distribution/source/pack/zip/zip.php

<?php

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 PclZip
{
    var $zipname = '';
    var $zip_fd = 0;
    var $error_code = 1;
    var $error_string = '';
    var $magic_quotes_status;

    function __construct($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, $v_options,
                    array(PCLZIP_OPT_REMOVE_PATH => 'optional',
                        PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                        PCLZIP_OPT_ADD_PATH => 'optional',
                        PCLZIP_CB_PRE_ADD => 'optional',
                        PCLZIP_CB_POST_ADD => 'optional',
                        PCLZIP_OPT_NO_COMPRESSION => 'optional',
                        PCLZIP_OPT_COMMENT => 'optional',
                        PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                        PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                        PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                    ));
                if ($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;
                }
            }
        }
        $this->privOptionDefaultThreshold($v_options);
        $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;
                } else {
                }
            }
        }
        $v_supported_attributes
            = array(PCLZIP_ATT_FILE_NAME => 'mandatory'
        , PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional'
        , PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional'
        , PCLZIP_ATT_FILE_MTIME => 'optional'
        , PCLZIP_ATT_FILE_CONTENT => 'optional'
        , PCLZIP_ATT_FILE_COMMENT => 'optional'
        );
        foreach ($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, $v_options,
                    array(PCLZIP_OPT_REMOVE_PATH => 'optional',
                        PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                        PCLZIP_OPT_ADD_PATH => 'optional',
                        PCLZIP_CB_PRE_ADD => 'optional',
                        PCLZIP_CB_POST_ADD => 'optional',
                        PCLZIP_OPT_NO_COMPRESSION => 'optional',
                        PCLZIP_OPT_COMMENT => 'optional',
                        PCLZIP_OPT_ADD_COMMENT => 'optional',
                        PCLZIP_OPT_PREPEND_COMMENT => 'optional',
                        PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                        PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                        PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                    ));
                if ($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;
                }
            }
        }
        $this->privOptionDefaultThreshold($v_options);
        $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, $v_options,
                    array(PCLZIP_OPT_PATH => 'optional',
                        PCLZIP_OPT_REMOVE_PATH => 'optional',
                        PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                        PCLZIP_OPT_ADD_PATH => 'optional',
                        PCLZIP_CB_PRE_EXTRACT => 'optional',
                        PCLZIP_CB_POST_EXTRACT => 'optional',
                        PCLZIP_OPT_SET_CHMOD => 'optional',
                        PCLZIP_OPT_BY_NAME => 'optional',
                        PCLZIP_OPT_BY_EREG => 'optional',
                        PCLZIP_OPT_BY_PREG => 'optional',
                        PCLZIP_OPT_BY_INDEX => 'optional',
                        PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
                        PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional',
                        PCLZIP_OPT_REPLACE_NEWER => 'optional'
                    , PCLZIP_OPT_STOP_ON_ERROR => 'optional'
                    , PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional',
                        PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                        PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                        PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                    ));
                if ($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;
                }
            }
        }
        $this->privOptionDefaultThreshold($v_options);
        $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, $v_options,
                    array(PCLZIP_OPT_PATH => 'optional',
                        PCLZIP_OPT_REMOVE_PATH => 'optional',
                        PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                        PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
                        PCLZIP_OPT_ADD_PATH => 'optional',
                        PCLZIP_CB_PRE_EXTRACT => 'optional',
                        PCLZIP_CB_POST_EXTRACT => 'optional',
                        PCLZIP_OPT_SET_CHMOD => 'optional',
                        PCLZIP_OPT_REPLACE_NEWER => 'optional'
                    , PCLZIP_OPT_STOP_ON_ERROR => 'optional'
                    , PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional',
                        PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                        PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                        PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                    ));
                if ($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 {
                }
            } 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];
        $this->privOptionDefaultThreshold($v_options);
        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);
                    $i++;
                    break;
                case PCLZIP_OPT_TEMP_FILE_THRESHOLD :
                    if (($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');
        $v_memory_limit = intval($v_memory_limit);
        $last = strtolower(substr($v_memory_limit, -1));
        if ($last == 'g')
            $v_memory_limit = intval($v_memory_limit) * 1073741824;
        if ($last == 'm')
            $v_memory_limit = intval($v_memory_limit) * 1048576;
        if ($last == 'k')
            $v_memory_limit = intval($v_memory_limit) * 1024;
        $p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor(intval($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, $p_entry) != 1) {
        }
        if ($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);
            $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 '" . $p_entry['filename'] . "' exists "
                                . "and option PCLZIP_OPT_REPLACE_NEWER is not selected");
                            return PclZip::errorCode();
                        }
                    }
                } else {
                }
            } else {
                if ((($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) {
                        PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION, 'File \'' . $p_entry['filename'] . '\' is encrypted. Encrypted files are not supported.');
                        return PclZip::errorCode();
                    }
                    if ((!isset($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_entry['size'])))) {
                        $v_result = $this->privExtractFileUsingTempFile($p_entry, $p_options);
                        if ($v_result < PCLZIP_ERR_NO_ERROR) {
                            return $v_result;
                        }
                    } 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);
            $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 privExtractFileUsingTempFile(&$p_entry, &$p_options)
    {
        $v_result = 1;
        $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.gz';
        if (($v_dest_file = @fopen($v_gzip_temp_name, "wb")) == 0) {
            fclose($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();
        }
        $v_binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($p_entry['compression']), Chr(0x00), time(), Chr(0x00), Chr(3));
        @fwrite($v_dest_file, $v_binary_data, 10);
        $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;
        }
        $v_binary_data = pack('VV', $p_entry['crc'], $p_entry['size']);
        @fwrite($v_dest_file, $v_binary_data, 8);
        @fclose($v_dest_file);
        if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
            $p_entry['status'] = "write_error";
            return $v_result;
        }
        if (($v_src_file = @gzopen($v_gzip_temp_name, 'rb')) == 0) {
            @fclose($v_dest_file);
            $p_entry['status'] = "read_error";
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \'' . $v_gzip_temp_name . '\' in binary read mode');
            return PclZip::errorCode();
        }
        $v_size = $p_entry['size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @gzread($v_src_file, $v_read_size);
            @fwrite($v_dest_file, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_dest_file);
        @gzclose($v_src_file);
        @unlink($v_gzip_temp_name);
        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);
            $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);
            $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, &$p_options)
    {
        $v_result = 1;
        $v_header = array();
        if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
            return $v_result;
        }
        if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
        }
        if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            $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['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($v_data)) === FALSE) {
                    }
                }
            } else {
            }
        }
        if ($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);
            $v_local_header['content'] = $p_string;
            $p_string = '';
            $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT, $v_local_header);
            $p_string = $v_local_header['content'];
            unset($v_local_header['content']);
            if ($v_result == 2) {
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
        }
        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) {
            $v_maximum_size = 65557;
            if ($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 & 0xFFFFFF) << 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_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 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 {
                }
            } 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;
}

?>