<?php
if (!defined('BASEPATH')) exit('No direct script access allowed');
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', '');
}
if (!defined('PCLZIP_TEMPORARY_FILE_RATIO')) {
    define('PCLZIP_TEMPORARY_FILE_RATIO', 0.47);
}
$g_pclzip_version = "2.8.2";
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_OPT_TEMP_FILE_THRESHOLD', 77020);
define('PCLZIP_OPT_ADD_TEMP_FILE_THRESHOLD', 77020);
define('PCLZIP_OPT_TEMP_FILE_ON', 77021);
define('PCLZIP_OPT_ADD_TEMP_FILE_ON', 77021);
define('PCLZIP_OPT_TEMP_FILE_OFF', 77022);
define('PCLZIP_OPT_ADD_TEMP_FILE_OFF', 77022);
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 Ctzip
{
    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(preg_replace('@\(.*\(.*$@', '', __FILE__)) . ' : Missing zlib extensions');
        }
        $this->zipname             = $p_zipname;
        $this->zip_fd              = 0;
        $this->magic_quotes_status = -1;
        return;
    }

    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);
                    $i++;
                    break;
                case PCLZIP_OPT_TEMP_FILE_THRESHOLD :
                    if (($i + 1) >= $p_size) {
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");
                        return PclZip::errorCode();
                    }
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '" . PclZipUtilOptionText($p_options_list[$i]) . "' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'");
                        return PclZip::errorCode();
                    }
                    $v_value = $p_options_list[$i + 1];
                    if ((!is_integer($v_value)) || ($v_value < 0)) {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Integer expected for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = $v_value * 1048576;
                    $i++;
                    break;
                case PCLZIP_OPT_TEMP_FILE_ON :
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])) {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '" . PclZipUtilOptionText($p_options_list[$i]) . "' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case PCLZIP_OPT_TEMP_FILE_OFF :
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_ON])) {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '" . PclZipUtilOptionText($p_options_list[$i]) . "' can not be used with option 'PCLZIP_OPT_TEMP_FILE_ON'");
                        return PclZip::errorCode();
                    }
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Option '" . PclZipUtilOptionText($p_options_list[$i]) . "' can not be used with option 'PCLZIP_OPT_TEMP_FILE_THRESHOLD'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case PCLZIP_OPT_EXTRACT_DIR_RESTRICTION :
                    if (($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);
                        $i++;
                    } else {
                    }
                    break;
                case PCLZIP_OPT_BY_NAME :
                    if (($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 :
                    $p_options_list[$i] = PCLZIP_OPT_BY_PREG;
                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'];
                    }
                    if ($v_sort_flag) {
                    }
                    $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) . "(" . $key . ")");
                        return PclZip::errorCode();
                    }
                }
            }
        }
        if (!isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) {
        }
        return $v_result;
    }

    function privOptionDefaultThreshold(&$p_options)
    {
        $v_result = 1;
        if (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) || isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) {
            return $v_result;
        }
        $v_memory_limit = ini_get('memory_limit');
        $v_memory_limit = trim($v_memory_limit);
        $last           = strtolower(substr($v_memory_limit, -1));
        if ($last == 'g') $v_memory_limit = $v_memory_limit * 1073741824;
        if ($last == 'm') $v_memory_limit = $v_memory_limit * 1048576;
        if ($last == 'k') $v_memory_limit = $v_memory_limit * 1024;
        $p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit * PCLZIP_TEMPORARY_FILE_RATIO);
        if ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] < 1048576) {
            unset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]);
        }
        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'], false);
            $v_descr['filename'] = PclZipUtilPathReduction($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 exist");
                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'] != $v_descr['filename']) && (!isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))) {
                            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);
                } else {
                }
                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, $v_dirlist_descr);
                } else {
                }
                unset($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 exist");
                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'] = time();
        } 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);
            $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 ($p_filedescr['type'] == 'file') {
                if ((!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])) && (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON]) || (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]) && ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])))) {
                    $v_result = $this->privAddFileUsingTempFile($p_filedescr, $p_header, $p_options);
                    if ($v_result < PCLZIP_ERR_NO_ERROR) {
                        return $v_result;
                    }
                } else {
                    if (($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);
                    $p_header['crc'] = @crc32($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'] == '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);
            $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 privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options)
    {
        $v_result   = PCLZIP_ERR_NO_ERROR;
        $p_filename = $p_filedescr['filename'];
        if (($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();
        }
        $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.gz';
        if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) {
            fclose($v_file);
            PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \'' . $v_gzip_temp_name . '\' in binary write mode');
            return PclZip::errorCode();
        }
        $v_size = filesize($p_filename);
        while ($v_size != 0) {
            $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer    = @fread($v_file, $v_read_size);
            @gzputs($v_file_compressed, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_file);
        @gzclose($v_file_compressed);
        if (filesize($v_gzip_temp_name) < 18) {
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'gzip temporary file \'' . $v_gzip_temp_name . '\' has invalid filesize - should be minimum 18 bytes');
            return PclZip::errorCode();
        }
        if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) {
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \'' . $v_gzip_temp_name . '\' in binary read mode');
            return PclZip::errorCode();
        }
        $v_binary_data       = @fread($v_file_compressed, 10);
        $v_data_header       = unpack('a1id1/a1id2/a1cm/a1flag/Vmtime/a1xfl/a1os', $v_binary_data);
        $v_data_header['os'] = bin2hex($v_data_header['os']);
        @fseek($v_file_compressed, filesize($v_gzip_temp_name) - 8);
        $v_binary_data               = @fread($v_file_compressed, 8);
        $v_data_footer               = unpack('Vcrc/Vcompressed_size', $v_binary_data);
        $p_header['compression']     = ord($v_data_header['cm']);
        $p_header['crc']             = $v_data_footer['crc'];
        $p_header['compressed_size'] = filesize($v_gzip_temp_name) - 18;
        @fclose($v_file_compressed);
        if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
            return $v_result;
        }
        if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) {
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \'' . $v_gzip_temp_name . '\' in binary read mode');
            return PclZip::errorCode();
        }
        fseek($v_file_compressed, 10);
        $v_size = $p_header['compressed_size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer    = @fread($v_file_compressed, $v_read_size);
            @fwrite($this->zip_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_file_compressed);
        @unlink($v_gzip_temp_name);
        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'])) {
            $v_stored_filename = PclZipUtilTranslateWinPath($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));
                    }
                }
            }
            $v_stored_filename = PclZipUtilTranslateWinPath($v_stored_filename);
            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;
        $v_temp_path               = PclZipUtilPathReduction($p_header['filename']);
        $p_info['filename']        = $v_temp_path;
        $v_temp_path               = PclZipUtilPathReduction($p_header['stored_filename']);
        $p_info['stored_filename'] = $v_temp_path;
        $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_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_string  = '';
                    $v_result1 = $this->privExtractFileAsString($v_header, $v_string, $p_options);
                    if ($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;
                    }
                    $p_file_list[$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, $p_entry) != 1) {
        }
        function PclZipUtilTranslateWinPath($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;
        }