燕之庐网站建设 - 优质网站设计公司

Archive for the ‘php’ Category

php

2010/09/03

PHP经典_解密_算法_加密_PHP加密解密内部算法

Tags:

最近学习URL跳转的时候新进三个超好用的PHP加密解密函数,貌似是discuz里的…使用这些加密解密的原因是因为有时自己的URL地址被人获取以后想破解你里面传值的内容就必须知道你的key,没有key,他应该要破了一阵子才能知道你URL里面的内容吧…
闲话少说,先将它们打包成一个文件就叫fun.php吧
<?php
function passport_encrypt($txt, $key) {
srand((double)microtime() * 1000000);
$encrypt_key = md5(rand(0, 32000));
$ctr = 0;
$tmp = ”;
for($i = 0;$i < strlen($txt); $i++) {
$ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;
$tmp .= $encrypt_key[$ctr].($txt[$i] ^ $encrypt_key[$ctr++]);
}
return base64_encode(passport_key($tmp, $key));
}

function passport_decrypt($txt, $key) {
$txt = passport_key(base64_decode($txt), $key);
$tmp = ”;
for($i = 0;$i < strlen($txt); $i++) {
$md5 = $txt[$i];
$tmp .= $txt[++$i] ^ $md5;
}
return $tmp;
}

function passport_key($txt, $encrypt_key) {
$encrypt_key = md5($encrypt_key);
$ctr = 0;
$tmp = ”;
for($i = 0; $i < strlen($txt); $i++) {
$ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;
$tmp .= $txt[$i] ^ $encrypt_key[$ctr++];
}
return $tmp;
}
?>
以下是一些示例…加深对这三个加密解密函数的理解…
//string.php
<?php
include “fun.php”;

$txt = “This is a test”;
$key = “testkey”;
$encrypt = passport_encrypt($txt,$key);
$decrypt = passport_decrypt($encrypt,$key);

echo $txt.”<br><hr>”;
echo $encrypt.”<br><hr>”;
echo $decrypt.”<br><hr>”;
?>
//array.php
<?php
include “fun.php”;

$array = array(
“a” => “1″,
“b” => “2″,
“c” => “3″,
“d” => “4″
);
//serialize产生一个可存储的值,返回一个字符串,unserialize还原
$txt = serialize($array);
$key = “testkey”;
$encrypt = passport_encrypt($txt,$key);
$decrypt = passport_decrypt($encrypt,$key);
$decryptArray = unserialize($decrypt);

echo $txt.”<br><hr>”;
echo $encrypt.”<br><hr>”;
echo $decrypt.”<br><hr>”;
echo $decryptArray.”<br><hr>”;
?>
关键的地方来了…当你要跳转到另外一个网址,但又要保证你的session无误的时候,你需要对session作一个处理.貌似一个公司有一个网站又有一个论坛,两个地方都有注册和登录,但又不想让用户在主页登录后跳转到论坛的时候session失效,即是登录一次跑完整间公司…
那要怎样来处理用户的session呢…
网页都是无状态的,如果要在新的网页中继续使用session,则需要把session从一个地方移到另一个地方,可能有些人已经想到了,我可以通过url传址的方式来调用它….而PHP有个处理session的变量,叫$_SESSION.于是….
将需要注册的session转换成一个数组吧.那么,你可以这样写:
//login.php
<?php
session_start();
include “fun.php”;
….
$_SESSION[“userid”];
$_SESSION[“username”];
$_SESSION[“userpwd”];

header(”Location: http://$domain/process.php?s=”.urlencode(passport_encrypt(serialize($_SESSION),”sessionkey”)));
?>
上例中先用serialize将$_SESSION变成可存储的数据,然后通过passport_encrypt将这个数据加密,加urlencode的原因是因为$_SESSION加密时,有可能会产生像料想不到的编码,所以以防万一…(事实证明非常有效)
处理下先
//process.php
<?php
session_start();
include “fun.php”;
$_SESSION=unserialize(passport_decrypt($_GET["s"],”sessionkey”));
header(”Location: http://$domain/index.php”);
?>
先用$_GET[“s”]获取URL的参数,然后用passport_decrypt将其解密,再用unserialize将其数据还原成原始数据
到了这步处理,你的网页就可能通过header自由跳转啦….
这种方法还涉及到安全性的问题,如果你的url地址在传址的过程中被人家获取的话,那就真的是不好意思了…人家虽然可能破解不了url里边的内容,但人家也可以直接用这个url地址来登录你的一些个人账户啊,邮箱帐户啊甚至银行帐户(当然很少人会这样写,我例外,哈哈)…听起来好怕….但其实你可以在跳转页面作取消session处理….
以下是加强版的process.php
<?php
session_start();
include_once “fun.php”;
$_SESSION=unserialize(passport_decrypt($_GET["s"],”sessionkey”));
if((time()-$_SESSION["TIME"])>30){
header(”Location: http://$domain/ login.php”);
unset($_SESSION["USERNAME"]);
unset($_SESSION["PASSWORD"]);
}
else
header(”Location: http://$domain/ index.php”);
?>
写这个文件之前,你还要在登录那边设置
$_SESSION["TIME"] = time();
设置这个的原因主要是获取两边的时间,如果跳转的时候超过30秒的时候,你就可以让它跳转到login.php登录页面,网速慢的客户就不好意思啦…但这也预防了如果此url被人获取,而这个人又没有在30秒内登录的话,那就不好意思啊,超时重新登录.
$_SESSION["USERNAME"]和$_SESSION["PASSWORD"] 这两个东东就是用户登录时需要输入的用户名和密码了….取消这两个session的原因就是因为如果你的url被人获取了,那个人虽然在超过30秒内跳转到loign.php的页面,但那些传过来的session依然有效,只要将url后缀login.php改为index.php….那他一样登录成功…
感觉废话说了一大堆…不知让不让人明白一点…明白的就快去实践一下…

php

discuz 经典加密解密

Tags:

// 参数解释
// $string: 明文 或 密文
// $operation:DECODE表示解密,其它表示加密
// $key: 密匙
// $expiry:密文有效期
function authcode($string, $operation = ‘DECODE’, $key = ”, $expiry = 0) {
// 动态密匙长度,相同的明文会生成不同密文就是依靠动态密匙
$ckey_length = 4;
// 密匙
$key = md5($key ? $key : $GLOBALS['discuz_auth_key']);
// 密匙a会参与加解密
$keya = md5(substr($key, 0, 16));
// 密匙b会用来做数据完整性验证
$keyb = md5(substr($key, 16, 16));
// 密匙c用于变化生成的密文
$keyc = $ckey_length ? ($operation == ‘DECODE’ ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : ”;
// 参与运算的密匙
$cryptkey = $keya.md5($keya.$keyc);
$key_length = strlen($cryptkey);
// 明文,前10位用来保存时间戳,解密时验证数据有效性,10到26位用来保存$keyb(密匙b),解密时会通过这个密匙验证数据完整性
// 如果是解码的话,会从第$ckey_length位开始,因为密文前$ckey_length位保存 动态密匙,以保证解密正确
$string = $operation == ‘DECODE’ ? base64_decode(substr($string, $ckey_length)) : sprintf(’%010d’, $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;
$string_length = strlen($string);
$result = ”;
$box = range(0, 255);
$rndkey = array();
// 产生密匙簿
for($i = 0; $i <= 255; $i++) {
$rndkey[$i] = ord($cryptkey[$i % $key_length]);
}
// 用固定的算法,打乱密匙簿,增加随机性,好像很复杂,实际上对并不会增加密文的强度
for($j = $i = 0; $i < 256; $i++) {
$j = ($j + $box[$i] + $rndkey[$i]) % 256;
$tmp = $box[$i];
$box[$i] = $box[$j];
$box[$j] = $tmp;
}
// 核心加解密部分
for($a = $j = $i = 0; $i < $string_length; $i++) {
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$tmp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $tmp;
// 从密匙簿得出密匙进行异或,再转成字符
$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
}
if($operation == ‘DECODE’) {
// substr($result, 0, 10) == 0 验证数据有效性
// substr($result, 0, 10) – time() > 0 验证数据有效性
// substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16) 验证数据完整性
// 验证数据有效性,请看未加密明文的格式
if((substr($result, 0, 10) == 0 || substr($result, 0, 10) – time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
return substr($result, 26);
} else {
return ”;
}
} else {
// 把动态密匙保存在密文里,这也是为什么同样的明文,生产不同密文后能解密的原因
// 因为加密后的密文可能是一些特殊字符,复制过程可能会丢失,所以用base64编码
return $keyc.str_replace(’=', ”, base64_encode($result));
}
}

php, 产业新闻

2010/08/15

PHP mysql_affected_rows() 函数

Tags:

定义和用法

mysql_affected_rows() 函数返回前一次 MySQL 操作所影响的记录行数。

语法

mysql_affected_rows(link_identifier)
参数 描述
link_identifier 必需。MySQL 的连接标识符。如果没有指定,默认使用最后被 mysql_connect() 打开的连接。如果没有找到该连接,函数会尝试调用 mysql_connect() 建立连接并使用它。如果发生意外,没有找到连接或无法建立连接,系统发出 E_WARNING 级别的警告信息。

说明

取得最近一次与 link_identifier 关联的 INSERT,UPDATE 或 DELETE 查询所影响的记录行数。

返回值

执行成功,则返回受影响的行的数目,如果最近一次查询失败的话,函数返回 -1。

如果最近一次操作是没有任何条件(WHERE)的 DELETE 查询,在表中所有的记录都会被删除,但本函数返回值在 4.1.2 版之前都为 0。

当使用 UPDATE 查询,MySQL 不会将原值与新值一样的列更新。这样使得 mysql_affected_rows() 函数返回值不一定就是查询条件所符合的记录数,只有真正被修改的记录数才会被返回。

REPLACE 语句首先删除具有相同主键的记录,然后插入一个新记录。该函数返回的是被删除的记录数加上被插入的记录数。

例子

<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
  {
  die("Could not connect: " . mysql_error());
  }

mysql_select_db("mydb");
mysql_query("DELETE FROM mytable WHERE id < 5");
$rc = mysql_affected_rows();
echo "Records deleted: " . $rc;

mysql_close($con);
?>

输出:

Records deleted: 4

北京网站建设公司

MYSQL, php

PHP mysql_num_rows() 函数

Tags: ,

定义和用法

mysql_num_rows() 函数返回结果集中行的数目。

语法

mysql_num_rows(data)
参数 描述
data 必需。结果集。该结果集从 mysql_query() 的调用中得到。

说明

mysql_num_rows() 返回结果集中行的数目。此命令仅对 SELECT 语句有效。要取得被 INSERT,UPDATE 或者 DELETE 查询所影响到的行的数目,用 mysql_affected_rows()

提示和注释

注释:如果使用 mysql_unbuffered_query(),则直到结果集中的所有行都被提取后 mysql_num_rows() 才能返回正确的值。

例子

<?php
$con = mysql_connect("localhost", "hello", "321");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

$db_selected = mysql_select_db("test_db",$con);

$sql = "SELECT * FROM person";
$result = mysql_query($sql,$con);
echo mysql_num_rows($result);

mysql_close($con);
?>

输出类似:

3

北京网站设计公司

php

PHP mysql_unbuffered_query() 函数

Tags:

定义和用法

mysql_unbuffered_query() 函数向 MySQL 发送一条 SQL 查询(不获取 / 缓存结果)。

语法

mysql_unbuffered_query(query,connection)
参数 描述
query 必需。规定要发送的 SQL 查询。注释:查询字符串不应以分号结束。
connection 可选。规定 SQL 连接标识符。如果未规定,则使用上一个打开的连接。

说明

mysql_unbuffered_query() 向 MySQL 发送一条 SQL 查询 query ,但不像 mysql_query() 那样自动获取并缓存结果集。一方面,这在处理很大的结果集时会节省可观的内存。另一方面,可以在获取第一行后立即对结果集进行操作,而不用等到整个 SQL 语句都执行完毕。

当使用多个数据库连接时,必须指定可选参数 connection

提示和注释

注释:mysql_unbuffered_query() 的好处是有代价的:在 mysql_unbuffered_query() 返回的结果集之上不能使用 mysql_num_rows() 和 mysql_data_seek()。此外在向 MySQL 发送一条新的 SQL 查询之前,必须提取所有未缓存的 SQL 查询所产生的结果行。

例子

<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

// 大型查询
$sql = "SELECT * FROM Person";

mysql_unbuffered_query($sql,$con);

// 开始处理数据...

mysql_close($con);
?>

北京网站建设公司

php

PHP mysql_query() 函数

Tags:

定义和用法

mysql_query() 函数执行一条 MySQL 查询。

语法

mysql_query(query,connection)
参数 描述
query 必需。规定要发送的 SQL 查询。注释:查询字符串不应以分号结束。
connection 可选。规定 SQL 连接标识符。如果未规定,则使用上一个打开的连接。

说明

如果没有打开的连接,本函数会尝试无参数调用 mysql_connect() 函数来建立一个连接并使用之。

返回值

mysql_query() 仅对 SELECT,SHOW,EXPLAIN 或 DESCRIBE 语句返回一个资源标识符,如果查询执行不正确则返回 FALSE。

对于其它类型的 SQL 语句,mysql_query() 在执行成功时返回 TRUE,出错时返回 FALSE。

非 FALSE 的返回值意味着查询是合法的并能够被服务器执行。这并不说明任何有关影响到的或返回的行数。很有可能一条查询执行成功了但并未影响到或并未返回任何行。

提示和注释

注释:该函数自动对记录集进行读取和缓存。如需运行非缓存查询,请使用 mysql_unbuffered_query()

例子

例子 1

<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

$sql = "SELECT * FROM Person";
mysql_query($sql,$con);

// 一些代码

mysql_close($con);
?>

例子 2

通过 mysql_query() 函数创建一个新数据库:

<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

$sql = "CREATE DATABASE my_db";
if (mysql_query($sql,$con))
  {
  echo "Database my_db created";
  }
else
  {
  echo "Error creating database: " . mysql_error();
  }
?>
网站建设公司

php

PHP mysql_select_db() 函数

Tags:

定义和用法

mysql_select_db() 函数设置活动的 MySQL 数据库。

如果成功,则该函数返回 true。如果失败,则返回 false。

语法

mysql_select_db(database,connection)
参数 描述
database 必需。规定要选择的数据库。
connection 可选。规定 MySQL 连接。如果未指定,则使用上一个连接。

例子

<?php
$con = mysql_connect("localhost", "hello", "321");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

$db_selected = mysql_select_db("test_db", $con);

if (!$db_selected)
  {
  die ("Can\'t use test_db : " . mysql_error());
  }

mysql_close($con);
?>


北京网站建设公司

php

die() 函数用法

Tags:

定义和用法

die() 函数输出一条消息,并退出当前脚本。

该函数是 exit() 函数的别名。

语法

die(status)
参数 描述
status 必需。规定在退出脚本之前写入的消息或状态号。状态号不会被写入输出。

说明

如果 status 是字符串,则该函数会在退出前输出字符串。

如果 status 是整数,这个值会被用作退出状态。退出状态的值在 0 至 254 之间。退出状态 255 由 PHP 保留,不会被使用。状态 0 用于成功地终止程序。

北京网站建设公司

php

PHP mysql_connect() 函数

Tags:

ORM  的mvc 框架用久了, 连php 的标准函数都忘了好多。。。

定义和用法

mysql_connect() 函数打开非持久的 MySQL 连接。

语法

mysql_connect(server,user,pwd,newlink,clientflag)
参数 描述
server

可选。规定要连接的服务器。

可以包括端口号,例如 “hostname:port”,或者到本地套接字的路径,例如对于 localhost 的 “:/path/to/socket”。

如果 PHP 指令 mysql.default_host 未定义(默认情况),则默认值是 ‘localhost:3306′。

user 可选。用户名。默认值是服务器进程所有者的用户名。
pwd 可选。密码。默认值是空密码。
newlink 可选。如果用同样的参数第二次调用 mysql_connect(),将不会建立新连接,而将返回已经打开的连接标识。参数 new_link 改变此行为并使 mysql_connect() 总是打开新的连接,甚至当 mysql_connect() 曾在前面被用同样的参数调用过。
clientflag

可选。client_flags 参数可以是以下常量的组合:

  • MYSQL_CLIENT_SSL – 使用 SSL 加密
  • MYSQL_CLIENT_COMPRESS – 使用压缩协议
  • MYSQL_CLIENT_IGNORE_SPACE – 允许函数名后的间隔
  • MYSQL_CLIENT_INTERACTIVE – 允许关闭连接之前的交互超时非活动时间

返回值

如果成功,则返回一个 MySQL 连接标识,失败则返回 FALSE。

php

很好用的 php – excel 类

Tags:

北京网站建设

最近因项目需求,要实现将excel文件通过php页面导入mysql数据库中。在网上搜了很多这方面的资料,发现都是将excel文件另存为csv文件,然后从csv文件导入。这里介绍一个直接将excel文件导入mysql的例子。我花了一晚上的时间测试,无论导入简繁体都不会出现乱码,非常好用。

整理:leo 2007.12.21 凌晨

PHP-ExcelReader,下载地址: http://sourceforge.net/projects/phpexcelreader

说明:

测试环境:MYSQL数据库采用utf8编码.导入EXCEL文档是xls格式,经过测试,xlsx 格式[excel 2007]也OK.

文中红色标注为需要注意的地方,请替换成你配置好的数据,如数据库配置等。运行http://localost/test.php实现导入。

以下是我贴出的详细代码,其中test.php为我写的测试文件,read.php和oleread.inc文件是从上面提供的网址中下载的。

1.    test.php

<?php

require_once ‘reader.php’;

// ExcelFile($filename, $encoding);

$data = new Spreadsheet_Excel_Reader();

// Set output Encoding.

$data->setOutputEncoding(’gbk’);

//”data.xls”是指要导入到mysql中的excel文件

$data->read(’data.xls’);

@ $db = mysql_connect(’localhost’, ‘root’, ‘123456′) or

die(”Could not connect to database.”);//连接数据库

mysql_query(”set names ‘gbk’”);//输出中文

mysql_select_db(’mydb’);       //选择数据库

error_reporting(E_ALL ^ E_NOTICE);

for ($i = 1; $i <= $data->sheets[0]['numRows']; $i++) {

//以下注释的for循环打印excel表数据

/*

for ($j = 1; $j <= $data->sheets[0]['numCols']; $j++) {

echo “\”".$data->sheets[0]['cells'][$i][$j].”\”,”;

}

echo “\n”;

*/

//以下代码是将excel表数据【3个字段】插入到mysql中,根据你的excel表字段的多少,改写以下代码吧!

$sql = “INSERT INTO test VALUES(’”.

$data->sheets[0]['cells'][$i][1].”‘,’”.

$data->sheets[0]['cells'][$i][2].”‘,’”.

$data->sheets[0]['cells'][$i][3].”‘)”;

echo $sql.’<br />’;

$res = mysql_query($sql);

}

?>

2.reader.php

<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**

* A class for reading Microsoft Excel Spreadsheets.

*

* Originally developed by Vadim Tkachenko under the name PHPExcelReader.

* (http://sourceforge.net/projects/phpexcelreader)

* Based on the Java version by Andy Khan (http://www.andykhan.com).  Now

* maintained by David Sanders.  Reads only Biff 7 and Biff 8 formats.

*

* PHP versions 4 and 5

*

* LICENSE: This source file is subject to version 3.0 of the PHP license

* that is available through the world-wide-web at the following URI:

* http://www.php.net/license/3_0.txt.  If you did not receive a copy of

* the PHP License and are unable to obtain it through the web, please

* send a note to license@php.net so we can mail you a copy immediately.

*

* @category   Spreadsheet

* @package    Spreadsheet_Excel_Reader

* @author     Vadim Tkachenko <vt@apachephp.com>

* @license    http://www.php.net/license/3_0.txt  PHP License 3.0

* @version    CVS: $Id: reader.php 19 2007-03-13 12:42:41Z shangxiao $

* @link       http://pear.php.net/package/Spreadsheet_Excel_Reader

* @see        OLE, Spreadsheet_Excel_Writer

*/

//require_once ‘PEAR.php’;

require_once ‘oleread.inc’;

//require_once ‘OLE.php’;

define(’SPREADSHEET_EXCEL_READER_BIFF8′,             0×600);

define(’SPREADSHEET_EXCEL_READER_BIFF7′,             0×500);

define(’SPREADSHEET_EXCEL_READER_WORKBOOKGLOBALS’,   0×5);

define(’SPREADSHEET_EXCEL_READER_WORKSHEET’,         0×10);

define(’SPREADSHEET_EXCEL_READER_TYPE_BOF’,          0×809);

define(’SPREADSHEET_EXCEL_READER_TYPE_EOF’,          0×0a);

define(’SPREADSHEET_EXCEL_READER_TYPE_BOUNDSHEET’,   0×85);

define(’SPREADSHEET_EXCEL_READER_TYPE_DIMENSION’,    0×200);

define(’SPREADSHEET_EXCEL_READER_TYPE_ROW’,          0×208);

define(’SPREADSHEET_EXCEL_READER_TYPE_DBCELL’,       0xd7);

define(’SPREADSHEET_EXCEL_READER_TYPE_FILEPASS’,     0×2f);

define(’SPREADSHEET_EXCEL_READER_TYPE_NOTE’,         0×1c);

define(’SPREADSHEET_EXCEL_READER_TYPE_TXO’,          0×1b6);

define(’SPREADSHEET_EXCEL_READER_TYPE_RK’,           0×7e);

define(’SPREADSHEET_EXCEL_READER_TYPE_RK2′,          0×27e);

define(’SPREADSHEET_EXCEL_READER_TYPE_MULRK’,        0xbd);

define(’SPREADSHEET_EXCEL_READER_TYPE_MULBLANK’,     0xbe);

define(’SPREADSHEET_EXCEL_READER_TYPE_INDEX’,        0×20b);

define(’SPREADSHEET_EXCEL_READER_TYPE_SST’,          0xfc);

define(’SPREADSHEET_EXCEL_READER_TYPE_EXTSST’,       0xff);

define(’SPREADSHEET_EXCEL_READER_TYPE_CONTINUE’,     0×3c);

define(’SPREADSHEET_EXCEL_READER_TYPE_LABEL’,        0×204);

define(’SPREADSHEET_EXCEL_READER_TYPE_LABELSST’,     0xfd);

define(’SPREADSHEET_EXCEL_READER_TYPE_NUMBER’,       0×203);

define(’SPREADSHEET_EXCEL_READER_TYPE_NAME’,         0×18);

define(’SPREADSHEET_EXCEL_READER_TYPE_ARRAY’,        0×221);

define(’SPREADSHEET_EXCEL_READER_TYPE_STRING’,       0×207);

define(’SPREADSHEET_EXCEL_READER_TYPE_FORMULA’,      0×406);

define(’SPREADSHEET_EXCEL_READER_TYPE_FORMULA2′,     0×6);

define(’SPREADSHEET_EXCEL_READER_TYPE_FORMAT’,       0×41e);

define(’SPREADSHEET_EXCEL_READER_TYPE_XF’,           0xe0);

define(’SPREADSHEET_EXCEL_READER_TYPE_BOOLERR’,      0×205);

define(’SPREADSHEET_EXCEL_READER_TYPE_UNKNOWN’,      0xffff);

define(’SPREADSHEET_EXCEL_READER_TYPE_NINETEENFOUR’, 0×22);

define(’SPREADSHEET_EXCEL_READER_TYPE_MERGEDCELLS’,  0xE5);

define(’SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS’ ,    25569);

define(’SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS1904′, 24107);

define(’SPREADSHEET_EXCEL_READER_MSINADAY’,          86400);

//define(’SPREADSHEET_EXCEL_READER_MSINADAY’, 24 * 60 * 60);

//define(’SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT’, “%.2f”);

define(’SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT’,    “%s”);

/*

* Place includes, constant defines and $_GLOBAL settings here.

* Make sure they have appropriate docblocks to avoid phpDocumentor

* construing they are documented by the page-level docblock.

*/

/**

* A class for reading Microsoft Excel Spreadsheets.

*

* Originally developed by Vadim Tkachenko under the name PHPExcelReader.

* (http://sourceforge.net/projects/phpexcelreader)

* Based on the Java version by Andy Khan (http://www.andykhan.com).  Now

* maintained by David Sanders.  Reads only Biff 7 and Biff 8 formats.

*

* @category   Spreadsheet

* @package    Spreadsheet_Excel_Reader

* @author     Vadim Tkachenko <vt@phpapache.com>

* @copyright  1997-2005 The PHP Group

* @license    http://www.php.net/license/3_0.txt  PHP License 3.0

* @version    Release: @package_version@

* @link       http://pear.php.net/package/PackageName

* @see        OLE, Spreadsheet_Excel_Writer

*/

class Spreadsheet_Excel_Reader

{

/**

* Array of worksheets found

*

* @var array

* @access public

*/

var $boundsheets = array();

/**

* Array of format records found

*

* @var array

* @access public

*/

var $formatRecords = array();

/**

* todo

*

* @var array

* @access public

*/

var $sst = array();

/**

* Array of worksheets

*

* The data is stored in ‘cells’ and the meta-data is stored in an array

* called ‘cellsInfo’

*

* Example:

*

* $sheets  –>  ‘cells’  –>  row –> column –> Interpreted value

*          –>  ‘cellsInfo’ –> row –> column –> ‘type’ – Can be ‘date’, ‘number’, or ‘unknown’

*                                            –> ‘raw’ – The raw data that Excel stores for that data cell

*

* @var array

* @access public

*/

var $sheets = array();

/**

* The data returned by OLE

*

* @var string

* @access public

*/

var $data;

/**

* OLE object for reading the file

*

* @var OLE object

* @access private

*/

var $_ole;

/**

* Default encoding

*

* @var string

* @access private

*/

var $_defaultEncoding;

/**

* Default number format

*

* @var integer

* @access private

*/

var $_defaultFormat = SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT;

/**

* todo

* List of formats to use for each column

*

* @var array

* @access private

*/

var $_columnsFormat = array();

/**

* todo

*

* @var integer

* @access private

*/

var $_rowoffset = 1;

/**

* todo

*

* @var integer

* @access private

*/

var $_coloffset = 1;

/**

* List of default date formats used by Excel

*

* @var array

* @access public

*/

var $dateFormats = array (

0xe => “d/m/Y”,

0xf => “d-M-Y”,

0×10 => “d-M”,

0×11 => “M-Y”,

0×12 => “h:i a”,

0×13 => “h:i:s a”,

0×14 => “H:i”,

0×15 => “H:i:s”,

0×16 => “d/m/Y H:i”,

0×2d => “i:s”,

0×2e => “H:i:s”,

0×2f => “i:s.S”);

/**

* Default number formats used by Excel

*

* @var array

* @access public

*/

var $numberFormats = array(

0×1 => “%1.0f”,     // “0″

0×2 => “%1.2f”,     // “0.00″,

0×3 => “%1.0f”,     //”#,##0″,

0×4 => “%1.2f”,     //”#,##0.00″,

0×5 => “%1.0f”,     /*”$#,##0;($#,##0)”,*/

0×6 => ‘$%1.0f’,    /*”$#,##0;($#,##0)”,*/

0×7 => ‘$%1.2f’,    //”$#,##0.00;($#,##0.00)”,

0×8 => ‘$%1.2f’,    //”$#,##0.00;($#,##0.00)”,

0×9 => ‘%1.0f%%’,   // “0%”

0xa => ‘%1.2f%%’,   // “0.00%”

0xb => ‘%1.2f’,     // 0.00E00″,

0×25 => ‘%1.0f’,    // “#,##0;(#,##0)”,

0×26 => ‘%1.0f’,    //”#,##0;(#,##0)”,

0×27 => ‘%1.2f’,    //”#,##0.00;(#,##0.00)”,

0×28 => ‘%1.2f’,    //”#,##0.00;(#,##0.00)”,

0×29 => ‘%1.0f’,    //”#,##0;(#,##0)”,

0×2a => ‘$%1.0f’,   //”$#,##0;($#,##0)”,

0×2b => ‘%1.2f’,    //”#,##0.00;(#,##0.00)”,

0×2c => ‘$%1.2f’,   //”$#,##0.00;($#,##0.00)”,

0×30 => ‘%1.0f’);   //”##0.0E0″;

// }}}

// {{{ Spreadsheet_Excel_Reader()

/**

* Constructor

*

* Some basic initialisation

*/

function Spreadsheet_Excel_Reader()

{

$this->_ole =& new OLERead();

$this->setUTFEncoder(’iconv’);

}

// }}}

// {{{ setOutputEncoding()

/**

* Set the encoding method

*

* @param string Encoding to use

* @access public

*/

function setOutputEncoding($encoding)

{

$this->_defaultEncoding = $encoding;

}

// }}}

// {{{ setUTFEncoder()

/**

*  $encoder = ‘iconv’ or ‘mb’

*  set iconv if you would like use ‘iconv’ for encode UTF-16LE to your encoding

*  set mb if you would like use ‘mb_convert_encoding’ for encode UTF-16LE to your encoding

*

* @access public

* @param string Encoding type to use.  Either ‘iconv’ or ‘mb’

*/

function setUTFEncoder($encoder = ‘iconv’)

{

$this->_encoderFunction = ”;

if ($encoder == ‘iconv’) {

$this->_encoderFunction = function_exists(’iconv’) ? ‘iconv’ : ”;

} elseif ($encoder == ‘mb’) {

$this->_encoderFunction = function_exists(’mb_convert_encoding’) ?

‘mb_convert_encoding’ :

”;

}

}

// }}}

// {{{ setRowColOffset()

/**

* todo

*

* @access public

* @param offset

*/

function setRowColOffset($iOffset)

{

$this->_rowoffset = $iOffset;

$this->_coloffset = $iOffset;

}

// }}}

// {{{ setDefaultFormat()

/**

* Set the default number format

*

* @access public

* @param Default format

*/

function setDefaultFormat($sFormat)

{

$this->_defaultFormat = $sFormat;

}

// }}}

// {{{ setColumnFormat()

/**

* Force a column to use a certain format

*

* @access public

* @param integer Column number

* @param string Format

*/

function setColumnFormat($column, $sFormat)

{

$this->_columnsFormat[$column] = $sFormat;

}

// }}}

// {{{ read()

/**

* Read the spreadsheet file using OLE, then parse

*

* @access public

* @param filename

* @todo return a valid value

*/

function read($sFileName)

{

/*

require_once ‘OLE.php’;

$ole = new OLE();

$ole->read($sFileName);

foreach ($ole->_list as $i => $pps) {

if (($pps->Name == ‘Workbook’ || $pps->Name == ‘Book’) &&

$pps->Size >= SMALL_BLOCK_THRESHOLD) {

$this->data = $ole->getData($i, 0, $ole->getDataLength($i));

} elseif ($pps->Name == ‘Root Entry’) {

$this->data = $ole->getData($i, 0, $ole->getDataLength($i));

}

//var_dump(strlen($ole->getData($i, 0, $ole->getDataLength($i))), $pps->Name, md5($this->data), $ole->getDataLength($i));

}

//exit;

$this->_parse();

return sizeof($this->sheets) > 0;

*/

$res = $this->_ole->read($sFileName);

// oops, something goes wrong (Darko Miljanovic)

if($res === false) {

// check error code

if($this->_ole->error == 1) {

// bad file

die(’The filename ‘ . $sFileName . ‘ is not readable’);

}

// check other error codes here (eg bad fileformat, etc…)

}

$this->data = $this->_ole->getWorkBook();

/*

$res = $this->_ole->read($sFileName);

if ($this->isError($res)) {

//        var_dump($res);

return $this->raiseError($res);

}

$total = $this->_ole->ppsTotal();

for ($i = 0; $i < $total; $i++) {

if ($this->_ole->isFile($i)) {

$type = unpack(”v”, $this->_ole->getData($i, 0, 2));

if ($type[''] == 0×0809)  { // check if it’s a BIFF stream

$this->_index = $i;

$this->data = $this->_ole->getData($i, 0, $this->_ole->getDataLength($i));

break;

}

}

}

if ($this->_index === null) {

return $this->raiseError(”$file doesn’t seem to be an Excel file”);

}

*/

//echo “data =”.$this->data;

//$this->readRecords();

$this->_parse();

}

// }}}

// {{{ _parse()

/**

* Parse a workbook

*

* @access private

* @return bool

*/

function _parse()

{

$pos = 0;

$code = ord($this->data[$pos]) | ord($this->data[$pos+1])<<8;

$length = ord($this->data[$pos+2]) | ord($this->data[$pos+3])<<8;

$version = ord($this->data[$pos + 4]) | ord($this->data[$pos + 5])<<8;

$substreamType = ord($this->data[$pos + 6]) | ord($this->data[$pos + 7])<<8;

//echo “Start parse code=”.base_convert($code,10,16).” version=”.base_convert($version,10,16).” substreamType=”.base_convert($substreamType,10,16).”".”\n”;

if (($version != SPREADSHEET_EXCEL_READER_BIFF8) &&

($version != SPREADSHEET_EXCEL_READER_BIFF7)) {

return false;

}

if ($substreamType != SPREADSHEET_EXCEL_READER_WORKBOOKGLOBALS){

return false;

}

//print_r($rec);

$pos += $length + 4;

$code = ord($this->data[$pos]) | ord($this->data[$pos+1])<<8;

$length = ord($this->data[$pos+2]) | ord($this->data[$pos+3])<<8;

while ($code != SPREADSHEET_EXCEL_READER_TYPE_EOF) {

switch ($code) {

case SPREADSHEET_EXCEL_READER_TYPE_SST:

//echo “Type_SST\n”;

$spos = $pos + 4;

$limitpos = $spos + $length;

$uniqueStrings = $this->_GetInt4d($this->data, $spos+4);

$spos += 8;

for ($i = 0; $i < $uniqueStrings; $i++) {

// Read in the number of characters

if ($spos == $limitpos) {

$opcode = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$conlength = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

if ($opcode != 0×3c) {

return -1;

}

$spos += 4;

$limitpos = $spos + $conlength;

}

$numChars = ord($this->data[$spos]) | (ord($this->data[$spos+1]) << 8);

//echo “i = $i pos = $pos numChars = $numChars “;

$spos += 2;

$optionFlags = ord($this->data[$spos]);

$spos++;

$asciiEncoding = (($optionFlags & 0×01) == 0) ;

$extendedString = ( ($optionFlags & 0×04) != 0);

// See if string contains formatting information

$richString = ( ($optionFlags & 0×08) != 0);

if ($richString) {

// Read in the crun

$formattingRuns = ord($this->data[$spos]) | (ord($this->data[$spos+1]) << 8);

$spos += 2;

}

if ($extendedString) {

// Read in cchExtRst

$extendedRunLength = $this->_GetInt4d($this->data, $spos);

$spos += 4;

}

$len = ($asciiEncoding)? $numChars : $numChars*2;

if ($spos + $len < $limitpos) {

$retstr = substr($this->data, $spos, $len);

$spos += $len;

}else{

// found countinue

$retstr = substr($this->data, $spos, $limitpos – $spos);

$bytesRead = $limitpos – $spos;

$charsLeft = $numChars – (($asciiEncoding) ? $bytesRead : ($bytesRead / 2));

$spos = $limitpos;

while ($charsLeft > 0){

$opcode = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$conlength = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

if ($opcode != 0×3c) {

return -1;

}

$spos += 4;

$limitpos = $spos + $conlength;

$option = ord($this->data[$spos]);

$spos += 1;

if ($asciiEncoding && ($option == 0)) {

$len = min($charsLeft, $limitpos – $spos); // min($charsLeft, $conlength);

$retstr .= substr($this->data, $spos, $len);

$charsLeft -= $len;

$asciiEncoding = true;

}elseif (!$asciiEncoding && ($option != 0)){

$len = min($charsLeft * 2, $limitpos – $spos); // min($charsLeft, $conlength);

$retstr .= substr($this->data, $spos, $len);

$charsLeft -= $len/2;

$asciiEncoding = false;

}elseif (!$asciiEncoding && ($option == 0)) {

// Bummer – the string starts off as Unicode, but after the

// continuation it is in straightforward ASCII encoding

$len = min($charsLeft, $limitpos – $spos); // min($charsLeft, $conlength);

for ($j = 0; $j < $len; $j++) {

$retstr .= $this->data[$spos + $j].chr(0);

}

$charsLeft -= $len;

$asciiEncoding = false;

}else{

$newstr = ”;

for ($j = 0; $j < strlen($retstr); $j++) {

$newstr = $retstr[$j].chr(0);

}

$retstr = $newstr;

$len = min($charsLeft * 2, $limitpos – $spos); // min($charsLeft, $conlength);

$retstr .= substr($this->data, $spos, $len);

$charsLeft -= $len/2;

$asciiEncoding = false;

//echo “Izavrat\n”;

}

$spos += $len;

}

}

$retstr = ($asciiEncoding) ? $retstr : $this->_encodeUTF16($retstr);

//                                              echo “Str $i = $retstr\n”;

if ($richString){

$spos += 4 * $formattingRuns;

}

// For extended strings, skip over the extended string data

if ($extendedString) {

$spos += $extendedRunLength;

}

//if ($retstr == ‘Derby’){

//      echo “bb\n”;

//}

$this->sst[]=$retstr;

}

/*$continueRecords = array();

while ($this->getNextCode() == Type_CONTINUE) {

$continueRecords[] = &$this->nextRecord();

}

//echo ” 1 Type_SST\n”;

$this->shareStrings = new SSTRecord($r, $continueRecords);

//print_r($this->shareStrings->strings);

*/

// echo ‘SST read: ‘.($time_end-$time_start).”\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_FILEPASS:

return false;

break;

case SPREADSHEET_EXCEL_READER_TYPE_NAME:

//echo “Type_NAME\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_FORMAT:

$indexCode = ord($this->data[$pos+4]) | ord($this->data[$pos+5]) << 8;

if ($version == SPREADSHEET_EXCEL_READER_BIFF8) {

$numchars = ord($this->data[$pos+6]) | ord($this->data[$pos+7]) << 8;

if (ord($this->data[$pos+8]) == 0){

$formatString = substr($this->data, $pos+9, $numchars);

} else {

$formatString = substr($this->data, $pos+9, $numchars*2);

}

} else {

$numchars = ord($this->data[$pos+6]);

$formatString = substr($this->data, $pos+7, $numchars*2);

}

$this->formatRecords[$indexCode] = $formatString;

// echo “Type.FORMAT\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_XF:

//global $dateFormats, $numberFormats;

$indexCode = ord($this->data[$pos+6]) | ord($this->data[$pos+7]) << 8;

//echo “\nType.XF “.count($this->formatRecords['xfrecords']).” $indexCode “;

if (array_key_exists($indexCode, $this->dateFormats)) {

//echo “isdate “.$dateFormats[$indexCode];

$this->formatRecords['xfrecords'][] = array(

‘type’ => ‘date’,

‘format’ => $this->dateFormats[$indexCode]

);

}elseif (array_key_exists($indexCode, $this->numberFormats)) {

//echo “isnumber “.$this->numberFormats[$indexCode];

$this->formatRecords['xfrecords'][] = array(

‘type’ => ‘number’,

‘format’ => $this->numberFormats[$indexCode]

);

}else{

$isdate = FALSE;

if ($indexCode > 0){

if (isset($this->formatRecords[$indexCode]))

$formatstr = $this->formatRecords[$indexCode];

//echo ‘.other.’;

//echo “\ndate-time=$formatstr=\n”;

if ($formatstr)

if (preg_match(”/[^hmsday\/\-:\s]/i”, $formatstr) == 0) { // found day and time format

$isdate = TRUE;

$formatstr = str_replace(’mm’, ‘i’, $formatstr);

$formatstr = str_replace(’h', ‘H’, $formatstr);

//echo “\ndate-time $formatstr \n”;

}

}

if ($isdate){

$this->formatRecords['xfrecords'][] = array(

‘type’ => ‘date’,

‘format’ => $formatstr,

);

}else{

$this->formatRecords['xfrecords'][] = array(

‘type’ => ‘other’,

‘format’ => ”,

‘code’ => $indexCode

);

}

}

//echo “\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_NINETEENFOUR:

//echo “Type.NINETEENFOUR\n”;

$this->nineteenFour = (ord($this->data[$pos+4]) == 1);

break;

case SPREADSHEET_EXCEL_READER_TYPE_BOUNDSHEET:

//echo “Type.BOUNDSHEET\n”;

$rec_offset = $this->_GetInt4d($this->data, $pos+4);

$rec_typeFlag = ord($this->data[$pos+8]);

$rec_visibilityFlag = ord($this->data[$pos+9]);

$rec_length = ord($this->data[$pos+10]);

if ($version == SPREADSHEET_EXCEL_READER_BIFF8){

$chartype =  ord($this->data[$pos+11]);

if ($chartype == 0){

$rec_name    = substr($this->data, $pos+12, $rec_length);

} else {

$rec_name    = $this->_encodeUTF16(substr($this->data, $pos+12, $rec_length*2));

}

}elseif ($version == SPREADSHEET_EXCEL_READER_BIFF7){

$rec_name    = substr($this->data, $pos+11, $rec_length);

}

$this->boundsheets[] = array(’name’=>$rec_name,

‘offset’=>$rec_offset);

break;

}

//echo “Code = “.base_convert($r['code'],10,16).”\n”;

$pos += $length + 4;

$code = ord($this->data[$pos]) | ord($this->data[$pos+1])<<8;

$length = ord($this->data[$pos+2]) | ord($this->data[$pos+3])<<8;

//$r = &$this->nextRecord();

//echo “1 Code = “.base_convert($r['code'],10,16).”\n”;

}

foreach ($this->boundsheets as $key=>$val){

$this->sn = $key;

$this->_parsesheet($val['offset']);

}

return true;

}

/**

* Parse a worksheet

*

* @access private

* @param todo

* @todo fix return codes

*/

function _parsesheet($spos)

{

$cont = true;

// read BOF

$code = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$length = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$version = ord($this->data[$spos + 4]) | ord($this->data[$spos + 5])<<8;

$substreamType = ord($this->data[$spos + 6]) | ord($this->data[$spos + 7])<<8;

if (($version != SPREADSHEET_EXCEL_READER_BIFF8) && ($version != SPREADSHEET_EXCEL_READER_BIFF7)) {

return -1;

}

if ($substreamType != SPREADSHEET_EXCEL_READER_WORKSHEET){

return -2;

}

//echo “Start parse code=”.base_convert($code,10,16).” version=”.base_convert($version,10,16).” substreamType=”.base_convert($substreamType,10,16).”".”\n”;

$spos += $length + 4;

//var_dump($this->formatRecords);

//echo “code $code $length”;

while($cont) {

//echo “mem= “.memory_get_usage().”\n”;

//            $r = &$this->file->nextRecord();

$lowcode = ord($this->data[$spos]);

if ($lowcode == SPREADSHEET_EXCEL_READER_TYPE_EOF) break;

$code = $lowcode | ord($this->data[$spos+1])<<8;

$length = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$spos += 4;

$this->sheets[$this->sn]['maxrow'] = $this->_rowoffset – 1;

$this->sheets[$this->sn]['maxcol'] = $this->_coloffset – 1;

//echo “Code=”.base_convert($code,10,16).” $code\n”;

unset($this->rectype);

$this->multiplier = 1; // need for format with %

switch ($code) {

case SPREADSHEET_EXCEL_READER_TYPE_DIMENSION:

//echo ‘Type_DIMENSION ‘;

if (!isset($this->numRows)) {

if (($length == 10) ||  ($version == SPREADSHEET_EXCEL_READER_BIFF7)){

$this->sheets[$this->sn]['numRows'] = ord($this->data[$spos+2]) | ord($this->data[$spos+3]) << 8;

$this->sheets[$this->sn]['numCols'] = ord($this->data[$spos+6]) | ord($this->data[$spos+7]) << 8;

} else {

$this->sheets[$this->sn]['numRows'] = ord($this->data[$spos+4]) | ord($this->data[$spos+5]) << 8;

$this->sheets[$this->sn]['numCols'] = ord($this->data[$spos+10]) | ord($this->data[$spos+11]) << 8;

}

}

//echo ‘numRows ‘.$this->numRows.’ ‘.$this->numCols.”\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_MERGEDCELLS:

$cellRanges = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

for ($i = 0; $i < $cellRanges; $i++) {

$fr =  ord($this->data[$spos + 8*$i + 2]) | ord($this->data[$spos + 8*$i + 3])<<8;

$lr =  ord($this->data[$spos + 8*$i + 4]) | ord($this->data[$spos + 8*$i + 5])<<8;

$fc =  ord($this->data[$spos + 8*$i + 6]) | ord($this->data[$spos + 8*$i + 7])<<8;

$lc =  ord($this->data[$spos + 8*$i + 8]) | ord($this->data[$spos + 8*$i + 9])<<8;

//$this->sheets[$this->sn]['mergedCells'][] = array($fr + 1, $fc + 1, $lr + 1, $lc + 1);

if ($lr – $fr > 0) {

$this->sheets[$this->sn]['cellsInfo'][$fr+1][$fc+1]['rowspan'] = $lr – $fr + 1;

}

if ($lc – $fc > 0) {

$this->sheets[$this->sn]['cellsInfo'][$fr+1][$fc+1]['colspan'] = $lc – $fc + 1;

}

}

//echo “Merged Cells $cellRanges $lr $fr $lc $fc\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_RK:

case SPREADSHEET_EXCEL_READER_TYPE_RK2:

//echo ‘SPREADSHEET_EXCEL_READER_TYPE_RK’.”\n”;

$row = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$rknum = $this->_GetInt4d($this->data, $spos + 6);

$numValue = $this->_GetIEEE754($rknum);

//echo $numValue.” “;

if ($this->isDate($spos)) {

list($string, $raw) = $this->createDate($numValue);

}else{

$raw = $numValue;

if (isset($this->_columnsFormat[$column + 1])){

$this->curformat = $this->_columnsFormat[$column + 1];

}

$string = sprintf($this->curformat, $numValue * $this->multiplier);

//$this->addcell(RKRecord($r));

}

$this->addcell($row, $column, $string, $raw);

//echo “Type_RK $row $column $string $raw {$this->curformat}\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_LABELSST:

$row        = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$column     = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$xfindex    = ord($this->data[$spos+4]) | ord($this->data[$spos+5])<<8;

$index  = $this->_GetInt4d($this->data, $spos + 6);

//var_dump($this->sst);

$this->addcell($row, $column, $this->sst[$index]);

//echo “LabelSST $row $column $string\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_MULRK:

$row        = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$colFirst   = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$colLast    = ord($this->data[$spos + $length - 2]) | ord($this->data[$spos + $length - 1])<<8;

$columns    = $colLast – $colFirst + 1;

$tmppos = $spos+4;

for ($i = 0; $i < $columns; $i++) {

$numValue = $this->_GetIEEE754($this->_GetInt4d($this->data, $tmppos + 2));

if ($this->isDate($tmppos-4)) {

list($string, $raw) = $this->createDate($numValue);

}else{

$raw = $numValue;

if (isset($this->_columnsFormat[$colFirst + $i + 1])){

$this->curformat = $this->_columnsFormat[$colFirst + $i + 1];

}

$string = sprintf($this->curformat, $numValue * $this->multiplier);

}

//$rec['rknumbers'][$i]['xfindex'] = ord($rec['data'][$pos]) | ord($rec['data'][$pos+1]) << 8;

$tmppos += 6;

$this->addcell($row, $colFirst + $i, $string, $raw);

//echo “MULRK $row “.($colFirst + $i).” $string\n”;

}

//MulRKRecord($r);

// Get the individual cell records from the multiple record

//$num = ;

break;

case SPREADSHEET_EXCEL_READER_TYPE_NUMBER:

$row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$tmp = unpack(”ddouble”, substr($this->data, $spos + 6, 8)); // It machine machine dependent

if ($this->isDate($spos)) {

list($string, $raw) = $this->createDate($tmp['double']);

//   $this->addcell(DateRecord($r, 1));

}else{

//$raw = $tmp[''];

if (isset($this->_columnsFormat[$column + 1])){

$this->curformat = $this->_columnsFormat[$column + 1];

}

$raw = $this->createNumber($spos);

$string = sprintf($this->curformat, $raw * $this->multiplier);

//   $this->addcell(NumberRecord($r));

}

$this->addcell($row, $column, $string, $raw);

//echo “Number $row $column $string\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_FORMULA:

case SPREADSHEET_EXCEL_READER_TYPE_FORMULA2:

$row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

if ((ord($this->data[$spos+6])==0) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {

//String formula. Result follows in a STRING record

//echo “FORMULA $row $column Formula with a string<br>\n”;

} elseif ((ord($this->data[$spos+6])==1) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {

//Boolean formula. Result is in +2; 0=false,1=true

} elseif ((ord($this->data[$spos+6])==2) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {

//Error formula. Error code is in +2;

} elseif ((ord($this->data[$spos+6])==3) && (ord($this->data[$spos+12])==255) && (ord($this->data[$spos+13])==255)) {

//Formula result is a null string.

} else {

// result is a number, so first 14 bytes are just like a _NUMBER record

$tmp = unpack(”ddouble”, substr($this->data, $spos + 6, 8)); // It machine machine dependent

if ($this->isDate($spos)) {

list($string, $raw) = $this->createDate($tmp['double']);

//   $this->addcell(DateRecord($r, 1));

}else{

//$raw = $tmp[''];

if (isset($this->_columnsFormat[$column + 1])){

$this->curformat = $this->_columnsFormat[$column + 1];

}

$raw = $this->createNumber($spos);

$string = sprintf($this->curformat, $raw * $this->multiplier);

//   $this->addcell(NumberRecord($r));

}

$this->addcell($row, $column, $string, $raw);

//echo “Number $row $column $string\n”;

}

break;

case SPREADSHEET_EXCEL_READER_TYPE_BOOLERR:

$row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$string = ord($this->data[$spos+6]);

$this->addcell($row, $column, $string);

//echo ‘Type_BOOLERR ‘.”\n”;

break;

case SPREADSHEET_EXCEL_READER_TYPE_ROW:

case SPREADSHEET_EXCEL_READER_TYPE_DBCELL:

case SPREADSHEET_EXCEL_READER_TYPE_MULBLANK:

break;

case SPREADSHEET_EXCEL_READER_TYPE_LABEL:

$row    = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;

$column = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;

$this->addcell($row, $column, substr($this->data, $spos + 8, ord($this->data[$spos + 6]) | ord($this->data[$spos + 7])<<8));

// $this->addcell(LabelRecord($r));

break;

case SPREADSHEET_EXCEL_READER_TYPE_EOF:

$cont = false;

break;

default:

//echo ‘ unknown :’.base_convert($r['code'],10,16).”\n”;

break;

}

$spos += $length;

}

if (!isset($this->sheets[$this->sn]['numRows']))

$this->sheets[$this->sn]['numRows'] = $this->sheets[$this->sn]['maxrow'];

if (!isset($this->sheets[$this->sn]['numCols']))

$this->sheets[$this->sn]['numCols'] = $this->sheets[$this->sn]['maxcol'];

}

/**

* Check whether the current record read is a date

*

* @param todo

* @return boolean True if date, false otherwise

*/

function isDate($spos)

{

//$xfindex = GetInt2d(, 4);

$xfindex = ord($this->data[$spos+4]) | ord($this->data[$spos+5]) << 8;

//echo ‘check is date ‘.$xfindex.’ ‘.$this->formatRecords['xfrecords'][$xfindex]['type'].”\n”;

//var_dump($this->formatRecords['xfrecords'][$xfindex]);

if ($this->formatRecords['xfrecords'][$xfindex]['type'] == ‘date’) {

$this->curformat = $this->formatRecords['xfrecords'][$xfindex]['format'];

$this->rectype = ‘date’;

return true;

} else {

if ($this->formatRecords['xfrecords'][$xfindex]['type'] == ‘number’) {

$this->curformat = $this->formatRecords['xfrecords'][$xfindex]['format'];

$this->rectype = ‘number’;

if (($xfindex == 0×9) || ($xfindex == 0xa)){

$this->multiplier = 100;

}

}else{

$this->curformat = $this->_defaultFormat;

$this->rectype = ‘unknown’;

}

return false;

}

}

//}}}

//{{{ createDate()

/**

* Convert the raw Excel date into a human readable format

*

* Dates in Excel are stored as number of seconds from an epoch.  On

* Windows, the epoch is 30/12/1899 and on Mac it’s 01/01/1904

*

* @access private

* @param integer The raw Excel value to convert

* @return array First element is the converted date, the second element is number a unix timestamp

*/

function createDate($numValue)

{

if ($numValue > 1) {

$utcDays = $numValue – ($this->nineteenFour ? SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS1904 : SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS);

$utcValue = round(($utcDays+1) * SPREADSHEET_EXCEL_READER_MSINADAY);

$string = date ($this->curformat, $utcValue);

$raw = $utcValue;

} else {

$raw = $numValue;

$hours = floor($numValue * 24);

$mins = floor($numValue * 24 * 60) – $hours * 60;

$secs = floor($numValue * SPREADSHEET_EXCEL_READER_MSINADAY) – $hours * 60 * 60 – $mins * 60;

$string = date ($this->curformat, mktime($hours, $mins, $secs));

}

return array($string, $raw);

}

function createNumber($spos)

{

$rknumhigh = $this->_GetInt4d($this->data, $spos + 10);

$rknumlow = $this->_GetInt4d($this->data, $spos + 6);

//for ($i=0; $i<8; $i++) { echo ord($this->data[$i+$spos+6]) . ” “; } echo “<br>”;

$sign = ($rknumhigh & 0×80000000) >> 31;

$exp =  ($rknumhigh & 0×7ff00000) >> 20;

$mantissa = (0×100000 | ($rknumhigh & 0×000fffff));

$mantissalow1 = ($rknumlow & 0×80000000) >> 31;

$mantissalow2 = ($rknumlow & 0×7fffffff);

$value = $mantissa / pow( 2 , (20- ($exp – 1023)));

if ($mantissalow1 != 0) $value += 1 / pow (2 , (21 – ($exp – 1023)));

$value += $mantissalow2 / pow (2 , (52 – ($exp – 1023)));

//echo “Sign = $sign, Exp = $exp, mantissahighx = $mantissa, mantissalow1 = $mantissalow1, mantissalow2 = $mantissalow2<br>\n”;

if ($sign) {$value = -1 * $value;}

return  $value;

}

function addcell($row, $col, $string, $raw = ”)

{

//echo “ADD cel $row-$col $string\n”;

$this->sheets[$this->sn]['maxrow'] = max($this->sheets[$this->sn]['maxrow'], $row + $this->_rowoffset);

$this->sheets[$this->sn]['maxcol'] = max($this->sheets[$this->sn]['maxcol'], $col + $this->_coloffset);

$this->sheets[$this->sn]['cells'][$row + $this->_rowoffset][$col + $this->_coloffset] = $string;

if ($raw)

$this->sheets[$this->sn]['cellsInfo'][$row + $this->_rowoffset][$col + $this->_coloffset]['raw'] = $raw;

if (isset($this->rectype))

$this->sheets[$this->sn]['cellsInfo'][$row + $this->_rowoffset][$col + $this->_coloffset]['type'] = $this->rectype;

}

function _GetIEEE754($rknum)

{

if (($rknum & 0×02) != 0) {

$value = $rknum >> 2;

} else {

//mmp

// first comment out the previously existing 7 lines of code here

//                $tmp = unpack(”d”, pack(”VV”, 0, ($rknum & 0xfffffffc)));

//                //$value = $tmp[''];

//                if (array_key_exists(1, $tmp)) {

//                    $value = $tmp[1];

//                } else {

//                    $value = $tmp[''];

//                }

// I got my info on IEEE754 encoding from

// http://research.microsoft.com/~hollasch/cgindex/coding/ieeefloat.html

// The RK format calls for using only the most significant 30 bits of the

// 64 bit floating point value. The other 34 bits are assumed to be 0

// So, we use the upper 30 bits of $rknum as follows…

$sign = ($rknum & 0×80000000) >> 31;

$exp = ($rknum & 0×7ff00000) >> 20;

$mantissa = (0×100000 | ($rknum & 0×000ffffc));

$value = $mantissa / pow( 2 , (20- ($exp – 1023)));

if ($sign) {$value = -1 * $value;}

//end of changes by mmp

}

if (($rknum & 0×01) != 0) {

$value /= 100;

}

return $value;

}

function _encodeUTF16($string)

{

$result = $string;

if ($this->_defaultEncoding){

switch ($this->_encoderFunction){

case ‘iconv’ :     $result = iconv(’UTF-16LE’, $this->_defaultEncoding, $string);

break;

case ‘mb_convert_encoding’ :     $result = mb_convert_encoding($string, $this->_defaultEncoding, ‘UTF-16LE’ );

break;

}

}

return $result;

}

function _GetInt4d($data, $pos)

{

$value = ord($data[$pos]) | (ord($data[$pos+1]) << 8) | (ord($data[$pos+2]) << 16) | (ord($data[$pos+3]) << 24);

if ($value>=4294967294)

{

$value=-2;

}

return $value;

}

}

/*

* Local variables:

* tab-width: 4

* c-basic-offset: 4

* c-hanging-comment-ender-p: nil

* End:

*/

?>

3.oleread.inc

<?php

define(’NUM_BIG_BLOCK_DEPOT_BLOCKS_POS’, 0×2c);

define(’SMALL_BLOCK_DEPOT_BLOCK_POS’, 0×3c);

define(’ROOT_START_BLOCK_POS’, 0×30);

define(’BIG_BLOCK_SIZE’, 0×200);

define(’SMALL_BLOCK_SIZE’, 0×40);

define(’EXTENSION_BLOCK_POS’, 0×44);

define(’NUM_EXTENSION_BLOCK_POS’, 0×48);

define(’PROPERTY_STORAGE_BLOCK_SIZE’, 0×80);

define(’BIG_BLOCK_DEPOT_BLOCKS_POS’, 0×4c);

define(’SMALL_BLOCK_THRESHOLD’, 0×1000);

// property storage offsets

define(’SIZE_OF_NAME_POS’, 0×40);

define(’TYPE_POS’, 0×42);

define(’START_BLOCK_POS’, 0×74);

define(’SIZE_POS’, 0×78);

define(’IDENTIFIER_OLE’, pack(”CCCCCCCC”,0xd0,0xcf,0×11,0xe0,0xa1,0xb1,0×1a,0xe1));

//echo ‘ROOT_START_BLOCK_POS = ‘.ROOT_START_BLOCK_POS.”\n”;

//echo bin2hex($data[ROOT_START_BLOCK_POS]).”\n”;

//echo “a=”;

//echo $data[ROOT_START_BLOCK_POS];

//function log

function GetInt4d($data, $pos)

{

$value = ord($data[$pos]) | (ord($data[$pos+1])       << 8) | (ord($data[$pos+2]) << 16) | (ord($data[$pos+3]) << 24);

if ($value>=4294967294)

{

$value=-2;

}

return $value;

}

class OLERead {

var $data = ”;

function OLERead(){

}

function read($sFileName){

// check if file exist and is readable (Darko Miljanovic)

if(!is_readable($sFileName)) {

$this->error = 1;

return false;

}

$this->data = @file_get_contents($sFileName);

if (!$this->data) {

$this->error = 1;

return false;

}

//echo IDENTIFIER_OLE;

//echo ’start’;

if (substr($this->data, 0, 8) != IDENTIFIER_OLE) {

$this->error = 1;

return false;

}

$this->numBigBlockDepotBlocks = GetInt4d($this->data, NUM_BIG_BLOCK_DEPOT_BLOCKS_POS);

$this->sbdStartBlock = GetInt4d($this->data, SMALL_BLOCK_DEPOT_BLOCK_POS);

$this->rootStartBlock = GetInt4d($this->data, ROOT_START_BLOCK_POS);

$this->extensionBlock = GetInt4d($this->data, EXTENSION_BLOCK_POS);

$this->numExtensionBlocks = GetInt4d($this->data, NUM_EXTENSION_BLOCK_POS);

/*

echo $this->numBigBlockDepotBlocks.” “;

echo $this->sbdStartBlock.” “;

echo $this->rootStartBlock.” “;

echo $this->extensionBlock.” “;

echo $this->numExtensionBlocks.” “;

*/

//echo “sbdStartBlock = $this->sbdStartBlock\n”;

$bigBlockDepotBlocks = array();

$pos = BIG_BLOCK_DEPOT_BLOCKS_POS;

// echo “pos = $pos”;

$bbdBlocks = $this->numBigBlockDepotBlocks;

if ($this->numExtensionBlocks != 0) {

$bbdBlocks = (BIG_BLOCK_SIZE – BIG_BLOCK_DEPOT_BLOCKS_POS)/4;

}

for ($i = 0; $i < $bbdBlocks; $i++) {

$bigBlockDepotBlocks[$i] = GetInt4d($this->data, $pos);

$pos += 4;

}

for ($j = 0; $j < $this->numExtensionBlocks; $j++) {

$pos = ($this->extensionBlock + 1) * BIG_BLOCK_SIZE;

$blocksToRead = min($this->numBigBlockDepotBlocks – $bbdBlocks, BIG_BLOCK_SIZE / 4 – 1);

for ($i = $bbdBlocks; $i < $bbdBlocks + $blocksToRead; $i++) {

$bigBlockDepotBlocks[$i] = GetInt4d($this->data, $pos);

$pos += 4;

}

$bbdBlocks += $blocksToRead;

if ($bbdBlocks < $this->numBigBlockDepotBlocks) {

$this->extensionBlock = GetInt4d($this->data, $pos);

}

}

// var_dump($bigBlockDepotBlocks);

// readBigBlockDepot

$pos = 0;

$index = 0;

$this->bigBlockChain = array();

for ($i = 0; $i < $this->numBigBlockDepotBlocks; $i++) {

$pos = ($bigBlockDepotBlocks[$i] + 1) * BIG_BLOCK_SIZE;

//echo “pos = $pos”;

for ($j = 0 ; $j < BIG_BLOCK_SIZE / 4; $j++) {

$this->bigBlockChain[$index] = GetInt4d($this->data, $pos);

$pos += 4 ;

$index++;

}

}

//var_dump($this->bigBlockChain);

//echo ‘=====2′;

// readSmallBlockDepot();

$pos = 0;

$index = 0;

$sbdBlock = $this->sbdStartBlock;

$this->smallBlockChain = array();

while ($sbdBlock != -2) {

$pos = ($sbdBlock + 1) * BIG_BLOCK_SIZE;

for ($j = 0; $j < BIG_BLOCK_SIZE / 4; $j++) {

$this->smallBlockChain[$index] = GetInt4d($this->data, $pos);

$pos += 4;

$index++;

}

$sbdBlock = $this->bigBlockChain[$sbdBlock];

}

// readData(rootStartBlock)

$block = $this->rootStartBlock;

$pos = 0;

$this->entry = $this->__readData($block);

/*

while ($block != -2)  {

$pos = ($block + 1) * BIG_BLOCK_SIZE;

$this->entry = $this->entry.substr($this->data, $pos, BIG_BLOCK_SIZE);

$block = $this->bigBlockChain[$block];

}

*/

//echo ‘===’.$this->entry.”===”;

$this->__readPropertySets();

}

function __readData($bl) {

$block = $bl;

$pos = 0;

$data = ”;

while ($block != -2)  {

$pos = ($block + 1) * BIG_BLOCK_SIZE;

$data = $data.substr($this->data, $pos, BIG_BLOCK_SIZE);

//echo “pos = $pos data=$data\n”;

$block = $this->bigBlockChain[$block];

}

return $data;

}

function __readPropertySets(){

$offset = 0;

//var_dump($this->entry);

while ($offset < strlen($this->entry)) {

$d = substr($this->entry, $offset, PROPERTY_STORAGE_BLOCK_SIZE);

$nameSize = ord($d[SIZE_OF_NAME_POS]) | (ord($d[SIZE_OF_NAME_POS+1]) << 8);

$type = ord($d[TYPE_POS]);

//$maxBlock = strlen($d) / BIG_BLOCK_SIZE – 1;

$startBlock = GetInt4d($d, START_BLOCK_POS);

$size = GetInt4d($d, SIZE_POS);

$name = ”;

for ($i = 0; $i < $nameSize ; $i++) {

$name .= $d[$i];

}

$name = str_replace(”\x00″, “”, $name);

$this->props[] = array (

‘name’ => $name,

‘type’ => $type,

’startBlock’ => $startBlock,

’size’ => $size);

if (($name == “Workbook”) || ($name == “Book”)) {

$this->wrkbook = count($this->props) – 1;

}

if ($name == “Root Entry”) {

$this->rootentry = count($this->props) – 1;

}

//echo “name ==$name=\n”;

$offset += PROPERTY_STORAGE_BLOCK_SIZE;

}

}

function getWorkBook(){

if ($this->props[$this->wrkbook]['size'] < SMALL_BLOCK_THRESHOLD){

//            getSmallBlockStream(PropertyStorage ps)

$rootdata = $this->__readData($this->props[$this->rootentry]['startBlock']);

$streamData = ”;

$block = $this->props[$this->wrkbook]['startBlock'];

//$count = 0;

$pos = 0;

while ($block != -2) {

$pos = $block * SMALL_BLOCK_SIZE;

$streamData .= substr($rootdata, $pos, SMALL_BLOCK_SIZE);

$block = $this->smallBlockChain[$block];

}

return $streamData;

}else{

$numBlocks = $this->props[$this->wrkbook]['size'] / BIG_BLOCK_SIZE;

if ($this->props[$this->wrkbook]['size'] % BIG_BLOCK_SIZE != 0) {

$numBlocks++;

}

if ($numBlocks == 0) return ”;

//echo “numBlocks = $numBlocks\n”;

//byte[] streamData = new byte[numBlocks * BIG_BLOCK_SIZE];

//print_r($this->wrkbook);

$streamData = ”;

$block = $this->props[$this->wrkbook]['startBlock'];

//$count = 0;

$pos = 0;

//echo “block = $block”;

while ($block != -2) {

$pos = ($block + 1) * BIG_BLOCK_SIZE;

$streamData .= substr($this->data, $pos, BIG_BLOCK_SIZE);

$block = $this->bigBlockChain[$block];

}

//echo ’stream’.$streamData;

return $streamData;

}

}

}

?>