
          return 0;
        }
      }

      else {

        $v_options[PCLZIP_OPT_ADD_PATH] = $v_arg_list[0];

        if ($v_size == 2) {
          $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1];
        }
        else if ($v_size > 2) {
          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
		                       "Invalid number / type of arguments");
          return 0;
        }
      }
    }

    $v_string_list = array();
    $v_att_list = array();
    $v_filedescr_list = array();
    $p_result_list = array();

    if (is_array($p_filelist)) {

      if (isset($p_filelist[0]) && is_array($p_filelist[0])) {
        $v_att_list = $p_filelist;
      }
      else {
        $v_string_list = $p_filelist;
      }
    }
    else if (is_string($p_filelist)) {
      $v_string_list = explode(PCLZIP_SEPARATOR, $p_filelist);
    }
    else {
      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_filelist");
      return 0;
    }

    if (sizeof($v_string_list) != 0) {
      foreach ($v_string_list as $v_string) {
        if ($v_string != '') {
          $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string;
        }
      }
    }

    $v_supported_attributes
    = array ( PCLZIP_ATT_FILE_NAME => 'mandatory'
             ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional'
             ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional'
             ,PCLZIP_ATT_FILE_MTIME => 'optional'
             ,PCLZIP_ATT_FILE_CONTENT => 'optional'
             ,PCLZIP_ATT_FILE_COMMENT => 'optional'
						);
    foreach ($v_att_list as $v_entry) {
      $v_result = $this->privFileDescrParseAtt($v_entry,
                                               $v_filedescr_list[],
                                               $v_options,
                                               $v_supported_attributes);
      if ($v_result != 1) {
        return 0;
      }
    }

    $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options);
    if ($v_result != 1) {
      return 0;
    }

    $v_result = $this->privCreate($v_filedescr_list, $p_result_list, $v_options);
    if ($v_result != 1) {
      return 0;
    }
    return $p_result_list;
  }

  function add($p_filelist)
  {
    $v_result=1;

    $this->privErrorReset();

    $v_options = array();
    $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;

    $v_size = func_num_args();

    if ($v_size > 1) {
      $v_arg_list = func_get_args();

      array_shift($v_arg_list);
      $v_size--;

      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
                                            array (PCLZIP_OPT_REMOVE_PATH => 'optional',
                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                                                   PCLZIP_OPT_ADD_PATH => 'optional',
                                                   PCLZIP_CB_PRE_ADD => 'optional',
                                                   PCLZIP_CB_POST_ADD => 'optional',
                                                   PCLZIP_OPT_NO_COMPRESSION => 'optional',
                                                   PCLZIP_OPT_COMMENT => 'optional',
                                                   PCLZIP_OPT_ADD_COMMENT => 'optional',
                                                   PCLZIP_OPT_PREPEND_COMMENT => 'optional'
												   ));
        if ($v_result != 1) {
          return 0;
        }
      }

      else {
        $v_options[PCLZIP_OPT_ADD_PATH] = $v_add_path = $v_arg_list[0];

        if ($v_size == 2) {
          $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1];
        }
        else if ($v_size > 2) {
          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
          return 0;
        }
      }
    }

    $v_string_list = array();
    $v_att_list = array();
    $v_filedescr_list = array();
    $p_result_list = array();

    if (is_array($p_filelist)) {
      if (isset($p_filelist[0]) && is_array($p_filelist[0])) {
        $v_att_list = $p_filelist;
      }
      else {
        $v_string_list = $p_filelist;
      }
    }

    else if (is_string($p_filelist)) {
      $v_string_list = explode(PCLZIP_SEPARATOR, $p_filelist);
    }
    else {
      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type '".gettype($p_filelist)."' for p_filelist");
      return 0;
    }

    if (sizeof($v_string_list) != 0) {
      foreach ($v_string_list as $v_string) {
        $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string;
      }
    }

    $v_supported_attributes
    = array ( PCLZIP_ATT_FILE_NAME => 'mandatory'
             ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional'
             ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional'
             ,PCLZIP_ATT_FILE_MTIME => 'optional'
             ,PCLZIP_ATT_FILE_CONTENT => 'optional'
             ,PCLZIP_ATT_FILE_COMMENT => 'optional'
						);
    foreach ($v_att_list as $v_entry) {
      $v_result = $this->privFileDescrParseAtt($v_entry,
                                               $v_filedescr_list[],
                                               $v_options,
                                               $v_supported_attributes);
      if ($v_result != 1) {
        return 0;
      }
    }

    $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options);
    if ($v_result != 1) {
      return 0;
    }

    $v_result = $this->privAdd($v_filedescr_list, $p_result_list, $v_options);
    if ($v_result != 1) {
      return 0;
    }

    return $p_result_list;
  }

  function listContent()
  {
    $v_result=1;

    $this->privErrorReset();

    if (!$this->privCheckFormat()) {
      return(0);
    }

    $p_list = array();
    if (($v_result = $this->privList($p_list)) != 1)
    {
      unset($p_list);
      return(0);
    }

    return $p_list;
  }

  function extract()
  {
    $v_result=1;

    $this->privErrorReset();

    if (!$this->privCheckFormat()) {
      return(0);
    }

    $v_options = array();
    $v_path = '';
    $v_remove_path = "";
    $v_remove_all_path = false;

    $v_size = func_num_args();

    $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;

    if ($v_size > 0) {
      $v_arg_list = func_get_args();

      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
                                            array (PCLZIP_OPT_PATH => 'optional',
                                                   PCLZIP_OPT_REMOVE_PATH => 'optional',
                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                                                   PCLZIP_OPT_ADD_PATH => 'optional',
                                                   PCLZIP_CB_PRE_EXTRACT => 'optional',
                                                   PCLZIP_CB_POST_EXTRACT => 'optional',
                                                   PCLZIP_OPT_SET_CHMOD => 'optional',
                                                   PCLZIP_OPT_BY_NAME => 'optional',
                                                   PCLZIP_OPT_BY_EREG => 'optional',
                                                   PCLZIP_OPT_BY_PREG => 'optional',
                                                   PCLZIP_OPT_BY_INDEX => 'optional',
                                                   PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
                                                   PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional',
                                                   PCLZIP_OPT_REPLACE_NEWER => 'optional'
                                                   ,PCLZIP_OPT_STOP_ON_ERROR => 'optional'
                                                   ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional'
												    ));
        if ($v_result != 1) {
          return 0;
        }

        if (isset($v_options[PCLZIP_OPT_PATH])) {
          $v_path = $v_options[PCLZIP_OPT_PATH];
        }
        if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
          $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
        }
        if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
          $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
        }
        if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
          if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
            $v_path .= '/';
          }
          $v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
        }
      }

      else {
        $v_path = $v_arg_list[0];

        if ($v_size == 2) {
          $v_remove_path = $v_arg_list[1];
        }
        else if ($v_size > 2) {
          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
          return 0;
        }
      }
    }

    $p_list = array();
    $v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path,
	                                     $v_remove_all_path, $v_options);
    if ($v_result < 1) {
      unset($p_list);
      return(0);
    }
    return $p_list;
  }

  function extractByIndex($p_index)
  {
    $v_result=1;

    $this->privErrorReset();

    if (!$this->privCheckFormat()) {
      return(0);
    }

    $v_options = array();
    $v_path = '';
    $v_remove_path = "";
    $v_remove_all_path = false;

    $v_size = func_num_args();

    $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;

    if ($v_size > 1) {
      $v_arg_list = func_get_args();

      array_shift($v_arg_list);
      $v_size--;

      if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

        $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
                                            array (PCLZIP_OPT_PATH => 'optional',
                                                   PCLZIP_OPT_REMOVE_PATH => 'optional',
                                                   PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                                                   PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
                                                   PCLZIP_OPT_ADD_PATH => 'optional',
                                                   PCLZIP_CB_PRE_EXTRACT => 'optional',
                                                   PCLZIP_CB_POST_EXTRACT => 'optional',
                                                   PCLZIP_OPT_SET_CHMOD => 'optional',
                                                   PCLZIP_OPT_REPLACE_NEWER => 'optional'
                                                   ,PCLZIP_OPT_STOP_ON_ERROR => 'optional'
                                                   ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional'
												   ));
        if ($v_result != 1) {
          return 0;
        }

        if (isset($v_options[PCLZIP_OPT_PATH])) {
          $v_path = $v_options[PCLZIP_OPT_PATH];
        }
        if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
          $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
        }
        if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
          $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
        }
        if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
          if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
            $v_path .= '/';
          }
          $v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
        }
        if (!isset($v_options[PCLZIP_OPT_EXTRACT_AS_STRING])) {
          $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
        }
      }

      else {
        $v_path = $v_arg_list[0];

        if ($v_size == 2) {
          $v_remove_path = $v_arg_list[1];
        }
        else if ($v_size > 2) {
          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
          return 0;
        }
      }
    }

    $v_arg_trick = array (PCLZIP_OPT_BY_INDEX, $p_index);
    $v_options_trick = array();
    $v_result = $this->privParseOptions($v_arg_trick, sizeof($v_arg_trick), $v_options_trick,
                                        array (PCLZIP_OPT_BY_INDEX => 'optional' ));
    if ($v_result != 1) {
        return 0;
    }
    $v_options[PCLZIP_OPT_BY_INDEX] = $v_options_trick[PCLZIP_OPT_BY_INDEX];

    if (($v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options)) < 1) {
        return(0);
    }

    return $p_list;
  }

  function delete()
  {
    $v_result=1;

    $this->privErrorReset();

    if (!$this->privCheckFormat()) {
      return(0);
    }

    $v_options = array();

    $v_size = func_num_args();

    if ($v_size > 0) {
      $v_arg_list = func_get_args();

      $v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
                                        array (PCLZIP_OPT_BY_NAME => 'optional',
                                               PCLZIP_OPT_BY_EREG => 'optional',
                                               PCLZIP_OPT_BY_PREG => 'optional',
                                               PCLZIP_OPT_BY_INDEX => 'optional' ));
      if ($v_result != 1) {
          return 0;
      }
    }

    $this->privDisableMagicQuotes();

    $v_list = array();
    if (($v_result = $this->privDeleteByRule($v_list, $v_options)) != 1) {
      $this->privSwapBackMagicQuotes();
      unset($v_list);
      return(0);
    }

    $this->privSwapBackMagicQuotes();

    return $v_list;
  }

  function deleteByIndex($p_index)
  {

    $p_list = $this->delete(PCLZIP_OPT_BY_INDEX, $p_index);

    return $p_list;
  }

  function properties()
  {

    $this->privErrorReset();

    $this->privDisableMagicQuotes();

    if (!$this->privCheckFormat()) {
      $this->privSwapBackMagicQuotes();
      return(0);
    }

    $v_prop = array();
    $v_prop['comment'] = '';
    $v_prop['nb'] = 0;
    $v_prop['status'] = 'not_exist';

    if (@is_file($this->zipname))
    {
      if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0)
      {
        $this->privSwapBackMagicQuotes();

        PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode');

        return 0;
      }

      $v_central_dir = array();
      if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
      {
        $this->privSwapBackMagicQuotes();
        return 0;
      }

      $this->privCloseFd();

      $v_prop['comment'] = $v_central_dir['comment'];
      $v_prop['nb'] = $v_central_dir['entries'];
      $v_prop['status'] = 'ok';
    }

    $this->privSwapBackMagicQuotes();

    return $v_prop;
  }

  function duplicate($p_archive)
  {
    $v_result = 1;

    $this->privErrorReset();

    if ((is_object($p_archive)) && (get_class($p_archive) == 'pclzip'))
    {
      $v_result = $this->privDuplicate($p_archive->zipname);
    }

    else if (is_string($p_archive))
    {
      if (!is_file($p_archive)) {
        PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "No file with filename '".$p_archive."'");
        $v_result = PCLZIP_ERR_MISSING_FILE;
      }
      else {
        $v_result = $this->privDuplicate($p_archive);
      }
    }

    else
    {
      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
      $v_result = PCLZIP_ERR_INVALID_PARAMETER;
    }

    return $v_result;
  }

  function merge($p_archive_to_add)
  {
    $v_result = 1;

    $this->privErrorReset();

    if (!$this->privCheckFormat()) {
      return(0);
    }

    if ((is_object($p_archive_to_add)) && (get_class($p_archive_to_add) == 'pclzip'))
    {
      $v_result = $this->privMerge($p_archive_to_add);
    }

    else if (is_string($p_archive_to_add))
    {
      $v_object_archive = new PclZip($p_archive_to_add);
      $v_result = $this->privMerge($v_object_archive);
    }

    else
    {
      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
      $v_result = PCLZIP_ERR_INVALID_PARAMETER;
    }

    return $v_result;
  }

  function errorCode()
  {
    if (PCLZIP_ERROR_EXTERNAL == 1) {
      return(PclErrorCode());
    }
    else {
      return($this->error_code);
    }
  }

  function errorName($p_with_code=false)
  {
    $v_name = array ( PCLZIP_ERR_NO_ERROR => 'PCLZIP_ERR_NO_ERROR',
                      PCLZIP_ERR_WRITE_OPEN_FAIL => 'PCLZIP_ERR_WRITE_OPEN_FAIL',
                      PCLZIP_ERR_READ_OPEN_FAIL => 'PCLZIP_ERR_READ_OPEN_FAIL',
                      PCLZIP_ERR_INVALID_PARAMETER => 'PCLZIP_ERR_INVALID_PARAMETER',
                      PCLZIP_ERR_MISSING_FILE => 'PCLZIP_ERR_MISSING_FILE',
                      PCLZIP_ERR_FILENAME_TOO_LONG => 'PCLZIP_ERR_FILENAME_TOO_LONG',
                      PCLZIP_ERR_INVALID_ZIP => 'PCLZIP_ERR_INVALID_ZIP',
                      PCLZIP_ERR_BAD_EXTRACTED_FILE => 'PCLZIP_ERR_BAD_EXTRACTED_FILE',
                      PCLZIP_ERR_DIR_CREATE_FAIL => 'PCLZIP_ERR_DIR_CREATE_FAIL',
                      PCLZIP_ERR_BAD_EXTENSION => 'PCLZIP_ERR_BAD_EXTENSION',
                      PCLZIP_ERR_BAD_FORMAT => 'PCLZIP_ERR_BAD_FORMAT',
                      PCLZIP_ERR_DELETE_FILE_FAIL => 'PCLZIP_ERR_DELETE_FILE_FAIL',
                      PCLZIP_ERR_RENAME_FILE_FAIL => 'PCLZIP_ERR_RENAME_FILE_FAIL',
                      PCLZIP_ERR_BAD_CHECKSUM => 'PCLZIP_ERR_BAD_CHECKSUM',
                      PCLZIP_ERR_INVALID_ARCHIVE_ZIP => 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP',
                      PCLZIP_ERR_MISSING_OPTION_VALUE => 'PCLZIP_ERR_MISSING_OPTION_VALUE',
                      PCLZIP_ERR_INVALID_OPTION_VALUE => 'PCLZIP_ERR_INVALID_OPTION_VALUE',
                      PCLZIP_ERR_UNSUPPORTED_COMPRESSION => 'PCLZIP_ERR_UNSUPPORTED_COMPRESSION',
                      PCLZIP_ERR_UNSUPPORTED_ENCRYPTION => 'PCLZIP_ERR_UNSUPPORTED_ENCRYPTION'
                      ,PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE => 'PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE'
                      ,PCLZIP_ERR_DIRECTORY_RESTRICTION => 'PCLZIP_ERR_DIRECTORY_RESTRICTION'
                    );

    if (isset($v_name[$this->error_code])) {
      $v_value = $v_name[$this->error_code];
    }
    else {
      $v_value = 'NoName';
    }

    if ($p_with_code) {
      return($v_value.' ('.$this->error_code.')');
    }
    else {
      return($v_value);
    }
  }

  function errorInfo($p_full=false)
  {
    if (PCLZIP_ERROR_EXTERNAL == 1) {
      return(PclErrorString());
    }
    else {
      if ($p_full) {
        return($this->errorName(true)." : ".$this->error_string);
      }
      else {
        return($this->error_string." [code ".$this->error_code."]");
      }
    }
  }

  function privCheckFormat($p_level=0)
  {
    $v_result = true;
    clearstatcache();
    $this->privErrorReset();

    if (!is_file($this->zipname)) {
      PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "Missing archive file '".$this->zipname."'");
      return(false);
    }

    if (!is_readable($this->zipname)) {
      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to read archive '".$this->zipname."'");
      return(false);
    }

    return $v_result;
  }

  function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_requested_options=false)
  {
    $v_result=1;

    $i=0;
    while ($i<$p_size) {

      if (!isset($v_requested_options[$p_options_list[$i]])) {
        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid optional parameter '".$p_options_list[$i]."' for this method");
        return PclZip::errorCode();
      }

      switch ($p_options_list[$i]) {
        case PCLZIP_OPT_PATH :
        case PCLZIP_OPT_REMOVE_PATH :
        case PCLZIP_OPT_ADD_PATH :

          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1], FALSE);
          $i++;
        break;

        case PCLZIP_OPT_EXTRACT_DIR_RESTRICTION :
          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          if (   is_string($p_options_list[$i+1])
              && ($p_options_list[$i+1] != '')) {
            $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1], FALSE);
            $i++;
          }
        break;

        case PCLZIP_OPT_BY_NAME :

          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          if (is_string($p_options_list[$i+1])) {
              $v_result_list[$p_options_list[$i]][0] = $p_options_list[$i+1];
          }
          else if (is_array($p_options_list[$i+1])) {
              $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
          }
          else {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
            return PclZip::errorCode();
          }
          $i++;
        break;

        case PCLZIP_OPT_BY_EREG :
        case PCLZIP_OPT_BY_PREG :

          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          if (is_string($p_options_list[$i+1])) {
              $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
          }
          else {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $i++;
        break;

        case PCLZIP_OPT_COMMENT :
        case PCLZIP_OPT_ADD_COMMENT :
        case PCLZIP_OPT_PREPEND_COMMENT :

          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,
			                     "Missing parameter value for option '"
								 .PclZipUtilOptionText($p_options_list[$i])
								 ."'");

            return PclZip::errorCode();
          }

          if (is_string($p_options_list[$i+1])) {
              $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
          }
          else {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,
			                     "Wrong parameter value for option '"
								 .PclZipUtilOptionText($p_options_list[$i])
								 ."'");

            return PclZip::errorCode();
          }
          $i++;
        break;

        case PCLZIP_OPT_BY_INDEX :

          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $v_work_list = array();
          if (is_string($p_options_list[$i+1])) {
              $p_options_list[$i+1] = strtr($p_options_list[$i+1], ' ', '');

              $v_work_list = explode(",", $p_options_list[$i+1]);
          }
          else if (is_integer($p_options_list[$i+1])) {
              $v_work_list[0] = $p_options_list[$i+1].'-'.$p_options_list[$i+1];
          }
          else if (is_array($p_options_list[$i+1])) {
              $v_work_list = $p_options_list[$i+1];
          }
          else {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Value must be integer, string or array for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $v_sort_flag=false;
          $v_sort_value=0;
          for ($j=0; $j<sizeof($v_work_list); $j++) {

              $v_item_list = explode("-", $v_work_list[$j]);
              $v_size_item_list = sizeof($v_item_list);

              if ($v_size_item_list == 1) {
                  $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
                  $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[0];
              }
              elseif ($v_size_item_list == 2) {
                  $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
                  $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[1];
              }
              else {
                  PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Too many values in index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");

                  return PclZip::errorCode();
              }

              if ($v_result_list[$p_options_list[$i]][$j]['start'] < $v_sort_value) {
                  $v_sort_flag=true;

                  PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Invalid order of index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");

                  return PclZip::errorCode();
              }
              $v_sort_value = $v_result_list[$p_options_list[$i]][$j]['start'];
          }
          $i++;
        break;

        case PCLZIP_OPT_REMOVE_ALL_PATH :
        case PCLZIP_OPT_EXTRACT_AS_STRING :
        case PCLZIP_OPT_NO_COMPRESSION :
        case PCLZIP_OPT_EXTRACT_IN_OUTPUT :
        case PCLZIP_OPT_REPLACE_NEWER :
        case PCLZIP_OPT_STOP_ON_ERROR :
          $v_result_list[$p_options_list[$i]] = true;
        break;

        case PCLZIP_OPT_SET_CHMOD :
          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
          $i++;
        break;

        case PCLZIP_CB_PRE_EXTRACT :
        case PCLZIP_CB_POST_EXTRACT :
        case PCLZIP_CB_PRE_ADD :
        case PCLZIP_CB_POST_ADD :

          if (($i+1) >= $p_size) {
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $v_function_name = $p_options_list[$i+1];

          if (!function_exists($v_function_name)) {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Function '".$v_function_name."()' is not an existing function for option '".PclZipUtilOptionText($p_options_list[$i])."'");

            return PclZip::errorCode();
          }

          $v_result_list[$p_options_list[$i]] = $v_function_name;
          $i++;
        break;

        default :

          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
		                       "Unknown parameter '"
							   .$p_options_list[$i]."'");

          return PclZip::errorCode();
      }

      $i++;
    }

    if ($v_requested_options !== false) {
      for ($key=reset($v_requested_options); $key=key($v_requested_options); $key=next($v_requested_options)) {
        if ($v_requested_options[$key] == 'mandatory') {

          if (!isset($v_result_list[$key])) {

            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")");

            return PclZip::errorCode();
          }
        }
      }
    }

    return $v_result;
  }

  function privFileDescrParseAtt(&$p_file_list, &$p_filedescr, $v_options, $v_requested_options=false)
  {
    $v_result=1;

    foreach ($p_file_list as $v_key => $v_value) {

      if (!isset($v_requested_options[$v_key])) {
        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file attribute '".$v_key."' for this file");

        return PclZip::errorCode();
      }

      switch ($v_key) {
        case PCLZIP_ATT_FILE_NAME :
          if (!is_string($v_value)) {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }

          $p_filedescr['filename'] = PclZipUtilPathReduction($v_value);

          if ($p_filedescr['filename'] == '') {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty filename for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }

        break;

        case PCLZIP_ATT_FILE_NEW_SHORT_NAME :
          if (!is_string($v_value)) {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }

          $p_filedescr['new_short_name'] = PclZipUtilPathReduction($v_value);

          if ($p_filedescr['new_short_name'] == '') {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty short filename for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }
        break;

        case PCLZIP_ATT_FILE_NEW_FULL_NAME :
          if (!is_string($v_value)) {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }

          $p_filedescr['new_full_name'] = PclZipUtilPathReduction($v_value);

          if ($p_filedescr['new_full_name'] == '') {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty full filename for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }
        break;

        case PCLZIP_ATT_FILE_COMMENT :
          if (!is_string($v_value)) {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }

          $p_filedescr['comment'] = $v_value;
        break;

        case PCLZIP_ATT_FILE_MTIME :
          if (!is_integer($v_value)) {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type ".gettype($v_value).". Integer expected for attribute '".PclZipUtilOptionText($v_key)."'");
            return PclZip::errorCode();
          }

          $p_filedescr['mtime'] = $v_value;
        break;

        case PCLZIP_ATT_FILE_CONTENT :
          $p_filedescr['content'] = $v_value;
        break;

        default :
          PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
		                           "Unknown parameter '".$v_key."'");

          return PclZip::errorCode();
      }

      if ($v_requested_options !== false) {
        for ($key=reset($v_requested_options); $key=key($v_requested_options); $key=next($v_requested_options)) {
          if ($v_requested_options[$key] == 'mandatory') {
            if (!isset($p_file_list[$key])) {
              PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")");
              return PclZip::errorCode();
            }
          }
        }
      }
    }
    return $v_result;
  }

  function privFileDescrExpand(&$p_filedescr_list, &$p_options)
  {
    $v_result=1;

    $v_result_list = array();

    for ($i=0; $i<sizeof($p_filedescr_list); $i++) {

      $v_descr = $p_filedescr_list[$i];

      $v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename']);
      $v_descr['filename'] = PclZipUtilPathReduction($v_descr['filename']);

      if (file_exists($v_descr['filename'])) {
        if (@is_file($v_descr['filename'])) {
          $v_descr['type'] = 'file';
        }
        else if (@is_dir($v_descr['filename'])) {
          $v_descr['type'] = 'folder';
        }
        else if (@is_link($v_descr['filename'])) {
          continue;
        }
        else {
          continue;
        }
      }

      else if (isset($v_descr['content'])) {
        $v_descr['type'] = 'virtual_file';
      }

      else {
        PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$v_descr['filename']."' does not exists");

        return PclZip::errorCode();
      }

      $this->privCalculateStoredFilename($v_descr, $p_options);

      $v_result_list[sizeof($v_result_list)] = $v_descr;

      if ($v_descr['type'] == 'folder') {
        $v_dirlist_descr = array();
        $v_dirlist_nb = 0;
        if ($v_folder_handler = @opendir($v_descr['filename'])) {
          while (($v_item_handler = @readdir($v_folder_handler)) !== false) {

            if (($v_item_handler == '.') || ($v_item_handler == '..')) {
                continue;
            }

            $v_dirlist_descr[$v_dirlist_nb]['filename'] = $v_descr['filename'].'/'.$v_item_handler;

            if ($v_descr['stored_filename'] != $v_descr['filename']) {
              if ($v_descr['stored_filename'] != '') {
                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_descr['stored_filename'].'/'.$v_item_handler;
              }
              else {
                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_item_handler;
              }
            }

            $v_dirlist_nb++;
          }

          @closedir($v_folder_handler);
        }

        if ($v_dirlist_nb != 0) {
          if (($v_result = $this->privFileDescrExpand($v_dirlist_descr, $p_options)) != 1) {
            return $v_result;
          }

          $v_result_list = array_merge($v_result_list, $v_dirlist_descr);

        }
        unset($v_dirlist_descr);
      }
    }

    $p_filedescr_list = $v_result_list;

    return $v_result;
  }

  function privCreate($p_filedescr_list, &$p_result_list, &$p_options)
  {

    $v_result=1;
    $v_list_detail = array();

    $this->privDisableMagicQuotes();

    if (($v_result = $this->privOpenFd('wb')) != 1)
    {
      return $v_result;
    }

    $v_result = $this->privAddList($p_filedescr_list, $p_result_list, $p_options);

    $this->privCloseFd();

    $this->privSwapBackMagicQuotes();

    return $v_result;
  }

  function privAdd($p_filedescr_list, &$p_result_list, &$p_options)
  {
    $v_result=1;
    $v_list_detail = array();

    if ((!is_file($this->zipname)) || (filesize($this->zipname) == 0))
    {

      $v_result = $this->privCreate($p_filedescr_list, $p_result_list, $p_options);

      return $v_result;
    }

    $this->privDisableMagicQuotes();

    if (($v_result=$this->privOpenFd('rb')) != 1)
    {
      $this->privSwapBackMagicQuotes();
      return $v_result;
    }

    $v_central_dir = array();
    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
    {
      $this->privCloseFd();
      $this->privSwapBackMagicQuotes();
      return $v_result;
    }

    @rewind($this->zip_fd);

    $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';

    if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0)
    {
      $this->privCloseFd();
      $this->privSwapBackMagicQuotes();

      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');

      return PclZip::errorCode();
    }

    $v_size = $v_central_dir['offset'];
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = fread($this->zip_fd, $v_read_size);
      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    $v_swap = $this->zip_fd;
    $this->zip_fd = $v_zip_temp_fd;
    $v_zip_temp_fd = $v_swap;

    $v_header_list = array();
    if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1)
    {
      fclose($v_zip_temp_fd);
      $this->privCloseFd();
      @unlink($v_zip_temp_name);
      $this->privSwapBackMagicQuotes();

      return $v_result;
    }

    $v_offset = @ftell($this->zip_fd);

    $v_size = $v_central_dir['size'];
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = @fread($v_zip_temp_fd, $v_read_size);
      @fwrite($this->zip_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    for ($i=0, $v_count=0; $i<sizeof($v_header_list); $i++)
    {
      if ($v_header_list[$i]['status'] == 'ok') {
        if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
          fclose($v_zip_temp_fd);
          $this->privCloseFd();
          @unlink($v_zip_temp_name);
          $this->privSwapBackMagicQuotes();

          return $v_result;
        }
        $v_count++;
      }

      $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
    }

    $v_comment = $v_central_dir['comment'];
    if (isset($p_options[PCLZIP_OPT_COMMENT])) {
      $v_comment = $p_options[PCLZIP_OPT_COMMENT];
    }
    if (isset($p_options[PCLZIP_OPT_ADD_COMMENT])) {
      $v_comment = $v_comment.$p_options[PCLZIP_OPT_ADD_COMMENT];
    }
    if (isset($p_options[PCLZIP_OPT_PREPEND_COMMENT])) {
      $v_comment = $p_options[PCLZIP_OPT_PREPEND_COMMENT].$v_comment;
    }

    $v_size = @ftell($this->zip_fd)-$v_offset;

    if (($v_result = $this->privWriteCentralHeader($v_count+$v_central_dir['entries'], $v_size, $v_offset, $v_comment)) != 1)
    {
      unset($v_header_list);
      $this->privSwapBackMagicQuotes();

      return $v_result;
    }

    $v_swap = $this->zip_fd;
    $this->zip_fd = $v_zip_temp_fd;
    $v_zip_temp_fd = $v_swap;

    $this->privCloseFd();

    @fclose($v_zip_temp_fd);

    $this->privSwapBackMagicQuotes();

    @unlink($this->zipname);

    PclZipUtilRename($v_zip_temp_name, $this->zipname);

    return $v_result;
  }

  function privOpenFd($p_mode)
  {
    $v_result=1;

    if ($this->zip_fd != 0)
    {
      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Zip file \''.$this->zipname.'\' already open');

      return PclZip::errorCode();
    }

    if (($this->zip_fd = @fopen($this->zipname, $p_mode)) == 0)
    {
      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in '.$p_mode.' mode');
      return PclZip::errorCode();
    }
    return $v_result;
  }

  function privCloseFd()
  {
    $v_result=1;

    if ($this->zip_fd != 0)
      @fclose($this->zip_fd);
    $this->zip_fd = 0;

    return $v_result;
  }

  function privAddList($p_filedescr_list, &$p_result_list, &$p_options)
  {
    $v_result=1;

    $v_header_list = array();
    if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1)
    {
      return $v_result;
    }

    $v_offset = @ftell($this->zip_fd);

    for ($i=0,$v_count=0; $i<sizeof($v_header_list); $i++)
    {
      if ($v_header_list[$i]['status'] == 'ok') {
        if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
          return $v_result;
        }
        $v_count++;
      }

      $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
    }

    $v_comment = '';
    if (isset($p_options[PCLZIP_OPT_COMMENT])) {
      $v_comment = $p_options[PCLZIP_OPT_COMMENT];
    }

    $v_size = @ftell($this->zip_fd)-$v_offset;

    if (($v_result = $this->privWriteCentralHeader($v_count, $v_size, $v_offset, $v_comment)) != 1)
    {
      unset($v_header_list);
      return $v_result;
    }
    return $v_result;
  }

  function privAddFileList($p_filedescr_list, &$p_result_list, &$p_options)
  {
    $v_result=1;
    $v_header = array();

    $v_nb = sizeof($p_result_list);

    for ($j=0; ($j<sizeof($p_filedescr_list)) && ($v_result==1); $j++) {

      $p_filedescr_list[$j]['filename']
      = PclZipUtilTranslateWinPath($p_filedescr_list[$j]['filename'], false);

      if ($p_filedescr_list[$j]['filename'] == "") {
        continue;
      }

      if (   ($p_filedescr_list[$j]['type'] != 'virtual_file')
          && (!file_exists($p_filedescr_list[$j]['filename']))) {
        PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '".$p_filedescr_list[$j]['filename']."' does not exists");
        return PclZip::errorCode();
      }

      if (   ($p_filedescr_list[$j]['type'] == 'file')
          || ($p_filedescr_list[$j]['type'] == 'virtual_file')
          || (   ($p_filedescr_list[$j]['type'] == 'folder')
              && (   !isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])
                  || !$p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))
          ) {

        $v_result = $this->privAddFile($p_filedescr_list[$j], $v_header,
                                       $p_options);
        if ($v_result != 1) {
          return $v_result;
        }
        $p_result_list[$v_nb++] = $v_header;
      }
    }
    return $v_result;
  }

  function privAddFile($p_filedescr, &$p_header, &$p_options)
  {
    $v_result=1;

    $p_filename = $p_filedescr['filename'];

    if ($p_filename == "") {
      PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file list parameter (invalid or empty list)");
      return PclZip::errorCode();
    }

    clearstatcache();
    $p_header['version'] = 20;
    $p_header['version_extracted'] = 10;
    $p_header['flag'] = 0;
    $p_header['compression'] = 0;
    $p_header['crc'] = 0;
    $p_header['compressed_size'] = 0;
    $p_header['filename_len'] = strlen($p_filename);
    $p_header['extra_len'] = 0;
    $p_header['disk'] = 0;
    $p_header['internal'] = 0;
    $p_header['offset'] = 0;
    $p_header['filename'] = $p_filename;
    $p_header['stored_filename'] = $p_filedescr['stored_filename'];
    $p_header['extra'] = '';
    $p_header['status'] = 'ok';
    $p_header['index'] = -1;

    if ($p_filedescr['type']=='file') {
      $p_header['external'] = 0x00000000;
      $p_header['size'] = filesize($p_filename);
    }

    else if ($p_filedescr['type']=='folder') {
      $p_header['external'] = 0x00000010;
      $p_header['mtime'] = filemtime($p_filename);
      $p_header['size'] = filesize($p_filename);
    }

    else if ($p_filedescr['type'] == 'virtual_file') {
      $p_header['external'] = 0x00000000;
      $p_header['size'] = strlen($p_filedescr['content']);
    }

    if (isset($p_filedescr['mtime'])) {
      $p_header['mtime'] = $p_filedescr['mtime'];
    }
    else if ($p_filedescr['type'] == 'virtual_file') {
      $p_header['mtime'] = mktime();
    }
    else {
      $p_header['mtime'] = filemtime($p_filename);
    }

    if (isset($p_filedescr['comment'])) {
      $p_header['comment_len'] = strlen($p_filedescr['comment']);
      $p_header['comment'] = $p_filedescr['comment'];
    }
    else {
      $p_header['comment_len'] = 0;
      $p_header['comment'] = '';
    }

    if (isset($p_options[PCLZIP_CB_PRE_ADD])) {
      $v_local_header = array();
      $this->privConvertHeader2FileInfo($p_header, $v_local_header);

      eval('$v_result = '.$p_options[PCLZIP_CB_PRE_ADD].'(PCLZIP_CB_PRE_ADD, $v_local_header);');
      if ($v_result == 0) {
        $p_header['status'] = "skipped";
        $v_result = 1;
      }

      if ($p_header['stored_filename'] != $v_local_header['stored_filename']) {
        $p_header['stored_filename'] = PclZipUtilPathReduction($v_local_header['stored_filename']);
      }
    }

    if ($p_header['stored_filename'] == "") {
      $p_header['status'] = "filtered";
    }

    if (strlen($p_header['stored_filename']) > 0xFF) {
      $p_header['status'] = 'filename_too_long';
    }

    if ($p_header['status'] == 'ok') {

      if (   ($p_filedescr['type'] == 'file')
          || ($p_filedescr['type'] == 'virtual_file')) {

        if ($p_filedescr['type'] == 'file') {

          if (($v_file = @fopen($p_filename, "rb")) == 0) {
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
            return PclZip::errorCode();
          }

          $v_content = @fread($v_file, $p_header['size']);

          @fclose($v_file);
        }
        else if ($p_filedescr['type'] == 'virtual_file') {
          $v_content = $p_filedescr['content'];
        }

        $p_header['crc'] = @crc32($v_content);

        if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) {
          $p_header['compressed_size'] = $p_header['size'];
          $p_header['compression'] = 0;
        }

        else {
          $v_content = @gzdeflate($v_content);
          $p_header['compressed_size'] = strlen($v_content);
          $p_header['compression'] = 8;
        }

        if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
          @fclose($v_file);
          return $v_result;
        }

        @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
      }

      else if ($p_filedescr['type'] == 'folder') {

        if (@substr($p_header['stored_filename'], -1) != '/') {
          $p_header['stored_filename'] .= '/';
        }

        $p_header['size'] = 0;
        $p_header['external'] = 0x00000010;

        if (($v_result = $this->privWriteFileHeader($p_header)) != 1)
        {
          return $v_result;
        }
      }
    }

    if (isset($p_options[PCLZIP_CB_POST_ADD])) {

      $v_local_header = array();
      $this->privConvertHeader2FileInfo($p_header, $v_local_header);

      eval('$v_result = '.$p_options[PCLZIP_CB_POST_ADD].'(PCLZIP_CB_POST_ADD, $v_local_header);');
      if ($v_result == 0) {
        $v_result = 1;
      }
    }
    return $v_result;
  }

  function privCalculateStoredFilename(&$p_filedescr, &$p_options)
  {
    $v_result=1;

    $p_filename = $p_filedescr['filename'];
    if (isset($p_options[PCLZIP_OPT_ADD_PATH])) {
      $p_add_dir = $p_options[PCLZIP_OPT_ADD_PATH];
    }
    else {
      $p_add_dir = '';
    }
    if (isset($p_options[PCLZIP_OPT_REMOVE_PATH])) {
      $p_remove_dir = $p_options[PCLZIP_OPT_REMOVE_PATH];
    }
    else {
      $p_remove_dir = '';
    }

    if (isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
      $p_remove_all_dir = $p_options[PCLZIP_OPT_REMOVE_ALL_PATH];
    }
    else {
      $p_remove_all_dir = 0;
    }

    if (isset($p_filedescr['new_full_name'])) {
      $v_stored_filename = $p_filedescr['new_full_name'];
    }

    else {

      if (isset($p_filedescr['new_short_name'])) {
        $v_path_info = pathinfo($p_filename);
        $v_dir = '';
        if ($v_path_info['dirname'] != '') {
          $v_dir = $v_path_info['dirname'].'/';
        }
        $v_stored_filename = $v_dir.$p_filedescr['new_short_name'];
      }
      else {
        $v_stored_filename = $p_filename;
      }

      if ($p_remove_all_dir) {
        $v_stored_filename = basename($p_filename);
      }

      else if ($p_remove_dir != "") {

        if (substr($p_remove_dir, -1) != '/')
          $p_remove_dir .= "/";

        if (   (substr($p_filename, 0, 2) == "./")
            || (substr($p_remove_dir, 0, 2) == "./")) {

          if (   (substr($p_filename, 0, 2) == "./")
              && (substr($p_remove_dir, 0, 2) != "./")) {
            $p_remove_dir = "./".$p_remove_dir;
          }
          if (   (substr($p_filename, 0, 2) != "./")
              && (substr($p_remove_dir, 0, 2) == "./")) {
            $p_remove_dir = substr($p_remove_dir, 2);
          }
        }

        $v_compare = PclZipUtilPathInclusion($p_remove_dir,
                                             $v_stored_filename);
        if ($v_compare > 0) {
          if ($v_compare == 2) {
            $v_stored_filename = "";
          }
          else {
            $v_stored_filename = substr($v_stored_filename,
                                        strlen($p_remove_dir));
          }
        }
      }

      if ($p_add_dir != "") {
        if (substr($p_add_dir, -1) == "/")
          $v_stored_filename = $p_add_dir.$v_stored_filename;
        else
          $v_stored_filename = $p_add_dir."/".$v_stored_filename;
      }
    }

    $v_stored_filename = PclZipUtilPathReduction($v_stored_filename);
    $p_filedescr['stored_filename'] = $v_stored_filename;
    return $v_result;
  }

  function privWriteFileHeader(&$p_header)
  {
    $v_result=1;

    $p_header['offset'] = ftell($this->zip_fd);

    $v_date = getdate($p_header['mtime']);
    $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
    $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];

    $v_binary_data = pack("VvvvvvVVVvv", 0x04034b50,
	                      $p_header['version_extracted'], $p_header['flag'],
                          $p_header['compression'], $v_mtime, $v_mdate,
                          $p_header['crc'], $p_header['compressed_size'],
						  $p_header['size'],
                          strlen($p_header['stored_filename']),
						  $p_header['extra_len']);

    fputs($this->zip_fd, $v_binary_data, 30);

    if (strlen($p_header['stored_filename']) != 0)
    {
      fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
    }
    if ($p_header['extra_len'] != 0)
    {
      fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
    }

    return $v_result;
  }

  function privWriteCentralFileHeader(&$p_header)
  {
    $v_result=1;

    $v_date = getdate($p_header['mtime']);
    $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
    $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];

    $v_binary_data = pack("VvvvvvvVVVvvvvvVV", 0x02014b50,
	                      $p_header['version'], $p_header['version_extracted'],
                          $p_header['flag'], $p_header['compression'],
						  $v_mtime, $v_mdate, $p_header['crc'],
                          $p_header['compressed_size'], $p_header['size'],
                          strlen($p_header['stored_filename']),
						  $p_header['extra_len'], $p_header['comment_len'],
                          $p_header['disk'], $p_header['internal'],
						  $p_header['external'], $p_header['offset']);

    fputs($this->zip_fd, $v_binary_data, 46);

    if (strlen($p_header['stored_filename']) != 0)
    {
      fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
    }
    if ($p_header['extra_len'] != 0)
    {
      fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
    }
    if ($p_header['comment_len'] != 0)
    {
      fputs($this->zip_fd, $p_header['comment'], $p_header['comment_len']);
    }

    return $v_result;
  }

  function privWriteCentralHeader($p_nb_entries, $p_size, $p_offset, $p_comment)
  {
    $v_result=1;
    $v_binary_data = pack("VvvvvVVv", 0x06054b50, 0, 0, $p_nb_entries,
	                      $p_nb_entries, $p_size,
						  $p_offset, strlen($p_comment));

    fputs($this->zip_fd, $v_binary_data, 22);

    if (strlen($p_comment) != 0)
    {
      fputs($this->zip_fd, $p_comment, strlen($p_comment));
    }

    return $v_result;
  }

  function privList(&$p_list)
  {
    $v_result=1;

    $this->privDisableMagicQuotes();

    if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0)
    {
      $this->privSwapBackMagicQuotes();

      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode');

      return PclZip::errorCode();
    }

    $v_central_dir = array();
    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
    {
      $this->privSwapBackMagicQuotes();
      return $v_result;
    }

    @rewind($this->zip_fd);
    if (@fseek($this->zip_fd, $v_central_dir['offset']))
    {
      $this->privSwapBackMagicQuotes();

      PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

      return PclZip::errorCode();
    }

    for ($i=0; $i<$v_central_dir['entries']; $i++)
    {
      if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1)
      {
        $this->privSwapBackMagicQuotes();
        return $v_result;
      }
      $v_header['index'] = $i;

      $this->privConvertHeader2FileInfo($v_header, $p_list[$i]);
      unset($v_header);
    }

    $this->privCloseFd();

    $this->privSwapBackMagicQuotes();

    return $v_result;
  }

  function privConvertHeader2FileInfo($p_header, &$p_info)
  {
    $v_result=1;

    $p_info['filename'] = $p_header['filename'];
    $p_info['stored_filename'] = $p_header['stored_filename'];
    $p_info['size'] = $p_header['size'];
    $p_info['compressed_size'] = $p_header['compressed_size'];
    $p_info['mtime'] = $p_header['mtime'];
    $p_info['comment'] = $p_header['comment'];
    $p_info['folder'] = (($p_header['external']&0x00000010)==0x00000010);
    $p_info['index'] = $p_header['index'];
    $p_info['status'] = $p_header['status'];
    $p_info['crc'] = $p_header['crc'];

    return $v_result;
  }

  function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all_path, &$p_options)
  {
    $v_result=1;

    $this->privDisableMagicQuotes();

    if (   ($p_path == "")
	    || (   (substr($p_path, 0, 1) != "/")
		    && (substr($p_path, 0, 3) != "../")
			&& (substr($p_path,1,2)!=":/")))
      $p_path = "./".$p_path;

    if (($p_path != "./") && ($p_path != "/"))
    {

      while (substr($p_path, -1) == "/")
      {
        $p_path = substr($p_path, 0, strlen($p_path)-1);
      }
    }

    if (($p_remove_path != "") && (substr($p_remove_path, -1) != '/'))
    {
      $p_remove_path .= '/';
    }
    $p_remove_path_size = strlen($p_remove_path);

    if (($v_result = $this->privOpenFd('rb')) != 1)
    {
      $this->privSwapBackMagicQuotes();
      return $v_result;
    }

    $v_central_dir = array();
    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
    {
      $this->privCloseFd();
      $this->privSwapBackMagicQuotes();

      return $v_result;
    }

    $v_pos_entry = $v_central_dir['offset'];

    $j_start = 0;
    for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++)
    {
      @rewind($this->zip_fd);
      if (@fseek($this->zip_fd, $v_pos_entry))
      {
        $this->privCloseFd();
        $this->privSwapBackMagicQuotes();

        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

        return PclZip::errorCode();
      }

      $v_header = array();
      if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1)
      {
        $this->privCloseFd();
        $this->privSwapBackMagicQuotes();
        return $v_result;
      }

      $v_header['index'] = $i;

      $v_pos_entry = ftell($this->zip_fd);

      $v_extract = false;

      if (   (isset($p_options[PCLZIP_OPT_BY_NAME]))
          && ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {

          for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_extract); $j++) {
              if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") {
                  if (   (strlen($v_header['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
                      && (substr($v_header['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
 
                      $v_extract = true;
                  }
              }
              elseif ($v_header['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
                  $v_extract = true;
              }
          }
      }
      else if (   (isset($p_options[PCLZIP_OPT_BY_EREG]))
               && ($p_options[PCLZIP_OPT_BY_EREG] != "")) {

          if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header['stored_filename'])) {
              $v_extract = true;
          }
      }
      else if (   (isset($p_options[PCLZIP_OPT_BY_PREG]))
               && ($p_options[PCLZIP_OPT_BY_PREG] != "")) {

          if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header['stored_filename'])) {
              $v_extract = true;
          }
      }
      else if (   (isset($p_options[PCLZIP_OPT_BY_INDEX]))
               && ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {

          for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_extract); $j++) {

              if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
                  $v_extract = true;
              }
              if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
                  $j_start = $j+1;
              }

              if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) {
                  break;
              }
          }
      }

      else {
          $v_extract = true;
      }

	  if (   ($v_extract)
	      && (   ($v_header['compression'] != 8)
		      && ($v_header['compression'] != 0))) {
          $v_header['status'] = 'unsupported_compression';

          if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
		      && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {

              $this->privSwapBackMagicQuotes();

              PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_COMPRESSION,
			                       "Filename '".$v_header['stored_filename']."' is "
				  	    	  	   ."compressed by an unsupported compression "
				  	    	  	   ."method (".$v_header['compression'].") ");
              return PclZip::errorCode();
		  }
	  }
	  if (($v_extract) && (($v_header['flag'] & 1) == 1)) {
          $v_header['status'] = 'unsupported_encryption';
          if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
		      && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {

              $this->privSwapBackMagicQuotes();

              PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION,
			                       "Unsupported encryption for "
				  	    	  	   ." filename '".$v_header['stored_filename']
								   ."'");

              return PclZip::errorCode();
		  }
    }

      if (($v_extract) && ($v_header['status'] != 'ok')) {
          $v_result = $this->privConvertHeader2FileInfo($v_header,
		                                        $p_file_list[$v_nb_extracted++]);
          if ($v_result != 1) {
              $this->privCloseFd();
              $this->privSwapBackMagicQuotes();
              return $v_result;
          }

          $v_extract = false;
      }

      if ($v_extract)
      {

        @rewind($this->zip_fd);
        if (@fseek($this->zip_fd, $v_header['offset']))
        {
          $this->privCloseFd();

          $this->privSwapBackMagicQuotes();

          PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

          return PclZip::errorCode();
        }

        if ($p_options[PCLZIP_OPT_EXTRACT_AS_STRING]) {

          $v_result1 = $this->privExtractFileAsString($v_header, $v_string);
          if ($v_result1 < 1) {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result1;
          }

          if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted])) != 1)
          {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();

            return $v_result;
          }

          $p_file_list[$v_nb_extracted]['content'] = $v_string;

          $v_nb_extracted++;

          if ($v_result1 == 2) {
          	break;
          }
        }
        elseif (   (isset($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT]))
		        && ($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT])) {

          $v_result1 = $this->privExtractFileInOutput($v_header, $p_options);
          if ($v_result1 < 1) {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result1;
          }

          if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result;
          }

          if ($v_result1 == 2) {
          	break;
          }
        }

        else {
          $v_result1 = $this->privExtractFile($v_header,
		                                      $p_path, $p_remove_path,
											  $p_remove_all_path,
											  $p_options);
          if ($v_result1 < 1) {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result1;
          }

          if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1)
          {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result;
          }

          if ($v_result1 == 2) {
          	break;
          }
        }
      }
    }

    $this->privCloseFd();
    $this->privSwapBackMagicQuotes();

    return $v_result;
  }

  function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_options)
  {

    $v_result=1;

    if (($v_result = $this->privReadFileHeader($v_header)) != 1)
    {
      return $v_result;
    }

    if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {

    }

    if ($p_remove_all_path == true) {

        if (($p_entry['external']&0x00000010)==0x00000010) {
 
            $p_entry['status'] = "filtered";

            return $v_result;
        }

        $p_entry['filename'] = basename($p_entry['filename']);
    }

    else if ($p_remove_path != "")
    {
      if (PclZipUtilPathInclusion($p_remove_path, $p_entry['filename']) == 2)
      {
        $p_entry['status'] = "filtered";
        return $v_result;
      }

      $p_remove_path_size = strlen($p_remove_path);
      if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path)
      {
        $p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size);
      }
    }

    if ($p_path != '') {
      $p_entry['filename'] = $p_path."/".$p_entry['filename'];
    }

    if (isset($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION])) {
      $v_inclusion
      = PclZipUtilPathInclusion($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION],
                                $p_entry['filename']);
      if ($v_inclusion == 0) {

        PclZip::privErrorLog(PCLZIP_ERR_DIRECTORY_RESTRICTION,
			                     "Filename '".$p_entry['filename']."' is "
								 ."outside PCLZIP_OPT_EXTRACT_DIR_RESTRICTION");

        return PclZip::errorCode();
      }
    }

    if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {
      $v_local_header = array();
      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);

      eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);');
      if ($v_result == 0) {
        $p_entry['status'] = "skipped";
        $v_result = 1;
      }

      if ($v_result == 2) {
        $p_entry['status'] = "aborted";
      	$v_result = PCLZIP_ERR_USER_ABORTED;
      }

      $p_entry['filename'] = $v_local_header['filename'];
    }

    if ($p_entry['status'] == 'ok') {

    if (file_exists($p_entry['filename']))
    {
      if (is_dir($p_entry['filename']))
      {
        $p_entry['status'] = "already_a_directory";

        if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
		    && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {

            PclZip::privErrorLog(PCLZIP_ERR_ALREADY_A_DIRECTORY,
			                     "Filename '".$p_entry['filename']."' is "
								 ."already used by an existing directory");

            return PclZip::errorCode();
		}
      }

      else if (!is_writeable($p_entry['filename']))
      {
        $p_entry['status'] = "write_protected";

        if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
		    && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {

            PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,
			                     "Filename '".$p_entry['filename']."' exists "
								 ."and is write protected");

            return PclZip::errorCode();
		}
      }

      else if (filemtime($p_entry['filename']) > $p_entry['mtime'])
      {
 
        if (   (isset($p_options[PCLZIP_OPT_REPLACE_NEWER]))
		    && ($p_options[PCLZIP_OPT_REPLACE_NEWER]===true)) {
		}
		else {
            $p_entry['status'] = "newer_exist";

            if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
		        && ($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)) {

                PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,
			             "Newer version of '".$p_entry['filename']."' exists "
					    ."and option PCLZIP_OPT_REPLACE_NEWER is not selected");

                return PclZip::errorCode();
		    }
		}
      }
    }

    else {
      if ((($p_entry['external']&0x00000010)==0x00000010) || (substr($p_entry['filename'], -1) == '/'))
        $v_dir_to_check = $p_entry['filename'];
      else if (!strstr($p_entry['filename'], "/"))
        $v_dir_to_check = "";
      else
        $v_dir_to_check = dirname($p_entry['filename']);

      if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) {

        $p_entry['status'] = "path_creation_fail";

        $v_result = 1;
      }
    }
    }

    if ($p_entry['status'] == 'ok') {

      if (!(($p_entry['external']&0x00000010)==0x00000010))
      {
        if ($p_entry['compression'] == 0) {

          if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0)
          {
            $p_entry['status'] = "write_error";
            return $v_result;
          }

          $v_size = $p_entry['compressed_size'];
          while ($v_size != 0)
          {
            $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($this->zip_fd, $v_read_size);
            @fwrite($v_dest_file, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
          }

          fclose($v_dest_file);

          touch($p_entry['filename'], $p_entry['mtime']);

        }
        else {
          if (($p_entry['flag'] & 1) == 1) {

          }
          else {
              $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
          }

          $v_file_content = @gzinflate($v_buffer);
          unset($v_buffer);
          if ($v_file_content === FALSE) {
            $p_entry['status'] = "error";
            return $v_result;
          }

          if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
            $p_entry['status'] = "write_error";
            return $v_result;
          }

          @fwrite($v_dest_file, $v_file_content, $p_entry['size']);
          unset($v_file_content);

          @fclose($v_dest_file);

          @touch($p_entry['filename'], $p_entry['mtime']);
        }

        if (isset($p_options[PCLZIP_OPT_SET_CHMOD])) {
          @chmod($p_entry['filename'], $p_options[PCLZIP_OPT_SET_CHMOD]);
        }

      }
    }

	if ($p_entry['status'] == "aborted") {
      $p_entry['status'] = "skipped";
	}

    elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {
      $v_local_header = array();
      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);

      eval('$v_result = '.$p_options[PCLZIP_CB_POST_EXTRACT].'(PCLZIP_CB_POST_EXTRACT, $v_local_header);');

      if ($v_result == 2) {
      	$v_result = PCLZIP_ERR_USER_ABORTED;
      }
    }
    return $v_result;
  }

  function privExtractFileInOutput(&$p_entry, &$p_options)
  {
    $v_result=1;
    if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
      return $v_result;
    }

    if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {

    }

    if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {

      $v_local_header = array();
      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);

      eval('$v_result = '.$p_options[PCLZIP_CB_PRE_EXTRACT].'(PCLZIP_CB_PRE_EXTRACT, $v_local_header);');
      if ($v_result == 0) {
        $p_entry['status'] = "skipped";
        $v_result = 1;
      }

      if ($v_result == 2) {
        $p_entry['status'] = "aborted";
      	$v_result = PCLZIP_ERR_USER_ABORTED;
      }

      $p_entry['filename'] = $v_local_header['filename'];
    }

    if ($p_entry['status'] == 'ok') {

      if (!(($p_entry['external']&0x00000010)==0x00000010)) {

        if ($p_entry['compressed_size'] == $p_entry['size']) {

          $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);

          echo $v_buffer;
          unset($v_buffer);
        }
        else {
          $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);

          $v_file_content = gzinflate($v_buffer);
          unset($v_buffer);

          echo $v_file_content;
          unset($v_file_content);
        }
      }
    }

	if ($p_entry['status'] == "aborted") {
      $p_entry['status'] = "skipped";
	}

    elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {

      $v_local_header = array();
      $this->privConvertHeader2FileInfo($p_entry, $v_local_header);

      eval('$v_result = '.$p_options[PCLZIP_CB_POST_EXTRACT].'(PCLZIP_CB_POST_EXTRACT, $v_local_header);');

      if ($v_result == 2) {
      	$v_result = PCLZIP_ERR_USER_ABORTED;
      }
    }

    return $v_result;
  }

  function privExtractFileAsString(&$p_entry, &$p_string)
  {
    $v_result=1;

    $v_header = array();
    if (($v_result = $this->privReadFileHeader($v_header)) != 1)
    {
      return $v_result;
    }

    if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {

    }

    if (!(($p_entry['external']&0x00000010)==0x00000010))
    {
      if ($p_entry['compression'] == 0) {
        $p_string = @fread($this->zip_fd, $p_entry['compressed_size']);
      }
      else {

        $v_data = @fread($this->zip_fd, $p_entry['compressed_size']);

        if (($p_string = @gzinflate($v_data)) === FALSE) {

        }
      }

    }
    return $v_result;
  }

  function privReadFileHeader(&$p_header)
  {
    $v_result=1;
    $v_binary_data = @fread($this->zip_fd, 4);
    $v_data = unpack('Vid', $v_binary_data);

    if ($v_data['id'] != 0x04034b50)
    {
      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
      return PclZip::errorCode();
    }

    $v_binary_data = fread($this->zip_fd, 26);

    if (strlen($v_binary_data) != 26)
    {
      $p_header['filename'] = "";
      $p_header['status'] = "invalid_header";

      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data));

      return PclZip::errorCode();
    }

    $v_data = unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $v_binary_data);

    $p_header['filename'] = fread($this->zip_fd, $v_data['filename_len']);

    if ($v_data['extra_len'] != 0) {
      $p_header['extra'] = fread($this->zip_fd, $v_data['extra_len']);
    }
    else {
      $p_header['extra'] = '';
    }

    $p_header['version_extracted'] = $v_data['version'];
    $p_header['compression'] = $v_data['compression'];
    $p_header['size'] = $v_data['size'];
    $p_header['compressed_size'] = $v_data['compressed_size'];
    $p_header['crc'] = $v_data['crc'];
    $p_header['flag'] = $v_data['flag'];
    $p_header['filename_len'] = $v_data['filename_len'];
    $p_header['mdate'] = $v_data['mdate'];
    $p_header['mtime'] = $v_data['mtime'];
    if ($p_header['mdate'] && $p_header['mtime'])
    {
      $v_hour = ($p_header['mtime'] & 0xF800) >> 11;
      $v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
      $v_seconde = ($p_header['mtime'] & 0x001F)*2;

      $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
      $v_month = ($p_header['mdate'] & 0x01E0) >> 5;
      $v_day = $p_header['mdate'] & 0x001F;

      $p_header['mtime'] = mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
    }
    else
    {
      $p_header['mtime'] = time();
    }

    $p_header['stored_filename'] = $p_header['filename'];

    $p_header['status'] = "ok";

    return $v_result;
  }

  function privReadCentralFileHeader(&$p_header)
  {
    $v_result=1;

    $v_binary_data = @fread($this->zip_fd, 4);
    $v_data = unpack('Vid', $v_binary_data);

    if ($v_data['id'] != 0x02014b50)
    {
      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');
      return PclZip::errorCode();
    }

    $v_binary_data = fread($this->zip_fd, 42);

    if (strlen($v_binary_data) != 42)
    {
      $p_header['filename'] = "";
      $p_header['status'] = "invalid_header";
      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : ".strlen($v_binary_data));
      return PclZip::errorCode();
    }

    $p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $v_binary_data);

    if ($p_header['filename_len'] != 0)
      $p_header['filename'] = fread($this->zip_fd, $p_header['filename_len']);
    else
      $p_header['filename'] = '';

    if ($p_header['extra_len'] != 0)
      $p_header['extra'] = fread($this->zip_fd, $p_header['extra_len']);
    else
      $p_header['extra'] = '';

    if ($p_header['comment_len'] != 0)
      $p_header['comment'] = fread($this->zip_fd, $p_header['comment_len']);
    else
      $p_header['comment'] = '';

    if (1)
    {
      $v_hour = ($p_header['mtime'] & 0xF800) >> 11;
      $v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
      $v_seconde = ($p_header['mtime'] & 0x001F)*2;

      $v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
      $v_month = ($p_header['mdate'] & 0x01E0) >> 5;
      $v_day = $p_header['mdate'] & 0x001F;

      $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
    }
    else
    {
      $p_header['mtime'] = time();
    }
    $p_header['stored_filename'] = $p_header['filename'];
    $p_header['status'] = 'ok';

	if (substr($p_header['filename'], -1) == '/') {
      $p_header['external'] = 0x00000010;
    }

    return $v_result;
  }

  function privCheckFileHeaders(&$p_local_header, &$p_central_header)
  {
    $v_result=1;

	if ($p_local_header['filename'] != $p_central_header['filename']) {

	}
	if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']) {

	}
	if ($p_local_header['flag'] != $p_central_header['flag']) {

	}
	if ($p_local_header['compression'] != $p_central_header['compression']) {

	}
	if ($p_local_header['mtime'] != $p_central_header['mtime']) {

	}
	if ($p_local_header['filename_len'] != $p_central_header['filename_len']) {

	}

	if (($p_local_header['flag'] & 8) == 8) {
        $p_local_header['size'] = $p_central_header['size'];
        $p_local_header['compressed_size'] = $p_central_header['compressed_size'];
        $p_local_header['crc'] = $p_central_header['crc'];
	}
    return $v_result;
  }

  function privReadEndCentralDir(&$p_central_dir)
  {
    $v_result=1;
    $v_size = filesize($this->zipname);
    @fseek($this->zip_fd, $v_size);
    if (@ftell($this->zip_fd) != $v_size)
    {
      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to go to the end of the archive \''.$this->zipname.'\'');
      return PclZip::errorCode();
    }

    $v_found = 0;
    if ($v_size > 26) {
      @fseek($this->zip_fd, $v_size-22);
      if (($v_pos = @ftell($this->zip_fd)) != ($v_size-22))
      {
        PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
        return PclZip::errorCode();
      }

      $v_binary_data = @fread($this->zip_fd, 4);
      $v_data = @unpack('Vid', $v_binary_data);

      if ($v_data['id'] == 0x06054b50) {
        $v_found = 1;
      }

      $v_pos = ftell($this->zip_fd);
    }

    if (!$v_found) {
      $v_maximum_size = 65557; // 0xFFFF + 22;
      if ($v_maximum_size > $v_size)
        $v_maximum_size = $v_size;
      @fseek($this->zip_fd, $v_size-$v_maximum_size);
      if (@ftell($this->zip_fd) != ($v_size-$v_maximum_size))
      {
        PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
        return PclZip::errorCode();
      }

      $v_pos = ftell($this->zip_fd);
      $v_bytes = 0x00000000;
      while ($v_pos < $v_size)
      {
        $v_byte = @fread($this->zip_fd, 1);
        $v_bytes = ($v_bytes << 8) | Ord($v_byte);
        if ($v_bytes == 0x504b0506)
        {
          $v_pos++;
          break;
        }

        $v_pos++;
      }

      if ($v_pos == $v_size)
      {
        PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Unable to find End of Central Dir Record signature");
        return PclZip::errorCode();
      }
    }

    $v_binary_data = fread($this->zip_fd, 18);

    if (strlen($v_binary_data) != 18)
    {
      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid End of Central Dir Record size : ".strlen($v_binary_data));
      return PclZip::errorCode();
    }

    $v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $v_binary_data);

    if (($v_pos + $v_data['comment_size'] + 18) != $v_size) {

	  if (0) {

      PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,
	                       'The central dir is not at the end of the archive.'
						   .' Some trailing bytes exists after the archive.');

      return PclZip::errorCode();
	  }
    }

    if ($v_data['comment_size'] != 0) {
      $p_central_dir['comment'] = fread($this->zip_fd, $v_data['comment_size']);
    }
    else
      $p_central_dir['comment'] = '';

    $p_central_dir['entries'] = $v_data['entries'];
    $p_central_dir['disk_entries'] = $v_data['disk_entries'];
    $p_central_dir['offset'] = $v_data['offset'];
    $p_central_dir['size'] = $v_data['size'];
    $p_central_dir['disk'] = $v_data['disk'];
    $p_central_dir['disk_start'] = $v_data['disk_start'];

    return $v_result;
  }

  function privDeleteByRule(&$p_result_list, &$p_options)
  {
    $v_result=1;
    $v_list_detail = array();
    if (($v_result=$this->privOpenFd('rb')) != 1)
    {
      return $v_result;
    }

    $v_central_dir = array();
    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
    {
      $this->privCloseFd();
      return $v_result;
    }

    @rewind($this->zip_fd);

    $v_pos_entry = $v_central_dir['offset'];
    @rewind($this->zip_fd);
    if (@fseek($this->zip_fd, $v_pos_entry))
    {
      $this->privCloseFd();

      PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

      return PclZip::errorCode();
    }

    $v_header_list = array();
    $j_start = 0;
    for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++)
    {
      $v_header_list[$v_nb_extracted] = array();
      if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1)
      {
        $this->privCloseFd();
        return $v_result;
      }

      $v_header_list[$v_nb_extracted]['index'] = $i;

      $v_found = false;

      if (   (isset($p_options[PCLZIP_OPT_BY_NAME]))
          && ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {

          for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_found); $j++) {

              if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") {

                  if (   (strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
                      && (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {

                      $v_found = true;
                  }
                  elseif (   (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010)
                          && ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
                      $v_found = true;
                  }
              }
              elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
                  $v_found = true;
              }
          }
      }

      else if (   (isset($p_options[PCLZIP_OPT_BY_EREG]))
               && ($p_options[PCLZIP_OPT_BY_EREG] != "")) {

          if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
              $v_found = true;
          }
      }

      else if (   (isset($p_options[PCLZIP_OPT_BY_PREG]))
               && ($p_options[PCLZIP_OPT_BY_PREG] != "")) {

          if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
              $v_found = true;
          }
      }

      else if (   (isset($p_options[PCLZIP_OPT_BY_INDEX]))
               && ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {

          for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_found); $j++) {

              if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
	              $v_found = true;
              }
              if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
                  $j_start = $j+1;
              }

              if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) {
                  break;
              }
          }
      }
      else {
      	$v_found = true;
      }

      if ($v_found)
      {
        unset($v_header_list[$v_nb_extracted]);
      }
      else
      {
        $v_nb_extracted++;
      }
    }

   if ($v_nb_extracted > 0) {
        $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';

        $v_temp_zip = new PclZip($v_zip_temp_name);

        if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1) {
            $this->privCloseFd();
            return $v_result;
        }

        for ($i=0; $i<sizeof($v_header_list); $i++) {

            @rewind($this->zip_fd);
            if (@fseek($this->zip_fd,  $v_header_list[$i]['offset'])) {
                $this->privCloseFd();
                $v_temp_zip->privCloseFd();
                @unlink($v_zip_temp_name);

                PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

                return PclZip::errorCode();
            }

            $v_local_header = array();
            if (($v_result = $this->privReadFileHeader($v_local_header)) != 1) {
                $this->privCloseFd();
                $v_temp_zip->privCloseFd();
                @unlink($v_zip_temp_name);

                return $v_result;
            }

            if ($this->privCheckFileHeaders($v_local_header,
			                                $v_header_list[$i]) != 1) {
            }
            unset($v_local_header);

            if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1) {
                $this->privCloseFd();
                $v_temp_zip->privCloseFd();
                @unlink($v_zip_temp_name);

                return $v_result;
            }

            if (($v_result = PclZipUtilCopyBlock($this->zip_fd, $v_temp_zip->zip_fd, $v_header_list[$i]['compressed_size'])) != 1) {

                $this->privCloseFd();
                $v_temp_zip->privCloseFd();
                @unlink($v_zip_temp_name);

                return $v_result;
            }
        }

        $v_offset = @ftell($v_temp_zip->zip_fd);

        for ($i=0; $i<sizeof($v_header_list); $i++) {
            if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
                $v_temp_zip->privCloseFd();
                $this->privCloseFd();
                @unlink($v_zip_temp_name);

                return $v_result;
            }

            $v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
        }

        $v_comment = '';
        if (isset($p_options[PCLZIP_OPT_COMMENT])) {
          $v_comment = $p_options[PCLZIP_OPT_COMMENT];
        }

        $v_size = @ftell($v_temp_zip->zip_fd)-$v_offset;

        if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment)) != 1) {
            unset($v_header_list);
            $v_temp_zip->privCloseFd();
            $this->privCloseFd();
            @unlink($v_zip_temp_name);

            return $v_result;
        }

        $v_temp_zip->privCloseFd();
        $this->privCloseFd();

        @unlink($this->zipname);

        PclZipUtilRename($v_zip_temp_name, $this->zipname);

        unset($v_temp_zip);
    }

    else if ($v_central_dir['entries'] != 0) {
        $this->privCloseFd();

        if (($v_result = $this->privOpenFd('wb')) != 1) {
          return $v_result;
        }

        if (($v_result = $this->privWriteCentralHeader(0, 0, 0, '')) != 1) {
          return $v_result;
        }

        $this->privCloseFd();
    }
    return $v_result;
  }

  function privDirCheck($p_dir, $p_is_dir=false)
  {
    $v_result = 1;

    if (($p_is_dir) && (substr($p_dir, -1)=='/'))
    {
      $p_dir = substr($p_dir, 0, strlen($p_dir)-1);
    }

    if ((is_dir($p_dir)) || ($p_dir == ""))
    {
      return 1;
    }

    $p_parent_dir = dirname($p_dir);

    if ($p_parent_dir != $p_dir)
    {
      if ($p_parent_dir != "")
      {
        if (($v_result = $this->privDirCheck($p_parent_dir)) != 1)
        {
          return $v_result;
        }
      }
    }

    if (!@mkdir($p_dir, 0777))
    {
      PclZip::privErrorLog(PCLZIP_ERR_DIR_CREATE_FAIL, "Unable to create directory '$p_dir'");

      return PclZip::errorCode();
    }

    return $v_result;
  }

  function privMerge(&$p_archive_to_add)
  {
    $v_result=1;

    if (!is_file($p_archive_to_add->zipname))
    {
      $v_result = 1;

      return $v_result;
    }

    if (!is_file($this->zipname))
    {
      $v_result = $this->privDuplicate($p_archive_to_add->zipname);
      return $v_result;
    }

    if (($v_result=$this->privOpenFd('rb')) != 1)
    {
      return $v_result;
    }

    $v_central_dir = array();
    if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
    {
      $this->privCloseFd();
      return $v_result;
    }

    @rewind($this->zip_fd);

    if (($v_result=$p_archive_to_add->privOpenFd('rb')) != 1)
    {
      $this->privCloseFd();
      return $v_result;
    }

    $v_central_dir_to_add = array();
    if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1)
    {
      $this->privCloseFd();
      $p_archive_to_add->privCloseFd();

      return $v_result;
    }

    @rewind($p_archive_to_add->zip_fd);

    $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';

    if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0)
    {
      $this->privCloseFd();
      $p_archive_to_add->privCloseFd();

      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');

      return PclZip::errorCode();
    }

    $v_size = $v_central_dir['offset'];
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = fread($this->zip_fd, $v_read_size);
      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    $v_size = $v_central_dir_to_add['offset'];
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = fread($p_archive_to_add->zip_fd, $v_read_size);
      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    $v_offset = @ftell($v_zip_temp_fd);
    $v_size = $v_central_dir['size'];
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = @fread($this->zip_fd, $v_read_size);
      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    $v_size = $v_central_dir_to_add['size'];
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = @fread($p_archive_to_add->zip_fd, $v_read_size);
      @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    $v_comment = $v_central_dir['comment'].' '.$v_central_dir_to_add['comment'];

    $v_size = @ftell($v_zip_temp_fd)-$v_offset;

    $v_swap = $this->zip_fd;
    $this->zip_fd = $v_zip_temp_fd;
    $v_zip_temp_fd = $v_swap;

    if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries']+$v_central_dir_to_add['entries'], $v_size, $v_offset, $v_comment)) != 1)
    {
      $this->privCloseFd();
      $p_archive_to_add->privCloseFd();
      @fclose($v_zip_temp_fd);
      $this->zip_fd = null;

      unset($v_header_list);

      return $v_result;
    }

    $v_swap = $this->zip_fd;
    $this->zip_fd = $v_zip_temp_fd;
    $v_zip_temp_fd = $v_swap;

    $this->privCloseFd();
    $p_archive_to_add->privCloseFd();

    @fclose($v_zip_temp_fd);

    @unlink($this->zipname);

    PclZipUtilRename($v_zip_temp_name, $this->zipname);

    return $v_result;
  }

  function privDuplicate($p_archive_filename)
  {
    $v_result=1;

    if (!is_file($p_archive_filename))
    {
      $v_result = 1;

      return $v_result;
    }

    if (($v_result=$this->privOpenFd('wb')) != 1)
    {
      return $v_result;
    }

    if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0)
    {
      $this->privCloseFd();

      PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive file \''.$p_archive_filename.'\' in binary write mode');

      return PclZip::errorCode();
    }

    $v_size = filesize($p_archive_filename);
    while ($v_size != 0)
    {
      $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
      $v_buffer = fread($v_zip_temp_fd, $v_read_size);
      @fwrite($this->zip_fd, $v_buffer, $v_read_size);
      $v_size -= $v_read_size;
    }

    $this->privCloseFd();

    @fclose($v_zip_temp_fd);

    return $v_result;
  }

  function privErrorLog($p_error_code=0, $p_error_string='')
  {
    if (PCLZIP_ERROR_EXTERNAL == 1) {
      PclError($p_error_code, $p_error_string);
    }
    else {
      $this->error_code = $p_error_code;
      $this->error_string = $p_error_string;
    }
  }

  function privErrorReset()
  {
    if (PCLZIP_ERROR_EXTERNAL == 1) {
      PclErrorReset();
    }
    else {
      $this->error_code = 0;
      $this->error_string = '';
    }
  }

  function privDecrypt($p_encryption_header, &$p_buffer, $p_size, $p_crc)
  {
    $v_result=1;

    $v_pwd = "test";

    $p_buffer = PclZipUtilZipDecrypt($p_buffer, $p_size, $p_encryption_header,
	                                 $p_crc, $v_pwd);

    return $v_result;
  }

  function privDisableMagicQuotes()
  {

    $v_result=1;

    if (   (!function_exists("get_magic_quotes_runtime"))
	    || (!function_exists("set_magic_quotes_runtime"))) {
      return $v_result;
	}

    if ($this->magic_quotes_status != -1) {
      return $v_result;
	}

	$this->magic_quotes_status = @get_magic_quotes_runtime();

	if ($this->magic_quotes_status == 1) {
	  @set_magic_quotes_runtime(0);
	}

    return $v_result;
  }

  function privSwapBackMagicQuotes()
  {
    $v_result=1;

    if (   (!function_exists("get_magic_quotes_runtime"))
	    || (!function_exists("set_magic_quotes_runtime"))) {
      return $v_result;
	}

    if ($this->magic_quotes_status != -1) {
      return $v_result;
	}

	if ($this->magic_quotes_status == 1) {
  	  @set_magic_quotes_runtime($this->magic_quotes_status);
	}

    return $v_result;
  }
  }

  function PclZipUtilPathReduction($p_dir)
  {
    $v_result = "";

    if ($p_dir != "") {
      $v_list = explode("/", $p_dir);

      $v_skip = 0;
      for ($i=sizeof($v_list)-1; $i>=0; $i--) {
        if ($v_list[$i] == ".") {
        }
        else if ($v_list[$i] == "..") {
		  $v_skip++;
        }
        else if ($v_list[$i] == "") {
		  if ($i == 0) {
            $v_result = "/".$v_result;
		    if ($v_skip > 0) {
		        $v_result = $p_dir;
                $v_skip = 0;
		    }
		  }
		  else if ($i == (sizeof($v_list)-1)) {
            $v_result = $v_list[$i];
		  }
        }
        else {
		  if ($v_skip > 0) {
		    $v_skip--;
		  }
		  else {
            $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:"");
		  }
        }
      }

      if ($v_skip > 0) {
        while ($v_skip > 0) {
            $v_result = '../'.$v_result;
            $v_skip--;
        }
      }
    }

    return $v_result;
  }

  function PclZipUtilPathInclusion($p_dir, $p_path)
  {
    $v_result = 1;

    if (   ($p_dir == '.')
        || ((strlen($p_dir) >=2) && (substr($p_dir, 0, 2) == './'))) {
      $p_dir = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_dir, 1);
    }
    if (   ($p_path == '.')
        || ((strlen($p_path) >=2) && (substr($p_path, 0, 2) == './'))) {
      $p_path = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_path, 1);
    }

    $v_list_dir = explode("/", $p_dir);
    $v_list_dir_size = sizeof($v_list_dir);
    $v_list_path = explode("/", $p_path);
    $v_list_path_size = sizeof($v_list_path);

    $i = 0;
    $j = 0;
    while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) {

      if ($v_list_dir[$i] == '') {
        $i++;
        continue;
      }
      if ($v_list_path[$j] == '') {
        $j++;
        continue;
      }

      if (($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != ''))  {
        $v_result = 0;
      }

      $i++;
      $j++;
    }

    if ($v_result) {
      while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) $j++;
      while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) $i++;

      if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) {
        $v_result = 2;
      }
      else if ($i < $v_list_dir_size) {
        $v_result = 0;
      }
    }

    return $v_result;
  }
 
  function PclZipUtilCopyBlock($p_src, $p_dest, $p_size, $p_mode=0)
  {
    $v_result = 1;

    if ($p_mode==0)
    {
      while ($p_size != 0)
      {
        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
        $v_buffer = @fread($p_src, $v_read_size);
        @fwrite($p_dest, $v_buffer, $v_read_size);
        $p_size -= $v_read_size;
      }
    }
    else if ($p_mode==1)
    {
      while ($p_size != 0)
      {
        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
        $v_buffer = @gzread($p_src, $v_read_size);
        @fwrite($p_dest, $v_buffer, $v_read_size);
        $p_size -= $v_read_size;
      }
    }
    else if ($p_mode==2)
    {
      while ($p_size != 0)
      {
        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
        $v_buffer = @fread($p_src, $v_read_size);
        @gzwrite($p_dest, $v_buffer, $v_read_size);
        $p_size -= $v_read_size;
      }
    }
    else if ($p_mode==3)
    {
      while ($p_size != 0)
      {
        $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
        $v_buffer = @gzread($p_src, $v_read_size);
        @gzwrite($p_dest, $v_buffer, $v_read_size);
        $p_size -= $v_read_size;
      }
    }

    return $v_result;
  }

  function PclZipUtilRename($p_src, $p_dest)
  {
    $v_result = 1;

    if (!@rename($p_src, $p_dest)) {
      if (!@copy($p_src, $p_dest)) {
        $v_result = 0;
      }
      else if (!@unlink($p_src)) {
        $v_result = 0;
      }
    }

    return $v_result;
  }

  function PclZipUtilOptionText($p_option)
  {

    $v_list = get_defined_constants();
    for (reset($v_list); $v_key = key($v_list); next($v_list)) {
	  $v_prefix = substr($v_key, 0, 10);
	  if ((   ($v_prefix == 'PCLZIP_OPT')
         || ($v_prefix == 'PCLZIP_CB_')
         || ($v_prefix == 'PCLZIP_ATT'))
	      && ($v_list[$v_key] == $p_option)) {
          return $v_key;
	    }
    }

    $v_result = 'Unknown';

    return $v_result;
  }

  function PclZipUtilTranslateWinPath($p_path, $p_remove_disk_letter=true)
  {
    if (stristr(php_uname(), 'windows')) {
      if (($p_remove_disk_letter) && (($v_position = strpos($p_path, ':')) != false)) {
          $p_path = substr($p_path, $v_position+1);
      }
      if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0,1) == '\\')) {
          $p_path = strtr($p_path, '\\', '/');
      }
    }
    return $p_path;
  }
?>