/source/class/class_pclzip.php

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<?php
// +----------------------------------------------------------------------
// | Copyright (C) 2008-2012 OSDU.Net    www.osdu.net    admin@osdu.net
// +----------------------------------------------------------------------
// | Licensed: ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author:   ���ֱߵĻ��� QQ:858908467 E-mail:858908467@qq.com
// +----------------------------------------------------------------------
/**
+------------------------------------------------------------------------------
 * PhpConcept Library - Zip Module 2.8.2
+------------------------------------------------------------------------------
 * Presentation : PclZip is a PHP library that manage ZIP archives.
+------------------------------------------------------------------------------
 * Description : See readme.txt and http://www.phpconcept.net
+------------------------------------------------------------------------------
 **/
if(!defined('IN_DISCUZ')) {
	exit('Access Denied');
}

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 PclZip($p_zipname) {
		if (!function_exists('gzopen')) {
			die('Abort ' . basename(__FILE__) . ' : Missing zlib extensions');
		}
		$this->zipname = $p_zipname;
		$this->zip_fd = 0;
		$this->magic_quotes_status = -1;
		return;
	}

	function create($p_filelist) {
		$v_result = 1;
		$this->privErrorReset();
		$v_options = array();
		$v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;
		$v_size = func_num_args();
		if ($v_size > 1) {
			$v_arg_list = func_get_args();
			array_shift($v_arg_list);
			$v_size--;
			if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
				$v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
					array(PCLZIP_OPT_REMOVE_PATH => 'optional',
						PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
						PCLZIP_OPT_ADD_PATH => 'optional',
						PCLZIP_CB_PRE_ADD => 'optional',
						PCLZIP_CB_POST_ADD => 'optional',
						PCLZIP_OPT_NO_COMPRESSION => 'optional',
						PCLZIP_OPT_COMMENT => 'optional',
						PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
						PCLZIP_OPT_TEMP_FILE_ON => 'optional',
						PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
					));
				if ($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');
		$v_memory_limit = trim($v_memory_limit);
		$last = strtolower(substr($v_memory_limit, -1));
		if ($last == 'g')
			$v_memory_limit = $v_memory_limit * 1073741824;
		if ($last == 'm')
			$v_memory_limit = $v_memory_limit * 1048576;
		if ($last == 'k')
			$v_memory_limit = $v_memory_limit * 1024;
		$p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit * PCLZIP_TEMPORARY_FILE_RATIO);
		if ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] < 1048576) {
			unset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]);
		}
		return $v_result;
	}

	function privFileDescrParseAtt(&$p_file_list, &$p_filedescr, $v_options, $v_requested_options = false) {
		$v_result = 1;
		foreach ($p_file_list as $v_key => $v_value) {
			if (!isset($v_requested_options[$v_key])) {
				PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file attribute '" . $v_key . "' for this file");
				return PclZip::errorCode();
			}
			switch ($v_key) {
				case PCLZIP_ATT_FILE_NAME :
					if (!is_string($v_value)) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type " . gettype($v_value) . ". String expected for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					$p_filedescr['filename'] = PclZipUtilPathReduction($v_value);
					if ($p_filedescr['filename'] == '') {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty filename for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					break;
				case PCLZIP_ATT_FILE_NEW_SHORT_NAME :
					if (!is_string($v_value)) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type " . gettype($v_value) . ". String expected for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					$p_filedescr['new_short_name'] = PclZipUtilPathReduction($v_value);
					if ($p_filedescr['new_short_name'] == '') {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty short filename for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					break;
				case PCLZIP_ATT_FILE_NEW_FULL_NAME :
					if (!is_string($v_value)) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type " . gettype($v_value) . ". String expected for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					$p_filedescr['new_full_name'] = PclZipUtilPathReduction($v_value);
					if ($p_filedescr['new_full_name'] == '') {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid empty full filename for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					break;
				case PCLZIP_ATT_FILE_COMMENT :
					if (!is_string($v_value)) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type " . gettype($v_value) . ". String expected for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					$p_filedescr['comment'] = $v_value;
					break;
				case PCLZIP_ATT_FILE_MTIME :
					if (!is_integer($v_value)) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE, "Invalid type " . gettype($v_value) . ". Integer expected for attribute '" . PclZipUtilOptionText($v_key) . "'");
						return PclZip::errorCode();
					}
					$p_filedescr['mtime'] = $v_value;
					break;
				case PCLZIP_ATT_FILE_CONTENT :
					$p_filedescr['content'] = $v_value;
					break;
				default :
					PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
						"Unknown parameter '" . $v_key . "'");
					return PclZip::errorCode();
			}
			if ($v_requested_options !== false) {
				for ($key = reset($v_requested_options); $key = key($v_requested_options); $key = next($v_requested_options)) {
					if ($v_requested_options[$key] == 'mandatory') {
						if (!isset($p_file_list[$key])) {
							PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter " . PclZipUtilOptionText($key) . "(" . $key . ")");
							return PclZip::errorCode();
						}
					}
				}
			}
		}
		return $v_result;
	}

	function privFileDescrExpand(&$p_filedescr_list, &$p_options) {
		$v_result = 1;
		$v_result_list = array();
		for ($i = 0; $i < sizeof($p_filedescr_list); $i++) {
			$v_descr = $p_filedescr_list[$i];
			$v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename'], false);
			$v_descr['filename'] = PclZipUtilPathReduction($v_descr['filename']);
			if (file_exists($v_descr['filename'])) {
				if (@is_file($v_descr['filename'])) {
					$v_descr['type'] = 'file';
				} else if (@is_dir($v_descr['filename'])) {
					$v_descr['type'] = 'folder';
				} else if (@is_link($v_descr['filename'])) {
					continue;
				} else {
					continue;
				}
			} else if (isset($v_descr['content'])) {
				$v_descr['type'] = 'virtual_file';
			} else {
				PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '" . $v_descr['filename'] . "' does not exist");
				return PclZip::errorCode();
			}
			$this->privCalculateStoredFilename($v_descr, $p_options);
			$v_result_list[sizeof($v_result_list)] = $v_descr;
			if ($v_descr['type'] == 'folder') {
				$v_dirlist_descr = array();
				$v_dirlist_nb = 0;
				if ($v_folder_handler = @opendir($v_descr['filename'])) {
					while (($v_item_handler = @readdir($v_folder_handler)) !== false) {
						if (($v_item_handler == '.') || ($v_item_handler == '..')) {
							continue;
						}
						$v_dirlist_descr[$v_dirlist_nb]['filename'] = $v_descr['filename'] . '/' . $v_item_handler;
						if (($v_descr['stored_filename'] != $v_descr['filename'])
							&& (!isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))
						) {
							if ($v_descr['stored_filename'] != '') {
								$v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_descr['stored_filename'] . '/' . $v_item_handler;
							} else {
								$v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_item_handler;
							}
						}
						$v_dirlist_nb++;
					}
					@closedir($v_folder_handler);
				} else {
				}
				if ($v_dirlist_nb != 0) {
					if (($v_result = $this->privFileDescrExpand($v_dirlist_descr, $p_options)) != 1) {
						return $v_result;
					}
					$v_result_list = array_merge($v_result_list, $v_dirlist_descr);
				} else {
				}
				unset($v_dirlist_descr);
			}
		}
		$p_filedescr_list = $v_result_list;
		return $v_result;
	}

	function privCreate($p_filedescr_list, &$p_result_list, &$p_options) {
		$v_result = 1;
		$v_list_detail = array();
		$this->privDisableMagicQuotes();
		if (($v_result = $this->privOpenFd('wb')) != 1) {
			return $v_result;
		}
		$v_result = $this->privAddList($p_filedescr_list, $p_result_list, $p_options);
		$this->privCloseFd();
		$this->privSwapBackMagicQuotes();
		return $v_result;
	}

	function privAdd($p_filedescr_list, &$p_result_list, &$p_options) {
		$v_result = 1;
		$v_list_detail = array();
		if ((!is_file($this->zipname)) || (filesize($this->zipname) == 0)) {
			$v_result = $this->privCreate($p_filedescr_list, $p_result_list, $p_options);
			return $v_result;
		}
		$this->privDisableMagicQuotes();
		if (($v_result = $this->privOpenFd('rb')) != 1) {
			$this->privSwapBackMagicQuotes();
			return $v_result;
		}
		$v_central_dir = array();
		if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
			$this->privCloseFd();
			$this->privSwapBackMagicQuotes();
			return $v_result;
		}
		@rewind($this->zip_fd);
		$v_zip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.tmp';
		if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
			$this->privCloseFd();
			$this->privSwapBackMagicQuotes();
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \'' . $v_zip_temp_name . '\' in binary write mode');
			return PclZip::errorCode();
		}
		$v_size = $v_central_dir['offset'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = fread($this->zip_fd, $v_read_size);
			@fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}
		$v_swap = $this->zip_fd;
		$this->zip_fd = $v_zip_temp_fd;
		$v_zip_temp_fd = $v_swap;
		$v_header_list = array();
		if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1) {
			fclose($v_zip_temp_fd);
			$this->privCloseFd();
			@unlink($v_zip_temp_name);
			$this->privSwapBackMagicQuotes();
			return $v_result;
		}
		$v_offset = @ftell($this->zip_fd);
		$v_size = $v_central_dir['size'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($v_zip_temp_fd, $v_read_size);
			@fwrite($this->zip_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}
		for ($i = 0, $v_count = 0; $i < sizeof($v_header_list); $i++) {
			if ($v_header_list[$i]['status'] == 'ok') {
				if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
					fclose($v_zip_temp_fd);
					$this->privCloseFd();
					@unlink($v_zip_temp_name);
					$this->privSwapBackMagicQuotes();
					return $v_result;
				}
				$v_count++;
			}
			$this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
		}
		$v_comment = $v_central_dir['comment'];
		if (isset($p_options[PCLZIP_OPT_COMMENT])) {
			$v_comment = $p_options[PCLZIP_OPT_COMMENT];
		}
		if (isset($p_options[PCLZIP_OPT_ADD_COMMENT])) {
			$v_comment = $v_comment . $p_options[PCLZIP_OPT_ADD_COMMENT];
		}
		if (isset($p_options[PCLZIP_OPT_PREPEND_COMMENT])) {
			$v_comment = $p_options[PCLZIP_OPT_PREPEND_COMMENT] . $v_comment;
		}
		$v_size = @ftell($this->zip_fd) - $v_offset;
		if (($v_result = $this->privWriteCentralHeader($v_count + $v_central_dir['entries'], $v_size, $v_offset, $v_comment)) != 1) {
			unset($v_header_list);
			$this->privSwapBackMagicQuotes();
			return $v_result;
		}
		$v_swap = $this->zip_fd;
		$this->zip_fd = $v_zip_temp_fd;
		$v_zip_temp_fd = $v_swap;
		$this->privCloseFd();
		@fclose($v_zip_temp_fd);
		$this->privSwapBackMagicQuotes();
		@unlink($this->zipname);
		PclZipUtilRename($v_zip_temp_name, $this->zipname);
		return $v_result;
	}

	function privOpenFd($p_mode) {
		$v_result = 1;
		if ($this->zip_fd != 0) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Zip file \'' . $this->zipname . '\' already open');
			return PclZip::errorCode();
		}
		if (($this->zip_fd = @fopen($this->zipname, $p_mode)) == 0) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \'' . $this->zipname . '\' in ' . $p_mode . ' mode');
			return PclZip::errorCode();
		}
		return $v_result;
	}

	function privCloseFd() {
		$v_result = 1;
		if ($this->zip_fd != 0)
			@fclose($this->zip_fd);
		$this->zip_fd = 0;
		return $v_result;
	}

	function privAddList($p_filedescr_list, &$p_result_list, &$p_options) {
		$v_result = 1;
		$v_header_list = array();
		if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1) {
			return $v_result;
		}
		$v_offset = @ftell($this->zip_fd);
		for ($i = 0, $v_count = 0; $i < sizeof($v_header_list); $i++) {
			if ($v_header_list[$i]['status'] == 'ok') {
				if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
					return $v_result;
				}
				$v_count++;
			}
			$this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
		}
		$v_comment = '';
		if (isset($p_options[PCLZIP_OPT_COMMENT])) {
			$v_comment = $p_options[PCLZIP_OPT_COMMENT];
		}
		$v_size = @ftell($this->zip_fd) - $v_offset;
		if (($v_result = $this->privWriteCentralHeader($v_count, $v_size, $v_offset, $v_comment)) != 1) {
			unset($v_header_list);
			return $v_result;
		}
		return $v_result;
	}

	function privAddFileList($p_filedescr_list, &$p_result_list, &$p_options) {
		$v_result = 1;
		$v_header = array();
		$v_nb = sizeof($p_result_list);
		for ($j = 0; ($j < sizeof($p_filedescr_list)) && ($v_result == 1); $j++) {
			$p_filedescr_list[$j]['filename']
				= PclZipUtilTranslateWinPath($p_filedescr_list[$j]['filename'], false);
			if ($p_filedescr_list[$j]['filename'] == "") {
				continue;
			}
			if (($p_filedescr_list[$j]['type'] != 'virtual_file')
				&& (!file_exists($p_filedescr_list[$j]['filename']))
			) {
				PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '" . $p_filedescr_list[$j]['filename'] . "' does not exist");
				return PclZip::errorCode();
			}
			if (($p_filedescr_list[$j]['type'] == 'file')
				|| ($p_filedescr_list[$j]['type'] == 'virtual_file')
				|| (($p_filedescr_list[$j]['type'] == 'folder')
					&& (!isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])
						|| !$p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))
			) {
				$v_result = $this->privAddFile($p_filedescr_list[$j], $v_header,
					$p_options);
				if ($v_result != 1) {
					return $v_result;
				}
				$p_result_list[$v_nb++] = $v_header;
			}
		}
		return $v_result;
	}

	function privAddFile($p_filedescr, &$p_header, &$p_options) {
		$v_result = 1;
		$p_filename = $p_filedescr['filename'];
		if ($p_filename == "") {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file list parameter (invalid or empty list)");
			return PclZip::errorCode();
		}
		clearstatcache();
		$p_header['version'] = 20;
		$p_header['version_extracted'] = 10;
		$p_header['flag'] = 0;
		$p_header['compression'] = 0;
		$p_header['crc'] = 0;
		$p_header['compressed_size'] = 0;
		$p_header['filename_len'] = strlen($p_filename);
		$p_header['extra_len'] = 0;
		$p_header['disk'] = 0;
		$p_header['internal'] = 0;
		$p_header['offset'] = 0;
		$p_header['filename'] = $p_filename;
		$p_header['stored_filename'] = $p_filedescr['stored_filename'];
		$p_header['extra'] = '';
		$p_header['status'] = 'ok';
		$p_header['index'] = -1;
		if ($p_filedescr['type'] == 'file') {
			$p_header['external'] = 0x00000000;
			$p_header['size'] = filesize($p_filename);
		} else if ($p_filedescr['type'] == 'folder') {
			$p_header['external'] = 0x00000010;
			$p_header['mtime'] = filemtime($p_filename);
			$p_header['size'] = filesize($p_filename);
		} else if ($p_filedescr['type'] == 'virtual_file') {
			$p_header['external'] = 0x00000000;
			$p_header['size'] = strlen($p_filedescr['content']);
		}
		if (isset($p_filedescr['mtime'])) {
			$p_header['mtime'] = $p_filedescr['mtime'];
		} else if ($p_filedescr['type'] == 'virtual_file') {
			$p_header['mtime'] = time();
		} else {
			$p_header['mtime'] = filemtime($p_filename);
		}
		if (isset($p_filedescr['comment'])) {
			$p_header['comment_len'] = strlen($p_filedescr['comment']);
			$p_header['comment'] = $p_filedescr['comment'];
		} else {
			$p_header['comment_len'] = 0;
			$p_header['comment'] = '';
		}
		if (isset($p_options[PCLZIP_CB_PRE_ADD])) {
			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_header, $v_local_header);
			$v_result = $p_options[PCLZIP_CB_PRE_ADD](PCLZIP_CB_PRE_ADD, $v_local_header);
			if ($v_result == 0) {
				$p_header['status'] = "skipped";
				$v_result = 1;
			}
			if ($p_header['stored_filename'] != $v_local_header['stored_filename']) {
				$p_header['stored_filename'] = PclZipUtilPathReduction($v_local_header['stored_filename']);
			}
		}
		if ($p_header['stored_filename'] == "") {
			$p_header['status'] = "filtered";
		}
		if (strlen($p_header['stored_filename']) > 0xFF) {
			$p_header['status'] = 'filename_too_long';
		}
		if ($p_header['status'] == 'ok') {
			if ($p_filedescr['type'] == 'file') {
				if ((!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF]))
					&& (isset($p_options[PCLZIP_OPT_TEMP_FILE_ON])
						|| (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
							&& ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])))
				) {
					$v_result = $this->privAddFileUsingTempFile($p_filedescr, $p_header, $p_options);
					if ($v_result < PCLZIP_ERR_NO_ERROR) {
						return $v_result;
					}
				} else {
					if (($v_file = @fopen($p_filename, "rb")) == 0) {
						PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
						return PclZip::errorCode();
					}
					$v_content = @fread($v_file, $p_header['size']);
					@fclose($v_file);
					$p_header['crc'] = @crc32($v_content);
					if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) {
						$p_header['compressed_size'] = $p_header['size'];
						$p_header['compression'] = 0;
					} else {
						$v_content = @gzdeflate($v_content);
						$p_header['compressed_size'] = strlen($v_content);
						$p_header['compression'] = 8;
					}
					if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
						@fclose($v_file);
						return $v_result;
					}
					@fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
				}
			} else if ($p_filedescr['type'] == 'virtual_file') {
				$v_content = $p_filedescr['content'];
				$p_header['crc'] = @crc32($v_content);
				if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) {
					$p_header['compressed_size'] = $p_header['size'];
					$p_header['compression'] = 0;
				} else {
					$v_content = @gzdeflate($v_content);
					$p_header['compressed_size'] = strlen($v_content);
					$p_header['compression'] = 8;
				}
				if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
					@fclose($v_file);
					return $v_result;
				}
				@fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
			} else if ($p_filedescr['type'] == 'folder') {
				if (@substr($p_header['stored_filename'], -1) != '/') {
					$p_header['stored_filename'] .= '/';
				}
				$p_header['size'] = 0;
				$p_header['external'] = 0x00000010;
				if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
					return $v_result;
				}
			}
		}
		if (isset($p_options[PCLZIP_CB_POST_ADD])) {
			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_header, $v_local_header);
			$v_result = $p_options[PCLZIP_CB_POST_ADD](PCLZIP_CB_POST_ADD, $v_local_header);
			if ($v_result == 0) {
				$v_result = 1;
			}
		}
		return $v_result;
	}

	function privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options) {
		$v_result = PCLZIP_ERR_NO_ERROR;
		$p_filename = $p_filedescr['filename'];
		if (($v_file = @fopen($p_filename, "rb")) == 0) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
			return PclZip::errorCode();
		}
		$v_gzip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.gz';
		if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) {
			fclose($v_file);
			PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \'' . $v_gzip_temp_name . '\' in binary write mode');
			return PclZip::errorCode();
		}
		$v_size = filesize($p_filename);
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($v_file, $v_read_size);
			@gzputs($v_file_compressed, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}
		@fclose($v_file);
		@gzclose($v_file_compressed);
		if (filesize($v_gzip_temp_name) < 18) {
			PclZip::privErrorLog(PCLZIP_…