php完美的rss 生成类

include_once("class/RSS.class.php");//引入RSS PHP类
$RSS= new RSS("名称","地址","描述","RSS频道图标");
$RSS->AddItem("日志的标题","日志的地址","日志的摘要","日志的发布日期");
$RSS->Display();//输出RSS内容

function bin2ip($bin){
 $ip = '';
 $bd = str_split($bin, 1);
 for($i = 4; $i > 0; $i--){
  $ip .= "." . sprintf("%03d", implode('', unpack('s', $bd[$i-1] . chr(0))));
 }
 return substr($ip, 1);
}

//--------------------------------------------------
$f = fopen('QQWry.Dat', 'r');
$c = fread($f, 4);
$d = fread($f, 4);

$index_begin = implode('', unpack('L', $c));
$index_end  = implode('', unpack('L', $d));
if($index_begin < 0) $index_begin += pow(2, 32);
if($index_end < 0) $index_end += pow(2, 32);

$ip_num = ($index_end - $index_begin) / 7 + 1;

echo "index begin at: $index_beginn";
echo "index end at: $index_endn";
echo "ip data count : $ip_numn";

$output = '';

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

 //文件指针指到每个IP数据文件的索引取得索引数据(7字节)上
 fseek($f, $i * 7 + $index_begin);
 $ip4 = fread($f, 4); //IP起始地址
 if(strlen($ip4) < 4) exit('data file error');

 $ip3 = fread($f, 3); //IP记录偏移地址
 if(strlen($ip3) < 3) exit('data file error');

 $dataseek = implode('', unpack('L', $ip3 . chr(0)));
 if($dataseek < 0) $index_ip_record += pow(2, 32);

 //指向记录区 $dataseek 位置查找记录
 fseek($f, $dataseek);
 $ipdata = fread($f, 4); //IP结束地址
 if(strlen($ipdata) < 4) exit('data file error');

 $area = '';
 $country = '';

 //读一个标记位
 $flag = fread($f, 1);
 if($flag == chr(1)){ //国家名偏移标记位 模式一 0x01
  $area1seek = fread($f, 3);
  if(strlen($area1seek) < 3) exit('data file error');
  $area1seek = implode('', unpack('L', $area1seek . chr(0)));
  fseek($f, $area1seek);
  $flag = fread($f, 1); //可能又是标记位
 }
 if($flag == chr(2)){ //国家地区 重定向
  $area1seek = fread($f, 3);
  if(strlen($area1seek) < 3) exit('data file error');
  $area1seek = implode('', unpack('L', $area1seek . chr(0)));
  $flag = fread($f, 1);
  if($flag == chr(2)){
   $area2seek = fread($f, 3);
   $area2seek = implode('', unpack('L', $area2seek . chr(0)));
   fseek($f, $area2seek);
  }else{
   fseek($f, -1, SEEK_CUR);
  }
  while(($c = fread($f, 1)) != chr(0)) $area .= $c;
  fseek($f, $area1seek);
  while(($c = fread($f, 1)) != chr(0)) $country .= $c;
 }else{
  fseek($f, -1, SEEK_CUR);
  while(($c = fread($f, 1)) != chr(0)) $country .= $c;

  $flag = fread($f, 1); //如果地区是重定向的
  if($flag == chr(2)){
   $area2seek = fread($f, 3);
   $area2seek = implode('', unpack('L', $area2seek . chr(0)));
   fseek($f, $area2seek);
  }else{
   fseek($f, -1, SEEK_CUR);
  }
  while(($c = fread($f, 1)) != chr(0)) $area .= $c;
 }
 $adata = trim($country) . trim($area); //$country是国家字符串 , $area 是地区字符串
}
fclose($f);

<input type=“file” name=“photo1″>
<input type=“file” name=“photo2″>
<input type=“file” name=“photo3″>

或者

PHP代码
<input type=“file”  name=“photo[]“ >
<input type=“file”  name=“photo[]“ >
<input type=“file”  name=“photo[]“ >

function __autoload($classname)
{
    require_once $classname . '.php';
}

//MyClass1类不存在自动调用__autoload()函数，传入参数”MyClass1”
$obj  = new MyClass1();

//MyClass2类不存在自动调用__autoload()函数，传入参数”MyClass2”
$obj2 = new MyClass2();

class Person
{
    //下面是人的成员属性
    var $name;  //人的名子
    var $sex;    //人的性别
    var $age;    //人的年龄

    //定义一个构造方法参数为属性姓名$name、性别$sex和年龄$age进行赋值
    function __construct($name="", $sex="", $age="")
    {
        $this->name=$name;
        $this->sex=$sex;
        $this->age=$age;
    }

    //这个人可以说话的方法, 说出自己的属性
    function say()
    {
        echo "我的名子叫：".$this->name." 性别：".$this->sex." 我的年龄是：".$this->age."";
    }
}

$p1=new Person("张三", "男", 20);

$p1_string=serialize($p1); //把一个对象串行化，返一个字符串

echo $p1_string."";  //串行化的字符串我们通常不去解析

$p2=unserialize($p1_string);  //把一个串行化的字符串反串行化形成对象$p2

$p2->say();

//定义了一个形状的接口，里面有两个抽象方法让子类去实现
interface Shape
{
    function area();
    function perimeter();
}

//定义了一个矩形子类实现了形状接口中的周长和面积
class Rect implements Shape
{
    private $width;
    private $height;

    function __construct($width, $height)
    {
        $this->width=$width;
        $this->height=$height;
    }

    function area()
    {
        return "矩形的面积是：".($this->width*$this->height);
    }

    function perimeter()
    {
        return "矩形的周长是：".(2*($this->width+$this->height));
    }
}

//定义了一个圆形子类实现了形状接口中的周长和面积
class  Circular implements Shape
{
    private $radius;

    function __construct($radius)
    {
        $this->radius=$radius;
    }

    function area()
    {
        return "圆形的面积是：".(3.14*$this->radius*$this->radius);
    }

    function perimeter()
    {
        return "圆形的周长是：".(2*3.14*$this->radius);
    }
} 

//把子类矩形对象赋给形状的一个引用
$shape=new Rect(5, 10);

echo $shape->area()."
";
echo $shape->perimeter()."
";

//把子类圆形对象赋给形状的一个引用
$shape=new Circular(10);

echo $shape->area()."
";
echo $shape->perimeter()."
";

上例执行结果：
矩形的面积是：50
矩形的周长是：30
圆形的面积是：314
圆形的周长是：62.8

<form action ="post.php" method ="post">
Name: <input type="text" name="username" />
<input type ="submit" value="ok" />
</form>

You are <?php echo $_POST["username"]?>.

<form action = "radiopost.php" method = "post">
<input type="radio" name="abcde" value = "Apple">Apple</input><br />
<input type="radio" name="abcde" value = "Orange">Orange</input><br />
<input type="radio" name="abcde" value = "Mango">Mango</input><br />
<input type="submit" value="ok">
</form>

<?php echo $_POST["abcde"]?>

<form action = "checkboxpost.php" method = "post">
<input type="checkbox" name="abcde[ ]" value = "Apple">Apple</input><br />
<input type="checkbox" name="abcde[ ]" value = "Orange">Orange</input><br />
<input type="checkbox" name="abcde[ ]" value = "Mango">Mango</input><br />
<input type="submit" value="ok">
</form>

print_r($_POST['abcde']);

<？PHP           
    $flag = 0;       
    //要post的数据        
$argv = array(       
     'var1'=>'abc',        
     'var2'=>'你好吗');        
//构造要post的字符串        
foreach ($argv as $key=>$value) {        
     if ($flag!=0) {       
             $params .= "&";        
             $flag = 1;        
     }        
     $params.= $key."="; $params.= urlencode($value);        
     $flag = 1;        
     }        
     $length = strlen($params);       
         //创建socket连接        
     $fp = fsockopen("127.0.0.1",80,$errno,$errstr,10) or exit($errstr."--->".$errno);        
     //构造post请求的头        
     $header = "POST /mobile/try.php HTTP/1.1";        
     $header .= "Host:127.0.0.1";        
     $header .= "Referer:/mobile/sendpost.php";        
     $header .= "Content-Type: application/x-www-form-urlencoded";        
     $header .= "Content-Length: ".$length."";        
     $header .= "Connection: Close";       
     //添加post的字符串        
     $header .= $params."";        
     //发送post的数据        
     fputs($fp,$header);        
     $inheader = 1;        
     while (!feof($fp)) {       
             $line = fgets($fp,1024); //去除请求包的头只显示页面的返回数据        
             if ($inheader && ($line == "n" || $line == "")) {       
                 $inheader = 0;        
             }        
             if ($inheader == 0) {        
                 echo $line;        
             }        
     }        
fclose($fp);        
?>