非常简单的日历类

date_default_timezone_set("etc/gmt-8");

class calendar{

var $t = array();
var $datesofmonth = array('1'=>'31','2'=>'28','3'=>'31','4'=>'30','5'=>'31','6'=>'30','7'=>'31','8'=>'31','9'=>'30','10'=>'31','11'=>'30','12'=>'31');
var $y,$m,$d;

function set($time){
$this->t = getdate($time);
$this->y = $this->t['year'];
$this->m = $this->t['mon'];
$this->d = date('d',$time);
}

function isrun(){
return ($this->y%400==0 || ($this->y%4==0 && $this->y%100==0)) ? 1 : 0;
}

function first(){
$time = mktime(0,0,0,$this->m,1,$this->y);
$time = getdate($time);
return $time['wday'];
}

function html(){
$isrun = $this->isrun();
$this->datesofmonth[2] = $isrun==1 ? 29: 28;
$html .= "<table style='border:solid 1px black;'> ";
$html .= "<tr><th><a href=''>上一月</a></th><th colspan='5'>{$this->y}年 {$this->m}月</th><th><a href=''>下一月</a></th><tr> ";
$html .= "<tr><td>星期天</td><td>星期一</td><td>星期二</td>111cn.net<td>星期三</td><td>星期四</td><td>星期五</td><td>星期六</td></tr> ";
$html .= "<tr> ";
$first = $this->first();
for($i=0; $i<$first; $i++){
$html .= "<td></td>";
}
$count = $this->datesofmonth[$this->m]+$first;
for ($i=1; $i<= $this->datesofmonth[$this->m]; $i++){
$style = $i==$this->d ? ' style="color:red;font-weight:bold;"' : '' ;
$html .= "<td align='center'{$style}>$i</td>";
if (($i==7%$first || ($i+$first)%7==0) && $i<$count){
$html .= "</tr> <tr>";
}
}
$count = 7-$count%7;
if ($count<7){
for ($i=0; $i<$count; $i++){
$html .= "<td></td>";
}
}
$html .= "</tr> ";
$html .= "</table> ";
return $html;
}
}

$calendar = new calendar();
$calendar->set(time());
echo $calendar->html();

/*
无需数据库教程在线投票调查php代码

*/
  $data="data.txt";
  $votes="survey.txt";
  $dataf=file($data);        /*读出调查项目文件中的项目*/
  $file_votes=fopen($votes, "r");
  $line_votes=fgets($file_votes, 255);  /*读出已经记录的调查结果*/
  fclose($file_votes);
  $single_vote=explode("|", $line_votes); /* 并将数据按指定的字串切开,再将字串传回到数组变量中  */
   if ($result!=1)         /*如果已经接受了调查*/
   {
    $file_votes=file($votes, "r");
    if ($remote_addr == $file_votes[1])                           /*检查是不是同一个人*/
      {
       echo "<center><font color=red>您已投过票了，谢谢您的参与！</font></center>";
       exit;
      }

    /*如果ip不重复,则执行以下程序*/
    $ficdest=fopen($votes, "w");
    for ($i=0; $i<=count($dataf)-1; $i++)
      {
         if ($i == $vote)
         {                                 /*判断选择了哪个项目*/
          $single_vote[$i]+=1;
         }
             fputs($ficdest, "$single_vote[$i]|"); /*将数据写回文件*/
      }
       fputs($ficdest, " $remote_addr");/* //写入投票者ip*/
    fclose($ficdest);
    $result=1; /*投票成功*/
  }

  /*写入投票结果后并显示投票结果*/
  if ($result==1)
  {
   echo "<table cellpadding=10>";
   for ($i=0; $i<=count($dataf)-1; $i++)
    {
     /*取得投票总数*/
     $tot_votes+=$single_vote[$i];
    }
   for ($i=0; $i<=count($dataf)-1; $i++)
    {
     $imag=strval($i).".gif";/*判断用哪种条形图片来显示统计结果*/
      $stat[$i]=$single_vote[$i]/$tot_votes*100;  /*计算百分比*/
     $scla=$stat[$i]*5;/*条形图和放大倍数,这里是安百分数的5倍的相素的宽度来显示的*/
     echo "<tr><td><li><font face=verdana size=2>";
     echo "$dataf[$i]</font></td><td align=left><font face=verdana size=2>";
     echo "<img src="$imag" height=20 width=$scla align=middle>&nbsp;";/*输出条形码图*/
     printf("%.1f", "$stat[$i]");
     echo "%</font></td><td align=center><font face=verdana size=2>";
     /*输出本栏目投票数*/
     echo "$single_vote[$i]</font>";
     echo "</td></tr>";
   }
   echo "</table><p>";
   echo "<font face=verdana size=2>总投票数：$tot_votes </font>";
}

if( $_post )
{
 $phone=(isset($_post["phone"]))?$_post["phone"]:die ("请返回");
echo "你查询的:$phone,资料：".getphone($phone);

function getphone($phone){
 $dbpath="datas/";
 $len=strlen($phone);
 if ( $len !=11 ){
 return "手机号码只支持11位";
 }
 $par="[0-9]";
 for ($i=0;$i<$len;$i++){
  if(!ereg($par,substr($phone,$i,1) ) ){
  return "手机号码只能为数字";
  }
 }
 $sunum=scandir($dbpath); //得到支持的手机号码前缀
  array_splice($sunum,0,1); //把当前目录取消
  array_splice($sunum,0,1); //把上一级目录去掉
 $sub=substr($phone,0,3); //取得该号码的前三位
 if (in_array($sub,$sunum) ){
   $num=substr($phone,3,4);
  $search=file($dbpath.$sub);
  $result=str_replace($num."=","",$search[$num]); //处理数据
  return (strlen($result)>1)?$result:"0";

 }else{
 return "暂不支持$sub";
 
 }

}
}
?>

<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>手机号码归属地查询</title>
 </head>
<body>
 <form action="search.php" method="post">
 <p>请输入手机号码:<input type="text" name="phone"></p>
 <p><input type="submit" value="查询"></p></p>
 </form>
</body>
</html>

class download
{
    var $url;//远程文件地址

    var $file_name = "hdwiki.zip";//下载来的文件名称

    var $save_path = "./www.111cn.net";//下载到本地的文件路径

    var $localfile;//下载到本地文件的路径和名称

    var $warning;//警告信息

    var $redown=0;//是否重新下载

    /*初始化*/
    function seturl($url)
    {
         if(!empty($url))$this->url = $url;
    }

    function setfilename($file_name)
    {
     if(!empty($file_name))$this->file_name = $file_name;
    }

    function setsavepath($save_path)
    {
     if(!empty($save_path))$this->save_path = $save_path;
    }

    function setredown($redown)
    {
     if(!empty($redown))$this->redown = $redown;
    }

    function download($url, $redown = 0, $save_path = 0, $file_name = 0)
    {
        $this->seturl($url);
        $this->setfilename($file_name);
        $this->setsavepath($save_path);
        $this->setredown($redown);
        if(!file_exists($this->save_path))
        {
            $dir = explode("/",$this->save_path);
            foreach($dir as $p)
            mkdir($p);
        }
   }
  
    /* 检查url合法性函数 */
    function checkurl(){
        return preg_match("/^(http|ftp)(://)([a-za-z0-9-_]+[./]+[w-_/]+.*)+$/i", $this->url);
    }

    //下载文件到本地

    function downloadfile()
    {
        //检测变量

        $this->localfile = $this->save_path."/".$this->file_name;
         if($this->url == "" || $this->localfile == ""){
                 $this->warning = "error: 变量设置错误.";
             return $this->warning;
        }

        if (!$this->checkurl()){
            $this->warning = "error: url ". $this->url ." 不合法.";
               return $this->warning;
            }

        if (file_exists($this->localfile)){
            if($this->redown)
            {
                unlink($this->localfile);
            }
            else
            {
                $this->warning = "warning: 升级文件 ". $this->localfile ." 已经存在！ <a href='?action=download&redown=1' target='_self'>重新下载</a>";
                return $this->warning;
             //exit("error: 本地文件 ". $this->localfile ." 已经存在,请删除或改名后重新运行本程序.");

            }
        }

        //打开远程文件

        $fp = fopen($this->url, "rb");
        if (!$fp){
            $this->warning = "error: 打开远程文件 ". $this->url ." 失败.";
             return $this->warning;
        }

     //打开本地文件

     $sp = fopen($this->localfile, "wb");
     if (!$sp){
         $this->warning = "error: 打开本地文件 ". $this->localfile ." 失败.";
         return $this->warning;
     }

     //下载远程文件

     //echo "正在下载远程文件，请等待";

     while (!feof($fp)){
     $tmpfile .= fread($fp, 1024);
     //echo strlen($tmpfile);

     }
       //保存文件到本地

       fwrite($sp, $tmpfile);
     fclose($fp);
     fclose($sp);
    
     if($this->redown)
             $this->warning = "success: 重新下载文件 ". $this->file_name ." 成功";
     else
             $this->warning = "success: 下载文件 ". $this->file_name ." 成功";
             
     return $this->warning;
    }
}