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php+excel通用成绩查询系统 手机网页sae版

程序员文章站 2022-05-06 15:01:07
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1. index.php

<?php include "inc/conn.php";?><?php include "inc/excel.php";?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0"/>
<meta name="apple-mobile-web-app-capable" content="yes" />
<title><?php echo $title;?></title>
<script type="text/javascript" src="inc/js/ajax_wap.js"></script>
<link href="inc/css/wap.css" rel="stylesheet" type="text/css" />
<body onLoad="inst();">
<p class="sub_bod"></p>
<p class="sub_top">
    <p class="title"><?php echo $title;?></p>
    <p class="back" id="pageback"><a href="index.php" class="d">返回</a></p> 
    <!---<p class="menu" id="topmenus"><a href="admin/" class="d">后台</a></p>--->
</p><p class="main">
<?php
$stime=microtime(true);
$codes = trim($_POST['code']);
$shujus = trim($_POST['time']);
$shuru1 = trim($_POST['name']);
 
if(!$shujus){
?>
<form name="queryForm" method="post" class="" action="" onsubmit="return startRequest(0);">
<p class="select" id="10">
<select name="time" id="time" onBlur="startRequest(1)" />
<?php traverse($UpDir."/",$filephp);?></select>
</p>
<p class="so_box" id="11">
<input name="name" type="text" class="txts" id="name" value="" onfocus="this.value=''" onBlur="startRequest(2)" />
</p>
<p class="so_box" id="33">
<input name="code" type="text" class="txts" id="code" onfocus="this.value=''" onBlur="startRequest(3)" />
<p class="more" id="clearkey">
<img src="inc/code.php?t=<?php echo date("Y-m-d-H-i-s",time());?>" id="Codes" onClick="this.src='inc/code.php?t='+new Date();"/>
</p></p>
<p class="so_boxes">
<input type="submit" name="button" class="buts" id="sub" value="立即查询" />
</p>
<p class="so_boxed" id="tishi">说明:【<?php echo $tiaojian1;?>+验证码】都输入正确才显示相应结果。</p>
<p id="tishi1" style="display:none;">请认真输入你的<?php echo $tiaojian1;?></p>
<p id="tishi4" style="display:none;">认真输入4数字验证码</p>
</form>
<?php
}else{
 
session_start();
if($codes!=$_SESSION['PHP_M2T']){
 webalert("请正确输入验证码!");
}
 
if(!$shuru1){
 webalert("请输入$tiaojian1!");
}
 
$files = charaget($UpDir."/".$shujus.$filephp);
if(!file_exists($files)){
 webalert('请检查数据库文件');
}else{
 echo '<p align="center"> ';
 echo $shujus;
 echo '</p>';
}
$data = new Spreadsheet_Excel_Reader();
$data->setOutputEncoding('UTF-8');
$data->read($files);
for ($i = 1; $i <= $data->sheets[0]['numRows']; $i++) {
 if($i=="1"){
 $iaa="";
for ($j = 1; $j <= $data->sheets[0]['numCols']; $j++) {
$taba = ''.$data->sheets[0]['cells'][$i][$j].'';
     $io++;
    if($taba==$tiaojian1){
      $iaa=$io-1;
    }
}
 }else{
 $Excelx=$data->sheets[0]['cells'][$i][$iaa+1];
if("_".$shuru1=="_".$Excelx){
 $iae++;
echo '<!--startprint--><table cellspacing="0">';
echo '<caption align="center">查询结果' . $iae . '</caption>';
echo '';
for ($j = 1; $j <= $data->sheets[0]['numCols']; $j++) {
 $tabe = ''.$data->sheets[0]['cells']['1'][$j].'';
$tabu = ''.$data->sheets[0]['cells'][$i][$j].'';
 echo '<tr>';
 echo '<td class="r">'.$tabe.'</td>';
 echo '<td class="span">'.$tabu.'</td>';
 echo '</tr>';
 }
echo '';
echo '</table>';
}
}
}
if($iae<1){
    echo '<table cellspacing="0"><tr>';
        echo "<td colspan=2>没有查询到 $shujus 中 $shuru1 相关信息哦</td>";
    echo '</tr></table>';
}
echo '<!--endprint-->';
fclose($filer);
?><p class="so_boxes"><input type="button" value="返 回" class="buts" onclick="location.href='index.php';" id="reset"></p>
<?PHP
}
$etime=microtime(true);//获取程序执行结束的时间
$total=$etime-$stime;   //计算差值
echo "<!----页面执行时间:{$total} ]秒--->";
?></p>
<p class="foot">
  <p class="title">
    <span>&copy;<?php echo date('Y');?>&nbsp;<a href="http://aiyaha.taobao.com/" target="_blank">技术支持</a>  <a href="<?php echo $copyu;?>" target="_blank"><?php echo $copyr;?></a></span>
  </p>
</p>
</body>
</html>


2. conn.php

<?php
error_reporting(0);
header("content-Type: text/html; charset=UTF-8");  //输出编码GBK
 
//设置好以下三项查询条件,得都输入
$tiaojian1="姓名";            //查询条件1列标题,跟excel列头一致,注意无空格;
$UpDir="shujukufangzheli";          //设置数据库所在目录(文件夹名称)请修改,修改后更名对应文件夹。
$title="某某中学成绩查询系统";            //设置查询标题,相信你懂的。
$copyr="某某中学";              //设置底部版权文字,相信你懂的。
$copyu="http://www.96448.cn/";          //设置底部版权连接,相信你懂的。
 
 
 
/*
//  「SAE」免费注册地址:http://t.cn/R4QorPE (免费空间,免费二级域名,免备案)
//  *************************
//  作者主页:http://12391.net
//  作者邮箱:admin@e*.net
//  作者网店:https://aiyaha.taobao.com/
 
//  本店宝贝导航
//  成绩工资水电费通用查询系统解决方案:
  
//  方案3(荐):微信公众号一对一绑定才可以查询工资、成绩、水电费等
//  自助开通试用:http://add.96cha.com/
//  代码购买:https://item.taobao.com/item.htm?id=44248394675
//  整体服务:https://item.taobao.com/item.htm?id=528187132312
  
//  方案2(荐):用户在线登录查询工资成绩水电费等,可自助修改密码
//  自助开通试用:http://add.dbcha.com/
//  代码购买:https://item.taobao.com/item.htm?id=43193387085
//  整体服务:https://item.taobao.com/item.htm?id=528108807297
  
//  方案1:直接通过设定的(1-3个)查询条件查询
//  自助开通试用:http://add.12391.net/ (免费)
//  代码购买:https://item.taobao.com/item.htm?id=528692002051
//  整体服务:https://item.taobao.com/item.htm?id=520023732507
  
//  成绩工资水电费通用查询系统其他方案:
  
//  asp无需后台版(12款): https://item.taobao.com/item.htm?id=45703415332
//  PHP无需后台版(12款):https://item.taobao.com/item.htm?id=45808268273
//  PHP多级下拉版(8款):https://item.taobao.com/item.htm?id=43263796985
//  公众号回复简易版: https://item.taobao.com/item.htm?id=520496908275
//  公众号回复后台简易版即时开通体验: http://new.12391.net
  
//  模糊查询系统解决方案(超过8款):
//  https://item.taobao.com/item.htm?id=520167788658
  
//  网店发货查询系统后台导入通用版网页版加微信自动回复机器人查询
//  即时开通试用:http://add.mabida.cn:1111/
//  整体服务:https://item.taobao.com/item.htm?id=528166721835
//  源码购买:https://item.taobao.com/item.htm?id=44194950836
 
//  农产品质量溯源查询系统 二维码防伪查询微信防伪查询
//  即时开通试用:http://add.mabida.cn/
//  整体服务:https://item.taobao.com/item.htm?id=43525422046
//  源码购买:https://item.taobao.com/item.htm?id=43525422046
 
//  #####以上无需修改但有用注意查看哦######
*/
 
$filephp=".xls";            //数据库文件后缀不要修改
function charaget($data){
  if(!empty($data) ){   
    $fileType = mb_detect_encoding($data , array('UTF-8','GBK','LATIN1','BIG5')) ;  
    if( $fileType != 'UTF-8'){  
      $data = mb_convert_encoding($data ,'utf-8' , $fileType);  
    }  
  }  
  return $data;   
}
//  方案1:直接通过设定的(1-3个)查询条件查询
//  自助开通试用:http://add.12391.net/
//  代码购买:https://item.taobao.com/item.htm?id=528692002051
//  整体服务:https://item.taobao.com/item.htm?id=520023732507
function characet($data){
  if(!empty($data) ){   
    $fileType = mb_detect_encoding($data , array('UTF-8','GBK','LATIN1','BIG5')) ;  
    if( $fileType != 'GBK'){  
      $data = mb_convert_encoding($data ,'GBK' , $fileType);  
    }  
  }  
  return $data;   
}
function webalert($Key){
 $html="<script>\r\n";
 $html.="alert('".$Key."');\r\n";
 $html.="history.go(-1);\r\n";
 $html.="</script>";
 exit($html);
}
function traverse($path = '.',$filephp) {
 $current_dir = opendir($path);    //opendir()返回一个目录句柄,失败返回false
 while(($file = readdir($current_dir)) !== false) {    //readdir()返回打开目录句柄中的一个条目
 $sub_dir = $path . DIRECTORY_SEPARATOR . $file;    //构建子目录路径
 if($file == '.' || $file == '..') {
 //continue;
 } else if(is_dir($sub_dir)) {    //如果是目录,进行递归
 //echo 'Directory ' . $file . ':<br>';
 //traverse($sub_dir);
 } else {    //如果是文件,直接输出
 // echo 'File in Directory ' . $path . ': ' . $file . '<br>';
 $file = str_replace($filephp,"",$file);    //文件名除了后缀,不要包含.php
 echo '<option value="'.charaget($file).'">' . charaget($file) . '</option>';
 }
 }
}
 
function fileline1($path = '.') {
$data = new Spreadsheet_Excel_Reader();
$data->setOutputEncoding('UTF-8');
$data->read($path);
for ($j = 1; $j <= $data->sheets[0]['numCols']; $j++) {
$str .= ''.$data->sheets[0]['cells']['1'][$j].'';
}
$str = iconv('UTF-8', 'GB2312', $str);
   return $str;
}
 
function get_file_line( $file_name, $line ){
  $n = 0;
  $handle = fopen($file_name,'r');
  if ($handle) {
    while (!feof($handle)) {
        ++$n;
        $out = fgets($handle, 4096);
        if($line==$n) break;
    }
    fclose($handle);
  }
  if( $line==$n) return $out;
  return false;
}
 
?>

3. excel.php

<?php
define('NUM_BIG_BLOCK_DEPOT_BLOCKS_POS', 0x2c);
define('SMALL_BLOCK_DEPOT_BLOCK_POS', 0x3c);
define('ROOT_START_BLOCK_POS', 0x30);
define('BIG_BLOCK_SIZE', 0x200);
define('SMALL_BLOCK_SIZE', 0x40);
define('EXTENSION_BLOCK_POS', 0x44);
define('NUM_EXTENSION_BLOCK_POS', 0x48);
define('PROPERTY_STORAGE_BLOCK_SIZE', 0x80);
define('BIG_BLOCK_DEPOT_BLOCKS_POS', 0x4c);
define('SMALL_BLOCK_THRESHOLD', 0x1000);
// property storage offsets
define('SIZE_OF_NAME_POS', 0x40);
define('TYPE_POS', 0x42);
define('START_BLOCK_POS', 0x74);
define('SIZE_POS', 0x78);
define('IDENTIFIER_OLE', pack("CCCCCCCC",0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1));


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;
}

function gmgetdate($ts = null){
    $k = array('seconds','minutes','hours','mday','wday','mon','year','yday','weekday','month',0);
    return(array_comb($k,split(":",gmdate('s:i:G:j:w:n:Y:z:l:F:U',is_null($ts)?time():$ts))));
}

// Added for PHP4 compatibility
function array_comb($array1, $array2) {
    $out = array();
    foreach ($array1 as $key => $value) {
        $out[$value] = $array2[$key];
    }
    return $out;
}

function v($data,$pos) {
    return ord($data[$pos]) | ord($data[$pos+1])<<8;
}

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) {
            $this->error = 1;
            return false;
        }
        if (substr($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);

        $bigBlockDepotBlocks = array();
        $pos = BIG_BLOCK_DEPOT_BLOCKS_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);
            }
        }

        // 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++;
            }
        }

        // 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);
        $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);
            $block = $this->bigBlockChain[$block];
        }
        return $data;
    }

    function __readPropertySets(){
        $offset = 0;
        while ($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]);
            $startBlock = GetInt4d($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' => $size);
            if ((strtolower($name) == "workbook") || ( strtolower($name) == "book")) {
                $this->wrkbook = count($this->props) - 1;
            }
            if ($name == "Root Entry") {
                $this->rootentry = count($this->props) - 1;
            }
            $offset += PROPERTY_STORAGE_BLOCK_SIZE;
        }

    }


    function getWorkBook(){
        if ($this->props[$this->wrkbook]['size'] < SMALL_BLOCK_THRESHOLD){
            $rootdata = $this->__readData($this->props[$this->rootentry]['startBlock']);
            $streamData = '';
            $block = $this->props[$this->wrkbook]['startBlock'];
            $pos = 0;
            while ($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 '';
            $streamData = '';
             $block = $this->props[$this->wrkbook]['startBlock'];
            $pos = 0;
            while ($block != -2) {
                $pos = ($block + 1) * BIG_BLOCK_SIZE;
                $streamData .= substr($this->data, $pos, BIG_BLOCK_SIZE);
                $block = $this->bigBlockChain[$block];
            }
            return $streamData;
        }
    }

}

define('SPREADSHEET_EXCEL_READER_BIFF8',          0x600);
define('SPREADSHEET_EXCEL_READER_BIFF7',          0x500);
define('SPREADSHEET_EXCEL_READER_WORKBOOKGLOBALS',   0x5);
define('SPREADSHEET_EXCEL_READER_WORKSHEET',       0x10);
define('SPREADSHEET_EXCEL_READER_TYPE_BOF',         0x809);
define('SPREADSHEET_EXCEL_READER_TYPE_EOF',         0x0a);
define('SPREADSHEET_EXCEL_READER_TYPE_BOUNDSHEET',   0x85);
define('SPREADSHEET_EXCEL_READER_TYPE_DIMENSION',  0x200);
define('SPREADSHEET_EXCEL_READER_TYPE_ROW',         0x208);
define('SPREADSHEET_EXCEL_READER_TYPE_DBCELL',    0xd7);
define('SPREADSHEET_EXCEL_READER_TYPE_FILEPASS',    0x2f);
define('SPREADSHEET_EXCEL_READER_TYPE_NOTE',       0x1c);
define('SPREADSHEET_EXCEL_READER_TYPE_TXO',         0x1b6);
define('SPREADSHEET_EXCEL_READER_TYPE_RK',       0x7e);
define('SPREADSHEET_EXCEL_READER_TYPE_RK2',         0x27e);
define('SPREADSHEET_EXCEL_READER_TYPE_MULRK',     0xbd);
define('SPREADSHEET_EXCEL_READER_TYPE_MULBLANK',    0xbe);
define('SPREADSHEET_EXCEL_READER_TYPE_INDEX',     0x20b);
define('SPREADSHEET_EXCEL_READER_TYPE_SST',         0xfc);
define('SPREADSHEET_EXCEL_READER_TYPE_EXTSST',    0xff);
define('SPREADSHEET_EXCEL_READER_TYPE_CONTINUE',    0x3c);
define('SPREADSHEET_EXCEL_READER_TYPE_LABEL',     0x204);
define('SPREADSHEET_EXCEL_READER_TYPE_LABELSST',    0xfd);
define('SPREADSHEET_EXCEL_READER_TYPE_NUMBER',    0x203);
define('SPREADSHEET_EXCEL_READER_TYPE_NAME',       0x18);
define('SPREADSHEET_EXCEL_READER_TYPE_ARRAY',     0x221);
define('SPREADSHEET_EXCEL_READER_TYPE_STRING',    0x207);
define('SPREADSHEET_EXCEL_READER_TYPE_FORMULA',      0x406);
define('SPREADSHEET_EXCEL_READER_TYPE_FORMULA2',    0x6);
define('SPREADSHEET_EXCEL_READER_TYPE_FORMAT',    0x41e);
define('SPREADSHEET_EXCEL_READER_TYPE_XF',       0xe0);
define('SPREADSHEET_EXCEL_READER_TYPE_BOOLERR',      0x205);
define('SPREADSHEET_EXCEL_READER_TYPE_FONT',     0x0031);
define('SPREADSHEET_EXCEL_READER_TYPE_PALETTE',      0x0092);
define('SPREADSHEET_EXCEL_READER_TYPE_UNKNOWN',      0xffff);
define('SPREADSHEET_EXCEL_READER_TYPE_NINETEENFOUR', 0x22);
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_TYPE_HYPER',       0x01b8);
define('SPREADSHEET_EXCEL_READER_TYPE_COLINFO',         0x7d);
define('SPREADSHEET_EXCEL_READER_TYPE_DEFCOLWIDTH',  0x55);
define('SPREADSHEET_EXCEL_READER_TYPE_STANDARDWIDTH', 0x99);
define('SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT',  "%s");


/*
* Main Class
*/
class Spreadsheet_Excel_Reader {

    // MK: Added to make data retrieval easier
    var $colnames = array();
    var $colindexes = array();
    var $standardColWidth = 0;
    var $defaultColWidth = 0;

    function myHex($d) {
        if ($d < 16) return "0" . dechex($d);
        return dechex($d);
    }

    function dumpHexData($data, $pos, $length) {
        $info = "";
        for ($i = 0; $i <= $length; $i++) {
            $info .= ($i==0?"":" ") . $this->myHex(ord($data[$pos + $i])) . (ord($data[$pos + $i])>31? "[" . $data[$pos + $i] . "]":'');
        }
        return $info;
    }

    function getCol($col) {
        if (is_string($col)) {
            $col = strtolower($col);
            if (array_key_exists($col,$this->colnames)) {
                $col = $this->colnames[$col];
            }
        }
        return $col;
    }

    // PUBLIC API FUNCTIONS
    // --------------------

    function val($row,$col,$sheet=0) {
        $col = $this->getCol($col);
        if (array_key_exists($row,$this->sheets[$sheet]['cells']) && array_key_exists($col,$this->sheets[$sheet]['cells'][$row])) {
            return $this->sheets[$sheet]['cells'][$row][$col];
        }
        return "";
    }
    function value($row,$col,$sheet=0) {
        return $this->val($row,$col,$sheet);
    }
    function info($row,$col,$type='',$sheet=0) {
        $col = $this->getCol($col);
        if (array_key_exists('cellsInfo',$this->sheets[$sheet])
            && array_key_exists($row,$this->sheets[$sheet]['cellsInfo'])
            && array_key_exists($col,$this->sheets[$sheet]['cellsInfo'][$row])
            && array_key_exists($type,$this->sheets[$sheet]['cellsInfo'][$row][$col])) {
            return $this->sheets[$sheet]['cellsInfo'][$row][$col][$type];
        }
        return "";
    }
    function type($row,$col,$sheet=0) {
        return $this->info($row,$col,'type',$sheet);
    }
    function raw($row,$col,$sheet=0) {
        return $this->info($row,$col,'raw',$sheet);
    }
    function rowspan($row,$col,$sheet=0) {
        $val = $this->info($row,$col,'rowspan',$sheet);
        if ($val=="") { return 1; }
        return $val;
    }
    function colspan($row,$col,$sheet=0) {
        $val = $this->info($row,$col,'colspan',$sheet);
        if ($val=="") { return 1; }
        return $val;
    }
    function hyperlink($row,$col,$sheet=0) {
        $link = $this->sheets[$sheet]['cellsInfo'][$row][$col]['hyperlink'];
        if ($link) {
            return $link['link'];
        }
        return '';
    }
    function rowcount($sheet=0) {
        return $this->sheets[$sheet]['numRows'];
    }
    function colcount($sheet=0) {
        return $this->sheets[$sheet]['numCols'];
    }
    function colwidth($col,$sheet=0) {
        // Col width is actually the width of the number 0. So we have to estimate and come close
        return $this->colInfo[$sheet][$col]['width']/9142*200;
    }
    function colhidden($col,$sheet=0) {
        return !!$this->colInfo[$sheet][$col]['hidden'];
    }
    function rowheight($row,$sheet=0) {
        return $this->rowInfo[$sheet][$row]['height'];
    }
    function rowhidden($row,$sheet=0) {
        return !!$this->rowInfo[$sheet][$row]['hidden'];
    }

    // GET THE CSS FOR FORMATTING
    // ==========================
    function style($row,$col,$sheet=0,$properties='') {
        $css = "";
        $font=$this->font($row,$col,$sheet);
        if ($font!="") {
            $css .= "font-family:$font;";
        }
        $align=$this->align($row,$col,$sheet);
        if ($align!="") {
            $css .= "text-align:$align;";
        }
        $height=$this->height($row,$col,$sheet);
        if ($height!="") {
            $css .= "font-size:$height"."px;";
        }
        $bgcolor=$this->bgColor($row,$col,$sheet);
        if ($bgcolor!="") {
            $bgcolor = $this->colors[$bgcolor];
            $css .= "background-color:$bgcolor;";
        }
        $color=$this->color($row,$col,$sheet);
        if ($color!="") {
            $css .= "color:$color;";
        }
         $bold=$this->bold($row,$col,$sheet);
    if ($bold) {
        $css .= "font-weight:bold;";
    }
    $italic=$this->italic($row,$col,$sheet);
    if ($italic) {
        $css .= "font-style:italic;";
    }
    $underline=$this->underline($row,$col,$sheet);
    if ($underline) {
        $css .= "text-decoration:underline;";
    }
    // Borders
    $bLeft = $this->borderLeft($row,$col,$sheet);
    $bRight = $this->borderRight($row,$col,$sheet);
    $bTop = $this->borderTop($row,$col,$sheet);
    $bBottom = $this->borderBottom($row,$col,$sheet);
    $bLeftCol = $this->borderLeftColor($row,$col,$sheet);
    $bRightCol = $this->borderRightColor($row,$col,$sheet);
    $bTopCol = $this->borderTopColor($row,$col,$sheet);
    $bBottomCol = $this->borderBottomColor($row,$col,$sheet);
    // Try to output the minimal required style
    if ($bLeft!="" && $bLeft==$bRight && $bRight==$bTop && $bTop==$bBottom) {
        $css .= "border:" . $this->lineStylesCss[$bLeft] .";";
    }
    else {
        if ($bLeft!="") { $css .= "border-left:" . $this->lineStylesCss[$bLeft] .";"; }
        if ($bRight!="") { $css .= "border-right:" . $this->lineStylesCss[$bRight] .";"; }
        if ($bTop!="") { $css .= "border-top:" . $this->lineStylesCss[$bTop] .";"; }
        if ($bBottom!="") { $css .= "border-bottom:" . $this->lineStylesCss[$bBottom] .";"; }
    }
    // Only output border colors if there is an actual border specified
    if ($bLeft!="" && $bLeftCol!="") { $css .= "border-left-color:" . $bLeftCol .";"; }
    if ($bRight!="" && $bRightCol!="") { $css .= "border-right-color:" . $bRightCol .";"; }
    if ($bTop!="" && $bTopCol!="") { $css .= "border-top-color:" . $bTopCol . ";"; }
    if ($bBottom!="" && $bBottomCol!="") { $css .= "border-bottom-color:" . $bBottomCol .";"; }

    return $css;
}

// FORMAT PROPERTIES
// =================
function format($row,$col,$sheet=0) {
    return $this->info($row,$col,'format',$sheet);
}
function formatIndex($row,$col,$sheet=0) {
    return $this->info($row,$col,'formatIndex',$sheet);
}
function formatColor($row,$col,$sheet=0) {
    return $this->info($row,$col,'formatColor',$sheet);
}

// CELL (XF) PROPERTIES
// ====================
function xfRecord($row,$col,$sheet=0) {
    $xfIndex = $this->info($row,$col,'xfIndex',$sheet);
    if ($xfIndex!="") {
        return $this->xfRecords[$xfIndex];
    }
    return null;
}
function xfProperty($row,$col,$sheet,$prop) {
    $xfRecord = $this->xfRecord($row,$col,$sheet);
    if ($xfRecord!=null) {
        return $xfRecord[$prop];
    }
    return "";
}
function align($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'align');
}
function bgColor($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'bgColor');
}
function borderLeft($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'borderLeft');
}
function borderRight($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'borderRight');
}
function borderTop($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'borderTop');
}
function borderBottom($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'borderBottom');
}
function borderLeftColor($row,$col,$sheet=0) {
    return $this->colors[$this->xfProperty($row,$col,$sheet,'borderLeftColor')];
}
function borderRightColor($row,$col,$sheet=0) {
    return $this->colors[$this->xfProperty($row,$col,$sheet,'borderRightColor')];
}
function borderTopColor($row,$col,$sheet=0) {
    return $this->colors[$this->xfProperty($row,$col,$sheet,'borderTopColor')];
}
function borderBottomColor($row,$col,$sheet=0) {
    return $this->colors[$this->xfProperty($row,$col,$sheet,'borderBottomColor')];
}

// FONT PROPERTIES
// ===============
function fontRecord($row,$col,$sheet=0) {
    $xfRecord = $this->xfRecord($row,$col,$sheet);
    if ($xfRecord!=null) {
        $font = $xfRecord['fontIndex'];
        if ($font!=null) {
            return $this->fontRecords[$font];
        }
    }
    return null;
}
function fontProperty($row,$col,$sheet=0,$prop) {
    $font = $this->fontRecord($row,$col,$sheet);
    if ($font!=null) {
        return $font[$prop];
    }
    return false;
}
function fontIndex($row,$col,$sheet=0) {
    return $this->xfProperty($row,$col,$sheet,'fontIndex');
}
function color($row,$col,$sheet=0) {
    $formatColor = $this->formatColor($row,$col,$sheet);
    if ($formatColor!="") {
        return $formatColor;
    }
    $ci = $this->fontProperty($row,$col,$sheet,'color');
    return $this->rawColor($ci);
}
function rawColor($ci) {
    if (($ci <> 0x7FFF) && ($ci <> '')) {
        return $this->colors[$ci];
    }
    return "";
}
function bold($row,$col,$sheet=0) {
    return $this->fontProperty($row,$col,$sheet,'bold');
}
function italic($row,$col,$sheet=0) {
    return $this->fontProperty($row,$col,$sheet,'italic');
}
function underline($row,$col,$sheet=0) {
    return $this->fontProperty($row,$col,$sheet,'under');
}
function height($row,$col,$sheet=0) {
    return $this->fontProperty($row,$col,$sheet,'height');
}
function font($row,$col,$sheet=0) {
    return $this->fontProperty($row,$col,$sheet,'font');
}

// DUMP AN HTML TABLE OF THE ENTIRE XLS DATA
// =========================================
function dump($row_numbers=false,$col_letters=false,$sheet=0,$table_class='excel') {
    $out = "<table class=\"$table_class\" cellspacing=0>";
    if ($col_letters) {
        $out .= "<thead>\n\t<tr>";
        if ($row_numbers) {
            $out .= "\n\t\t<th>&nbsp</th>";
        }
        for($i=1;$i<=$this->colcount($sheet);$i++) {
            $style = "width:" . ($this->colwidth($i,$sheet)*1) . "px;";
            if ($this->colhidden($i,$sheet)) {
                $style .= "display:none;";
            }
            $out .= "\n\t\t<th style=\"$style\">" . strtoupper($this->colindexes[$i]) . "</th>";
        }
        $out .= "</tr></thead>\n";
    }

    $out .= "<tbody>\n";
    for($row=1;$row<=$this->rowcount($sheet);$row++) {
        $rowheight = $this->rowheight($row,$sheet);
        $style = "height:" . ($rowheight*(4/3)) . "px;";
        if ($this->rowhidden($row,$sheet)) {
            $style .= "display:none;";
        }
        $out .= "\n\t<tr style=\"$style\">";
        if ($row_numbers) {
            $out .= "\n\t\t<th>$row</th>";
        }
        for($col=1;$col<=$this->colcount($sheet);$col++) {
            // Account for Rowspans/Colspans
            $rowspan = $this->rowspan($row,$col,$sheet);
            $colspan = $this->colspan($row,$col,$sheet);
            for($i=0;$i<$rowspan;$i++) {
                for($j=0;$j<$colspan;$j++) {
                    if ($i>0 || $j>0) {
                        $this->sheets[$sheet]['cellsInfo'][$row+$i][$col+$j]['dontprint']=1;
                    }
                }
            }
            if(!$this->sheets[$sheet]['cellsInfo'][$row][$col]['dontprint']) {
                $style = $this->style($row,$col,$sheet);
                if ($this->colhidden($col,$sheet)) {
                    $style .= "display:none;";
                }
                $out .= "\n\t\t<td style=\"$style\"" . ($colspan > 1?" colspan=$colspan":"") . ($rowspan > 1?" rowspan=$rowspan":"") . ">";
                $val = $this->val($row,$col,$sheet);
                if ($val=='') { $val="&nbsp;"; }
                else {
                    $val = htmlentities($val);
                    $link = $this->hyperlink($row,$col,$sheet);
                    if ($link!='') {
                        $val = "<a href=\"$link\">$val</a>";
                    }
                }
                $out .= "<nobr>".nl2br($val)."</nobr>";
                $out .= "</td>";
            }
        }
        $out .= "</tr>\n";
    }
    $out .= "</tbody></table>";
    return $out;
}

// --------------
// END PUBLIC API


var $boundsheets = array();
var $formatRecords = array();
var $fontRecords = array();
var $xfRecords = array();
var $colInfo = array();
var $rowInfo = array();

var $sst = array();
var $sheets = array();

var $data;
var $_ole;
var $_defaultEncoding = "gb2312";
var $_defaultFormat = SPREADSHEET_EXCEL_READER_DEF_NUM_FORMAT;
var $_columnsFormat = array();
var $_rowoffset = 1;
var $_coloffset = 1;

/**
 * List of default date formats used by Excel
 */
 var $dateFormats = array (
    0xe => "m/d/Y",
    0xf => "M-d-Y",
    0x10 => "d-M",
    0x11 => "M-Y",
    0x12 => "h:i a",
    0x13 => "h:i:s a",
    0x14 => "H:i",
    0x15 => "H:i:s",
    0x16 => "d/m/Y H:i",
    0x2d => "i:s",
    0x2e => "H:i:s",
    0x2f => "i:s.S"
);

/**
 * Default number formats used by Excel
 */
var $numberFormats = array(
    0x1 => "0",
    0x2 => "0.00",
    0x3 => "#,##0",
    0x4 => "#,##0.00",
    0x5 => "\$#,##0;(\$#,##0)",
    0x6 => "\$#,##0;[Red](\$#,##0)",
    0x7 => "\$#,##0.00;(\$#,##0.00)",
    0x8 => "\$#,##0.00;[Red](\$#,##0.00)",
    0x9 => "0%",
    0xa => "0.00%",
    0xb => "0.00E+00",
    0x25 => "#,##0;(#,##0)",
    0x26 => "#,##0;[Red](#,##0)",
    0x27 => "#,##0.00;(#,##0.00)",
    0x28 => "#,##0.00;[Red](#,##0.00)",
    0x29 => "#,##0;(#,##0)",  // Not exactly
    0x2a => "\$#,##0;(\$#,##0)",  // Not exactly
    0x2b => "#,##0.00;(#,##0.00)",  // Not exactly
    0x2c => "\$#,##0.00;(\$#,##0.00)",  // Not exactly
    0x30 => "##0.0E+0"
);

var $colors = Array(
    0x00 => "#000000",
    0x01 => "#FFFFFF",
    0x02 => "#FF0000",
    0x03 => "#00FF00",
    0x04 => "#0000FF",
    0x05 => "#FFFF00",
    0x06 => "#FF00FF",
    0x07 => "#00FFFF",
    0x08 => "#000000",
    0x09 => "#FFFFFF",
    0x0A => "#FF0000",
    0x0B => "#00FF00",
    0x0C => "#0000FF",
    0x0D => "#FFFF00",
    0x0E => "#FF00FF",
    0x0F => "#00FFFF",
    0x10 => "#800000",
    0x11 => "#008000",
    0x12 => "#000080",
    0x13 => "#808000",
    0x14 => "#800080",
    0x15 => "#008080",
    0x16 => "#C0C0C0",
    0x17 => "#808080",
    0x18 => "#9999FF",
    0x19 => "#993366",
    0x1A => "#FFFFCC",
    0x1B => "#CCFFFF",
    0x1C => "#660066",
    0x1D => "#FF8080",
    0x1E => "#0066CC",
    0x1F => "#CCCCFF",
    0x20 => "#000080",
    0x21 => "#FF00FF",
    0x22 => "#FFFF00",
    0x23 => "#00FFFF",
    0x24 => "#800080",
    0x25 => "#800000",
    0x26 => "#008080",
    0x27 => "#0000FF",
    0x28 => "#00CCFF",
    0x29 => "#CCFFFF",
    0x2A => "#CCFFCC",
    0x2B => "#FFFF99",
    0x2C => "#99CCFF",
    0x2D => "#FF99CC",
    0x2E => "#CC99FF",
    0x2F => "#FFCC99",
    0x30 => "#3366FF",
    0x31 => "#33CCCC",
    0x32 => "#99CC00",
    0x33 => "#FFCC00",
    0x34 => "#FF9900",
    0x35 => "#FF6600",
    0x36 => "#666699",
    0x37 => "#969696",
    0x38 => "#003366",
    0x39 => "#339966",
    0x3A => "#003300",
    0x3B => "#333300",
    0x3C => "#993300",
    0x3D => "#993366",
    0x3E => "#333399",
    0x3F => "#333333",
    0x40 => "#000000",
    0x41 => "#FFFFFF",

    0x43 => "#000000",
    0x4D => "#000000",
    0x4E => "#FFFFFF",
    0x4F => "#000000",
    0x50 => "#FFFFFF",
    0x51 => "#000000",

    0x7FFF => "#000000"
);

var $lineStyles = array(
    0x00 => "",
    0x01 => "Thin",
    0x02 => "Medium",
    0x03 => "Dashed",
    0x04 => "Dotted",
    0x05 => "Thick",
    0x06 => "Double",
    0x07 => "Hair",
    0x08 => "Medium dashed",
    0x09 => "Thin dash-dotted",
    0x0A => "Medium dash-dotted",
    0x0B => "Thin dash-dot-dotted",
    0x0C => "Medium dash-dot-dotted",
    0x0D => "Slanted medium dash-dotted"
);

var $lineStylesCss = array(
    "Thin" => "1px solid",
    "Medium" => "2px solid",
    "Dashed" => "1px dashed",
    "Dotted" => "1px dotted",
    "Thick" => "3px solid",
    "Double" => "double",
    "Hair" => "1px solid",
    "Medium dashed" => "2px dashed",
    "Thin dash-dotted" => "1px dashed",
    "Medium dash-dotted" => "2px dashed",
    "Thin dash-dot-dotted" => "1px dashed",
    "Medium dash-dot-dotted" => "2px dashed",
    "Slanted medium dash-dotte" => "2px dashed"
);

function read16bitstring($data, $start) {
    $len = 0;
    while (ord($data[$start + $len]) + ord($data[$start + $len + 1]) > 0) $len++;
    return substr($data, $start, $len);
}

// ADDED by Matt Kruse for better formatting
function _format_value($format,$num,$f) {
    // 49==TEXT format
    // http://code.google.com/p/php-excel-reader/issues/detail?id=7
    if ( (!$f && $format=="%s") || ($f==49) || ($format=="GENERAL") ) {
        return array('string'=>$num, 'formatColor'=>null);
    }

    // Custom pattern can be POSITIVE;NEGATIVE;ZERO
    // The "text" option as 4th parameter is not handled
    $parts = split(";",$format);
    $pattern = $parts[0];
    // Negative pattern
    if (count($parts)>2 && $num==0) {
        $pattern = $parts[2];
    }
    // Zero pattern
    if (count($parts)>1 && $num<0) {
        $pattern = $parts[1];
        $num = abs($num);
    }

    $color = "";
    $matches = array();
    $color_regex = "/^\[(BLACK|BLUE|CYAN|GREEN|MAGENTA|RED|WHITE|YELLOW)\]/i";
    if (preg_match($color_regex,$pattern,$matches)) {
        $color = strtolower($matches[1]);
        $pattern = preg_replace($color_regex,"",$pattern);
    }

    // In Excel formats, "_" is used to add spacing, which we can't do in HTML
    $pattern = preg_replace("/_./","",$pattern);

    // Some non-number characters are escaped with \, which we don't need
    $pattern = preg_replace("/\\\/","",$pattern);
    // Some non-number strings are quoted, so we'll get rid of the quotes
    $pattern = preg_replace("/\"/","",$pattern);

    // TEMPORARY - Convert # to 0
    $pattern = preg_replace("/\#/","0",$pattern);

    // Find out if we need comma formatting
    $has_commas = preg_match("/,/",$pattern);
    if ($has_commas) {
        $pattern = preg_replace("/,/","",$pattern);
    }

    // Handle Percentages
    if (preg_match("/\d(\%)([^\%]|$)/",$pattern,$matches)) {
        $num = $num * 100;
        $pattern = preg_replace("/(\d)(\%)([^\%]|$)/","$1%$3",$pattern);
    }

    // Handle the number itself
    $number_regex = "/(\d+)(\.?)(\d*)/";
    if (preg_match($number_regex,$pattern,$matches)) {
        $left = $matches[1];
        $dec = $matches[2];
        $right = $matches[3];
        if ($has_commas) {
            $formatted = number_format($num,strlen($right));
        }
        else {
            $sprintf_pattern = "%1.".strlen($right)."f";
            $formatted = sprintf($sprintf_pattern, $num);
        }
        $pattern = preg_replace($number_regex, $formatted, $pattern);
    }

    return array(
        'string'=>$pattern,
        'formatColor'=>$color
    );
}

/**
 * Constructor
 *
 * Some basic initialisation
 */
function Spreadsheet_Excel_Reader($file='',$store_extended_info=true,$outputEncoding='') {
    $this->_ole =& new OLERead();
    $this->setUTFEncoder('iconv');
    if ($outputEncoding != '') {
        $this->setOutputEncoding($outputEncoding);
    }
    for ($i=1; $i<245; $i++) {
        $name = strtolower(( (($i-1)/26>=1)?chr(($i-1)/26+64):'') . chr(($i-1)%26+65));
        $this->colnames[$name] = $i;
        $this->colindexes[$i] = $name;
    }
    $this->store_extended_info = $store_extended_info;
    if ($file!="") {
        $this->read($file);
    }
}

/**
 * Set the encoding method
 */
function setOutputEncoding($encoding) {
    $this->_defaultEncoding = $encoding;
}

/**
 *  $encoder = 'iconv' or 'mb'
 *  set iconv if you would like use 'iconv' for encode UTF-16LE to your encoding
 *  set mb if you would like use 'mb_convert_encoding' for encode UTF-16LE to your encoding
 */
function setUTFEncoder($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' : '';
    }
}

function setRowColOffset($iOffset) {
    $this->_rowoffset = $iOffset;
    $this->_coloffset = $iOffset;
}

/**
 * Set the default number format
 */
function setDefaultFormat($sFormat) {
    $this->_defaultFormat = $sFormat;
}

/**
 * Force a column to use a certain format
 */
function setColumnFormat($column, $sFormat) {
    $this->_columnsFormat[$column] = $sFormat;
}

/**
 * Read the spreadsheet file using OLE, then parse
 */
function read($sFileName) {
    $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();
    $this->_parse();
}

/**
 * Parse a workbook
 *
 * @access private
 * @return bool
 */
function _parse() {
    $pos = 0;
    $data = $this->data;

    $code = v($data,$pos);
    $length = v($data,$pos+2);
    $version = v($data,$pos+4);
    $substreamType = v($data,$pos+6);

    $this->version = $version;

    if (($version != SPREADSHEET_EXCEL_READER_BIFF8) &&
        ($version != SPREADSHEET_EXCEL_READER_BIFF7)) {
        return false;
    }

    if ($substreamType != SPREADSHEET_EXCEL_READER_WORKBOOKGLOBALS){
        return false;
    }

    $pos += $length + 4;

    $code = v($data,$pos);
    $length = v($data,$pos+2);

    while ($code != SPREADSHEET_EXCEL_READER_TYPE_EOF) {
        switch ($code) {
            case SPREADSHEET_EXCEL_READER_TYPE_SST:
                $spos = $pos + 4;
                $limitpos = $spos + $length;
                $uniqueStrings = $this->_GetInt4d($data, $spos+4);
                $spos += 8;
                for ($i = 0; $i < $uniqueStrings; $i++) {
                    // Read in the number of characters
                    if ($spos == $limitpos) {
                        $opcode = v($data,$spos);
                        $conlength = v($data,$spos+2);
                        if ($opcode != 0x3c) {
                            return -1;
                        }
                        $spos += 4;
                        $limitpos = $spos + $conlength;
                    }
                    $numChars = ord($data[$spos]) | (ord($data[$spos+1]) << 8);
                    $spos += 2;
                    $optionFlags = ord($data[$spos]);
                    $spos++;
                    $asciiEncoding = (($optionFlags & 0x01) == 0) ;
                    $extendedString = ( ($optionFlags & 0x04) != 0);
                      // See if string contains formatting information
                        $richString = ( ($optionFlags & 0x08) != 0);

                        if ($richString) {
                            // Read in the crun
                            $formattingRuns = v($data,$spos);
                            $spos += 2;
                        }

                        if ($extendedString) {
                            // Read in cchExtRst
                            $extendedRunLength = $this->_GetInt4d($data, $spos);
                            $spos += 4;
                        }

                        $len = ($asciiEncoding)? $numChars : $numChars*2;
                        if ($spos + $len < $limitpos) {
                            $retstr = substr($data, $spos, $len);
                            $spos += $len;
                        }
                        else{
                            // found countinue
                            $retstr = substr($data, $spos, $limitpos - $spos);
                            $bytesRead = $limitpos - $spos;
                            $charsLeft = $numChars - (($asciiEncoding) ? $bytesRead : ($bytesRead / 2));
                            $spos = $limitpos;

                            while ($charsLeft > 0){
                                $opcode = v($data,$spos);
                                $conlength = v($data,$spos+2);
                                if ($opcode != 0x3c) {
                                    return -1;
                                }
                                $spos += 4;
                                $limitpos = $spos + $conlength;
                                $option = ord($data[$spos]);
                                $spos += 1;
                                if ($asciiEncoding && ($option == 0)) {
                                    $len = min($charsLeft, $limitpos - $spos); // min($charsLeft, $conlength);
                                    $retstr .= substr($data, $spos, $len);
                                    $charsLeft -= $len;
                                    $asciiEncoding = true;
                                }
                                elseif (!$asciiEncoding && ($option != 0)) {
                                    $len = min($charsLeft * 2, $limitpos - $spos); // min($charsLeft, $conlength);
                                    $retstr .= substr($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 .= $data[$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);
                                    $retstr .= substr($data, $spos, $len);
                                    $charsLeft -= $len/2;
                                    $asciiEncoding = false;
                                }
                                $spos += $len;
                            }
                        }
                        $retstr = ($asciiEncoding) ? $retstr : $this->_encodeUTF16($retstr);

                        if ($richString){
                            $spos += 4 * $formattingRuns;
                        }

                        // For extended strings, skip over the extended string data
                        if ($extendedString) {
                            $spos += $extendedRunLength;
                        }
                        $this->sst[]=$retstr;
                    }
                    break;
                case SPREADSHEET_EXCEL_READER_TYPE_FILEPASS:
                    return false;
                    break;
                case SPREADSHEET_EXCEL_READER_TYPE_NAME:
                    break;
                case SPREADSHEET_EXCEL_READER_TYPE_FORMAT:
                    $indexCode = v($data,$pos+4);
                    if ($version == SPREADSHEET_EXCEL_READER_BIFF8) {
                        $numchars = v($data,$pos+6);
                        if (ord($data[$pos+8]) == 0){
                            $formatString = substr($data, $pos+9, $numchars);
                        } else {
                            $formatString = substr($data, $pos+9, $numchars*2);
                        }
                    } else {
                        $numchars = ord($data[$pos+6]);
                        $formatString = substr($data, $pos+7, $numchars*2);
                    }
                    $this->formatRecords[$indexCode] = $formatString;
                    break;
                case SPREADSHEET_EXCEL_READER_TYPE_FONT:
                    $height = v($data,$pos+4);
                    $option = v($data,$pos+6);
                    $color = v($data,$pos+8);
                    $weight = v($data,$pos+10);
                    $under  = ord($data[$pos+14]);
                    $font = "";
                    // Font name
                    $numchars = ord($data[$pos+18]);
                    if ((ord($data[$pos+19]) & 1) == 0){
                        $font = substr($data, $pos+20, $numchars);
                    } else {
                        $font = substr($data, $pos+20, $numchars*2);
                        $font =  $this->_encodeUTF16($font);
                    }
                    $this->fontRecords[] = array(
                        'height' => $height / 20,
                        'italic' => !!($option & 2),
                        'color' => $color,
                        'under' => !($under==0),
                        'bold' => ($weight==700),
                        'font' => $font,
                        'raw' => $this->dumpHexData($data, $pos+3, $length)
                    );
                    break;

                case SPREADSHEET_EXCEL_READER_TYPE_PALETTE:
                    $colors = ord($data[$pos+4]) | ord($data[$pos+5]) << 8;
                    for ($coli = 0; $coli < $colors; $coli++) {
                        $colOff = $pos + 2 + ($coli * 4);
                        $colr = ord($data[$colOff]);
                        $colg = ord($data[$colOff+1]);
                        $colb = ord($data[$colOff+2]);
                        $this->colors[0x07 + $coli] = '#' . $this->myhex($colr) . $this->myhex($colg) . $this->myhex($colb);
                    }
                    break;

                case SPREADSHEET_EXCEL_READER_TYPE_XF:
                    $fontIndexCode = (ord($data[$pos+4]) | ord($data[$pos+5]) << 8) - 1;
                    $fontIndexCode = max(0,$fontIndexCode);
                    $indexCode = ord($data[$pos+6]) | ord($data[$pos+7]) << 8;
                    $alignbit = ord($data[$pos+10]) & 3;
                    $bgi = (ord($data[$pos+22]) | ord($data[$pos+23]) << 8) & 0x3FFF;
                    $bgcolor = ($bgi & 0x7F);
//                $bgcolor = ($bgi & 0x3f80) >> 7;
                    $align = "";
                    if ($alignbit==3) { $align="right"; }
                    if ($alignbit==2) { $align="center"; }

                    $fillPattern = (ord($data[$pos+21]) & 0xFC) >> 2;
                    if ($fillPattern == 0) {
                        $bgcolor = "";
                    }

                    $xf = array();
                    $xf['formatIndex'] = $indexCode;
                    $xf['align'] = $align;
                    $xf['fontIndex'] = $fontIndexCode;
                    $xf['bgColor'] = $bgcolor;
                    $xf['fillPattern'] = $fillPattern;

                    $border = ord($data[$pos+14]) | (ord($data[$pos+15]) << 8) | (ord($data[$pos+16]) << 16) | (ord($data[$pos+17]) << 24);
                    $xf['borderLeft'] = $this->lineStyles[($border & 0xF)];
                    $xf['borderRight'] = $this->lineStyles[($border & 0xF0) >> 4];
                    $xf['borderTop'] = $this->lineStyles[($border & 0xF00) >> 8];
                    $xf['borderBottom'] = $this->lineStyles[($border & 0xF000) >> 12];

                    $xf['borderLeftColor'] = ($border & 0x7F0000) >> 16;
                    $xf['borderRightColor'] = ($border & 0x3F800000) >> 23;
                    $border = (ord($data[$pos+18]) | ord($data[$pos+19]) << 8);

                    $xf['borderTopColor'] = ($border & 0x7F);
                    $xf['borderBottomColor'] = ($border & 0x3F80) >> 7;

                    if (array_key_exists($indexCode, $this->dateFormats)) {
                        $xf['type'] = 'date';
                        $xf['format'] = $this->dateFormats[$indexCode];
                        if ($align=='') { $xf['align'] = 'right'; }
                    }elseif (array_key_exists($indexCode, $this->numberFormats)) {
                        $xf['type'] = 'number';
                        $xf['format'] = $this->numberFormats[$indexCode];
                        if ($align=='') { $xf['align'] = 'right'; }
                    }else{
                        $isdate = FALSE;
                        $formatstr = '';
                        if ($indexCode > 0){
                            if (isset($this->formatRecords[$indexCode]))
                                $formatstr = $this->formatRecords[$indexCode];
                            if ($formatstr!="") {
                                $tmp = preg_replace("/\;.*/","",$formatstr);
                                $tmp = preg_replace("/^\[[^\]]*\]/","",$tmp);
                                if (preg_match("/[^hmsday\/\-:\s\\\,AMP]/i", $tmp) == 0) { // found day and time format
                                    $isdate = TRUE;
                                    $formatstr = $tmp;
                                    $formatstr = str_replace(array('AM/PM','mmmm','mmm'), array('a','F','M'), $formatstr);
                                    // m/mm are used for both minutes and months - oh SNAP!
                                    // This mess tries to fix for that.
                                    // 'm' == minutes only if following h/hh or preceding s/ss
                                    $formatstr = preg_replace("/(h:?)mm?/","$1i", $formatstr);
                                    $formatstr = preg_replace("/mm?(:?s)/","i$1", $formatstr);
                                    // A single 'm' = n in PHP
                                    $formatstr = preg_replace("/(^|[^m])m([^m]|$)/", '$1n$2', $formatstr);
                                    $formatstr = preg_replace("/(^|[^m])m([^m]|$)/", '$1n$2', $formatstr);
                                    // else it's months
                                    $formatstr = str_replace('mm', 'm', $formatstr);
                                    // Convert single 'd' to 'j'
                                    $formatstr = preg_replace("/(^|[^d])d([^d]|$)/", '$1j$2', $formatstr);
                                    $formatstr = str_replace(array('dddd','ddd','dd','yyyy','yy','hh','h'), array('l','D','d','Y','y','H','g'), $formatstr);
                                    $formatstr = preg_replace("/ss?/", 's', $formatstr);
                                }
                            }
                        }
                        if ($isdate){
                            $xf['type'] = 'date';
                            $xf['format'] = $formatstr;
                            if ($align=='') { $xf['align'] = 'right'; }
                        }else{
                            // If the format string has a 0 or # in it, we'll assume it's a number
                            if (preg_match("/[0#]/", $formatstr)) {
                                $xf['type'] = 'number';
                                if ($align=='') { $xf['align']='right'; }
                            }
                            else {
                                $xf['type'] = 'other';
                            }
                            $xf['format'] = $formatstr;
                            $xf['code'] = $indexCode;
                        }
                    }
                    $this->xfRecords[] = $xf;
                    break;
                     case SPREADSHEET_EXCEL_READER_TYPE_NINETEENFOUR:
                $this->nineteenFour = (ord($data[$pos+4]) == 1);
                break;
            case SPREADSHEET_EXCEL_READER_TYPE_BOUNDSHEET:
                $rec_offset = $this->_GetInt4d($data, $pos+4);
                $rec_typeFlag = ord($data[$pos+8]);
                $rec_visibilityFlag = ord($data[$pos+9]);
                $rec_length = ord($data[$pos+10]);

                if ($version == SPREADSHEET_EXCEL_READER_BIFF8){
                    $chartype =  ord($data[$pos+11]);
                    if ($chartype == 0){
                        $rec_name  = substr($data, $pos+12, $rec_length);
                    } else {
                        $rec_name  = $this->_encodeUTF16(substr($data, $pos+12, $rec_length*2));
                    }
                }elseif ($version == SPREADSHEET_EXCEL_READER_BIFF7){
                    $rec_name  = substr($data, $pos+11, $rec_length);
                }
                $this->boundsheets[] = array('name'=>$rec_name,'offset'=>$rec_offset);
                break;

        }

        $pos += $length + 4;
        $code = ord($data[$pos]) | ord($data[$pos+1])<<8;
        $length = ord($data[$pos+2]) | ord($data[$pos+3])<<8;
    }

    foreach ($this->boundsheets as $key=>$val){
        $this->sn = $key;
        $this->_parsesheet($val['offset']);
    }
    return true;
}

/**
 * Parse a worksheet
 */
function _parsesheet($spos) {
    $cont = true;
    $data = $this->data;
    // read BOF
    $code = ord($data[$spos]) | ord($data[$spos+1])<<8;
    $length = ord($data[$spos+2]) | ord($data[$spos+3])<<8;

    $version = ord($data[$spos + 4]) | ord($data[$spos + 5])<<8;
    $substreamType = ord($data[$spos + 6]) | ord($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;
    }
    $spos += $length + 4;
    while($cont) {
        $lowcode = ord($data[$spos]);
        if ($lowcode == SPREADSHEET_EXCEL_READER_TYPE_EOF) break;
        $code = $lowcode | ord($data[$spos+1])<<8;
        $length = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
        $spos += 4;
        $this->sheets[$this->sn]['maxrow'] = $this->_rowoffset - 1;
        $this->sheets[$this->sn]['maxcol'] = $this->_coloffset - 1;
        unset($this->rectype);
        switch ($code) {
            case SPREADSHEET_EXCEL_READER_TYPE_DIMENSION:
                if (!isset($this->numRows)) {
                    if (($length == 10) ||  ($version == SPREADSHEET_EXCEL_READER_BIFF7)){
                        $this->sheets[$this->sn]['numRows'] = ord($data[$spos+2]) | ord($data[$spos+3]) << 8;
                        $this->sheets[$this->sn]['numCols'] = ord($data[$spos+6]) | ord($data[$spos+7]) << 8;
                    } else {
                        $this->sheets[$this->sn]['numRows'] = ord($data[$spos+4]) | ord($data[$spos+5]) << 8;
                        $this->sheets[$this->sn]['numCols'] = ord($data[$spos+10]) | ord($data[$spos+11]) << 8;
                    }
                }
                break;
            case SPREADSHEET_EXCEL_READER_TYPE_MERGEDCELLS:
                $cellRanges = ord($data[$spos]) | ord($data[$spos+1])<<8;
                for ($i = 0; $i < $cellRanges; $i++) {
                    $fr =  ord($data[$spos + 8*$i + 2]) | ord($data[$spos + 8*$i + 3])<<8;
                    $lr =  ord($data[$spos + 8*$i + 4]) | ord($data[$spos + 8*$i + 5])<<8;
                    $fc =  ord($data[$spos + 8*$i + 6]) | ord($data[$spos + 8*$i + 7])<<8;
                    $lc =  ord($data[$spos + 8*$i + 8]) | ord($data[$spos + 8*$i + 9])<<8;
                    if ($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;
                    }
                }
                break;
            case SPREADSHEET_EXCEL_READER_TYPE_RK:
            case SPREADSHEET_EXCEL_READER_TYPE_RK2:
                $row = ord($data[$spos]) | ord($data[$spos+1])<<8;
                $column = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
                $rknum = $this->_GetInt4d($data, $spos + 6);
                $numValue = $this->_GetIEEE754($rknum);
                $info = $this->_getCellDetails($spos,$numValue,$column);
                $this->addcell($row, $column, $info['string'],$info);
                break;
            case SPREADSHEET_EXCEL_READER_TYPE_LABELSST:
                $row      = ord($data[$spos]) | ord($data[$spos+1])<<8;
                $column     = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
                $xfindex   = ord($data[$spos+4]) | ord($data[$spos+5])<<8;
                $index  = $this->_GetInt4d($data, $spos + 6);
                $this->addcell($row, $column, $this->sst[$index], array('xfIndex'=>$xfindex) );
                break;
            case SPREADSHEET_EXCEL_READER_TYPE_MULRK:
                $row      = ord($data[$spos]) | ord($data[$spos+1])<<8;
                $colFirst   = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
                $colLast   = ord($data[$spos + $length - 2]) | ord($data[$spos + $length - 1])<<8;
                $columns   = $colLast - $colFirst + 1;
                $tmppos = $spos+4;
                for ($i = 0; $i < $columns; $i++) {
                    $numValue = $this->_GetIEEE754($this->_GetInt4d($data, $tmppos + 2));
                    $info = $this->_getCellDetails($tmppos-4,$numValue,$colFirst + $i + 1);
                    $tmppos += 6;
                    $this->addcell($row, $colFirst + $i, $info['string'], $info);
                }
                break;
            case SPREADSHEET_EXCEL_READER_TYPE_NUMBER:
                $row   = ord($data[$spos]) | ord($data[$spos+1])<<8;
                $column = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
                $tmp = unpack("ddouble", substr($data, $spos + 6, 8)); // It machine machine dependent
                if ($this->isDate($spos)) {
                    $numValue = $tmp['double'];
                }
                else {
                    $numValue = $this->createNumber($spos);
                }
                $info = $this->_getCellDetails($spos,$numValue,$column);
                $this->addcell($row, $column, $info['string'], $info);
                break;
                case SPREADSHEET_EXCEL_READER_TYPE_FORMULA:
case SPREADSHEET_EXCEL_READER_TYPE_FORMULA2:
    $row   = ord($data[$spos]) | ord($data[$spos+1])<<8;
    $column = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
    if ((ord($data[$spos+6])==0) && (ord($data[$spos+12])==255) && (ord($data[$spos+13])==255)) {
        //String formula. Result follows in a STRING record
        // This row/col are stored to be referenced in that record
        // http://code.google.com/p/php-excel-reader/issues/detail?id=4
        $previousRow = $row;
        $previousCol = $column;
    } elseif ((ord($data[$spos+6])==1) && (ord($data[$spos+12])==255) && (ord($data[$spos+13])==255)) {
        //Boolean formula. Result is in +2; 0=false,1=true
        // http://code.google.com/p/php-excel-reader/issues/detail?id=4
        if (ord($this->data[$spos+8])==1) {
            $this->addcell($row, $column, "TRUE");
        } else {
            $this->addcell($row, $column, "FALSE");
        }
    } elseif ((ord($data[$spos+6])==2) && (ord($data[$spos+12])==255) && (ord($data[$spos+13])==255)) {
        //Error formula. Error code is in +2;
    } elseif ((ord($data[$spos+6])==3) && (ord($data[$spos+12])==255) && (ord($data[$spos+13])==255)) {
        //Formula result is a null string.
        $this->addcell($row, $column, '');
    } else {
        // result is a number, so first 14 bytes are just like a _NUMBER record
        $tmp = unpack("ddouble", substr($data, $spos + 6, 8)); // It machine machine dependent
        if ($this->isDate($spos)) {
            $numValue = $tmp['double'];
        }
        else {
            $numValue = $this->createNumber($spos);
        }
        $info = $this->_getCellDetails($spos,$numValue,$column);
        $this->addcell($row, $column, $info['string'], $info);
    }
    break;
case SPREADSHEET_EXCEL_READER_TYPE_BOOLERR:
    $row   = ord($data[$spos]) | ord($data[$spos+1])<<8;
    $column = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
    $string = ord($data[$spos+6]);
    $this->addcell($row, $column, $string);
    break;
case SPREADSHEET_EXCEL_READER_TYPE_STRING:
    // http://code.google.com/p/php-excel-reader/issues/detail?id=4
    if ($version == SPREADSHEET_EXCEL_READER_BIFF8){
        // Unicode 16 string, like an SST record
        $xpos = $spos;
        $numChars =ord($data[$xpos]) | (ord($data[$xpos+1]) << 8);
        $xpos += 2;
        $optionFlags =ord($data[$xpos]);
        $xpos++;
        $asciiEncoding = (($optionFlags &0x01) == 0) ;
        $extendedString = (($optionFlags & 0x04) != 0);
        // See if string contains formatting information
        $richString = (($optionFlags & 0x08) != 0);
        if ($richString) {
            // Read in the crun
            $formattingRuns =ord($data[$xpos]) | (ord($data[$xpos+1]) << 8);
            $xpos += 2;
        }
        if ($extendedString) {
            // Read in cchExtRst
            $extendedRunLength =$this->_GetInt4d($this->data, $xpos);
            $xpos += 4;
        }
        $len = ($asciiEncoding)?$numChars : $numChars*2;
        $retstr =substr($data, $xpos, $len);
        $xpos += $len;
        $retstr = ($asciiEncoding)? $retstr : $this->_encodeUTF16($retstr);
    }
    elseif ($version == SPREADSHEET_EXCEL_READER_BIFF7){
        // Simple byte string
        $xpos = $spos;
        $numChars =ord($data[$xpos]) | (ord($data[$xpos+1]) << 8);
        $xpos += 2;
        $retstr =substr($data, $xpos, $numChars);
    }
    $this->addcell($previousRow, $previousCol, $retstr);
    break;
case SPREADSHEET_EXCEL_READER_TYPE_ROW:
    $row   = ord($data[$spos]) | ord($data[$spos+1])<<8;
    $rowInfo = ord($data[$spos + 6]) | ((ord($data[$spos+7]) << 8) & 0x7FFF);
    if (($rowInfo & 0x8000) > 0) {
        $rowHeight = -1;
    } else {
        $rowHeight = $rowInfo & 0x7FFF;
    }
    $rowHidden = (ord($data[$spos + 12]) & 0x20) >> 5;
    $this->rowInfo[$this->sn][$row+1] = Array('height' => $rowHeight / 20, 'hidden'=>$rowHidden );
    break;
case SPREADSHEET_EXCEL_READER_TYPE_DBCELL:
    break;
case SPREADSHEET_EXCEL_READER_TYPE_MULBLANK:
    $row = ord($data[$spos]) | ord($data[$spos+1])<<8;
    $column = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
    $cols = ($length / 2) - 3;
    for ($c = 0; $c < $cols; $c++) {
        $xfindex = ord($data[$spos + 4 + ($c * 2)]) | ord($data[$spos + 5 + ($c * 2)])<<8;
        $this->addcell($row, $column + $c, "", array('xfIndex'=>$xfindex));
    }
    break;
case SPREADSHEET_EXCEL_READER_TYPE_LABEL:
    $row   = ord($data[$spos]) | ord($data[$spos+1])<<8;
    $column = ord($data[$spos+2]) | ord($data[$spos+3])<<8;
    $this->addcell($row, $column, substr($data, $spos + 8, ord($data[$spos + 6]) | ord($data[$spos + 7])<<8));
    break;
case SPREADSHEET_EXCEL_READER_TYPE_EOF:
    $cont = false;
    break;
case SPREADSHEET_EXCEL_READER_TYPE_HYPER:
    //  Only handle hyperlinks to a URL
    $row   = ord($this->data[$spos]) | ord($this->data[$spos+1])<<8;
    $row2   = ord($this->data[$spos+2]) | ord($this->data[$spos+3])<<8;
    $column = ord($this->data[$spos+4]) | ord($this->data[$spos+5])<<8;
    $column2 = ord($this->data[$spos+6]) | ord($this->data[$spos+7])<<8;
    $linkdata = Array();
    $flags = ord($this->data[$spos + 28]);
    $udesc = "";
    $ulink = "";
    $uloc = 32;
    $linkdata['flags'] = $flags;
    if (($flags & 1) > 0 ) {   // is a type we understand
        //  is there a description ?
        if (($flags & 0x14) == 0x14 ) {   // has a description
            $uloc += 4;
            $descLen = ord($this->data[$spos + 32]) | ord($this->data[$spos + 33]) << 8;
            $udesc = substr($this->data, $spos + $uloc, $descLen * 2);
            $uloc += 2 * $descLen;
        }
        $ulink = $this->read16bitstring($this->data, $spos + $uloc + 20);
        if ($udesc == "") {
            $udesc = $ulink;
        }
    }
    $linkdata['desc'] = $udesc;
    $linkdata['link'] = $this->_encodeUTF16($ulink);
    for ($r=$row; $r<=$row2; $r++) {
        for ($c=$column; $c<=$column2; $c++) {
            $this->sheets[$this->sn]['cellsInfo'][$r+1][$c+1]['hyperlink'] = $linkdata;
        }
    }
    break;
     case SPREADSHEET_EXCEL_READER_TYPE_DEFCOLWIDTH:
                    $this->defaultColWidth  = ord($data[$spos+4]) | ord($data[$spos+5]) << 8;
                    break;
                case SPREADSHEET_EXCEL_READER_TYPE_STANDARDWIDTH:
                    $this->standardColWidth  = ord($data[$spos+4]) | ord($data[$spos+5]) << 8;
                    break;
                case SPREADSHEET_EXCEL_READER_TYPE_COLINFO:
                    $colfrom = ord($data[$spos+0]) | ord($data[$spos+1]) << 8;
                    $colto = ord($data[$spos+2]) | ord($data[$spos+3]) << 8;
                    $cw = ord($data[$spos+4]) | ord($data[$spos+5]) << 8;
                    $cxf = ord($data[$spos+6]) | ord($data[$spos+7]) << 8;
                    $co = ord($data[$spos+8]);
                    for ($coli = $colfrom; $coli <= $colto; $coli++) {
                        $this->colInfo[$this->sn][$coli+1] = Array('width' => $cw, 'xf' => $cxf, 'hidden' => ($co & 0x01), 'collapsed' => ($co & 0x1000) >> 12);
                    }
                    break;

                default:
                    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'];
    }

    function isDate($spos) {
        $xfindex = ord($this->data[$spos+4]) | ord($this->data[$spos+5]) << 8;
        return ($this->xfRecords[$xfindex]['type'] == 'date');
    }

    // Get the details for a particular cell
    function _getCellDetails($spos,$numValue,$column) {
        $xfindex = ord($this->data[$spos+4]) | ord($this->data[$spos+5]) << 8;
        $xfrecord = $this->xfRecords[$xfindex];
        $type = $xfrecord['type'];

        $format = $xfrecord['format'];
        $formatIndex = $xfrecord['formatIndex'];
        $fontIndex = $xfrecord['fontIndex'];
        $formatColor = "";
        $rectype = '';
        $string = '';
        $raw = '';

        if (isset($this->_columnsFormat[$column + 1])){
            $format = $this->_columnsFormat[$column + 1];
        }

        if ($type == 'date') {
            $rectype = 'date';
            $utcDays = floor($numValue - ($this->nineteenFour ? SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS1904 : SPREADSHEET_EXCEL_READER_UTCOFFSETDAYS));
            $utcValue = ($utcDays) * SPREADSHEET_EXCEL_READER_MSINADAY;
            $dateinfo = gmgetdate($utcValue);

            $raw = $numValue;
            $fractionalDay = $numValue - floor($numValue) + .0000001; // The .0000001 is to fix for php/excel fractional diffs

            $totalseconds = floor(SPREADSHEET_EXCEL_READER_MSINADAY * $fractionalDay);
            $secs = $totalseconds % 60;
            $totalseconds -= $secs;
            $hours = floor($totalseconds / (60 * 60));
            $mins = floor($totalseconds / 60) % 60;
            $string = date ($format, mktime($hours, $mins, $secs, $dateinfo["mon"], $dateinfo["mday"], $dateinfo["year"]));
        } else if ($type == 'number') {
            $rectype = 'number';
            $formatted = $this->_format_value($format, $numValue, $formatIndex);
            $string = $formatted['string'];
            $formatColor = $formatted['formatColor'];
            $raw = $numValue;
        } else{
            if ($format=="") {
                $format = $this->_defaultFormat;
            }
            $rectype = 'unknown';
            $formatted = $this->_format_value($format, $numValue, $formatIndex);
            $string = $formatted['string'];
            $formatColor = $formatted['formatColor'];
            $raw = $numValue;
        }

        return array(
            'string'=>$string,
            'raw'=>$raw,
            'rectype'=>$rectype,
            'format'=>$format,
            'formatIndex'=>$formatIndex,
            'fontIndex'=>$fontIndex,
            'formatColor'=>$formatColor,
            'xfIndex'=>$xfindex
        );

    }


    function createNumber($spos) {
        $rknumhigh = $this->_GetInt4d($this->data, $spos + 10);
        $rknumlow = $this->_GetInt4d($this->data, $spos + 6);
        $sign = ($rknumhigh & 0x80000000) >> 31;
        $exp =  ($rknumhigh & 0x7ff00000) >> 20;
        $mantissa = (0x100000 | ($rknumhigh & 0x000fffff));
        $mantissalow1 = ($rknumlow & 0x80000000) >> 31;
        $mantissalow2 = ($rknumlow & 0x7fffffff);
        $value = $mantissa / pow( 2 , (20- ($exp - 1023)));
        if ($mantissalow1 != 0) $value += 1 / pow (2 , (21 - ($exp - 1023)));
        $value += $mantissalow2 / pow (2 , (52 - ($exp - 1023)));
        if ($sign) {$value = -1 * $value;}
        return  $value;
    }

    function addcell($row, $col, $string, $info=null) {
        $this->sheets[$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] = $string;
        if ($this->store_extended_info && $info) {
            foreach ($info as $key=>$val) {
                $this->sheets[$this->sn]['cellsInfo'][$row + $this->_rowoffset][$col + $this->_coloffset][$key] = $val;
            }
        }
    }


    function _GetIEEE754($rknum) {
        if (($rknum & 0x02) != 0) {
            $value = $rknum >> 2;
        } else {
            //mmp
            // 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 & 0x80000000) >> 31;
            $exp = ($rknum & 0x7ff00000) >> 20;
            $mantissa = (0x100000 | ($rknum & 0x000ffffc));
            $value = $mantissa / pow( 2 , (20- ($exp - 1023)));
            if ($sign) {
                $value = -1 * $value;
            }
            //end of changes by mmp
        }
        if (($rknum & 0x01) != 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;
    }

}

?>


4. code.php

<?php
session_start();
getCode(4,50,20);
 
function getCode($num,$w,$h) {
    $code = "";
    for ($i = 0; $i < $num; $i++) {
        $code .= rand(0, 9);
    }
    //4位验证码也可以用rand(1000,9999)直接生成
    //将生成的验证码写入session,备验证页面使用
    $_SESSION['PHP_M2T'] = $code;
    setcookie("mimi", md5($code), time()+1200);
    //创建图片,定义颜色值
    Header("Content-type: image/PNG");
    $im = imagecreate($w, $h);
    $black = imagecolorallocate($im, 255, 0, 63);
    $gray = imagecolorallocate($im, 200, 200, 200);
    $bgcolor = imagecolorallocate($im, 255, 255, 255);
 
    imagefill($im, 0, 0, $bgcolor);
 
    //画边框
    //imagerectangle($im, 0, 0, $w-1, $h-1, $black);
 
    //在画布上随机生成大量黑点,起干扰作用;
    for ($i = 0; $i < 10; $i++) {
        imagesetpixel($im, rand(0, $w), rand(0, $h), $black);
    }
    //将数字随机显示在画布上,字符的水平间距和位置都按一定波动范围随机生成
    $strx = rand(1,3);
    for ($i = 0; $i < $num; $i++) {
        $strpos = rand(2, 6);
        imagestring($im, 5, $strx, $strpos, substr($code, $i, 1), $black);
        $strx += rand(8, 12);
    }
    imagepng($im);
    imagedestroy($im);
}
?>