在线短地址服务

<?php
header("Content-Type:text/html;charset=utf-8");

define('Txpath', dirname(__FILE__).'/aytemp/');  //缓存目录

define('URL','http://127.0.0.4/'); //程序主域名

define('ANYOUAPI','anyou');

$pageb = mima('当前页码');

$mbox = '压缩后的网址：';

$MUM = new Mem();

$dangqian = $MUM -> g( $pageb);

if( !$dangqian ){
  $dangqian = 1 ;$MUM -> s( $pageb,1);
}  //当前url



if($_POST['url']){ 
$wz = mima($_POST['url']);

if($MUM -> g($wz)){ $zhi =  $MUM -> g($wz); echo  $mbox.URL.$zhi; 
}
else{$danzhi =   dechex($dangqian); $url = mima('@'.$danzhi); $MUM -> s($url,$_POST['url']);
 $MUM -> s($wz,   $danzhi); 
$MUM -> j( $pageb,1);  echo   $mbox.URL.$danzhi;
$dangqian+=1;
}

}


	
if($_POST['yuan']){
		
$urlv = $MUM -> g(mima('@'.$_POST['yuan']));
		
if($urlv){
$urlv = str_replace("script",'',strtolower($urlv));
 
	echo '还原后的网址：'.$urlv ;

}else
  echo '网址没有压缩';


}



function arr2file($filename, $arr=''){
	if(is_array($arr)){
		$con = var_export($arr,true);
	} else{
		$con = $arr;
	}
	$con = "<?php \nreturn $con;\n";
        file_put_contents($filename, $con);
}

function mima($var){  

   $varstr = strlen($var);
   $hash = md5(md5(base64_encode($var.'13yd~!@#$%^&*(){}[1500]').$varstr));
   return substr($hash,6,16);
	 
 }


function p(){
	 $args=func_get_args();
	 if(count($args)<1) return;
	 echo '<p style="width:100%;text-align:left"><pre>';

	foreach($args as $arg){
		if(is_array($arg)){  
			  print_r($arg);
			  echo '<br>';
		  }else if(is_string($arg)){
			echo $arg.'<br>';
		  }else{
			var_dump($arg);
			echo '<br>';
		  }
		}
		    echo '</pre></p>';	
}

class Mem{

//Memcache
//r(名,值) 替换值
//s(名,值,时间) 设置值
//g(名) 获取值
//a(名,值,时间) 新建立值 没有就新建 有就返回 false;
//d(名);删除值
//f(); 清空
//ja(名,数量);//减的数量
//j(名,数量);//加的数量
//gS();获取统计值
//gV();获得版本

private $md = null;

function __construct(){
       $md = new Pxhc;
	
	 
	 
	 $this->md=$md;
		     

			
}
	



public function r($key, $value){ //获取对象
       return $this -> md -> replace( $key, $value);
}
public function s($key,$value,$time=0){  //设置值
       return $this -> md -> set( $key, $value, MEMCACHE_COMPRESSED, $time);
}
public function g($key){  //获取值
       return $this -> md -> get( $key);
}
public function a( $key, $value, $time=0){
       return $this -> md -> add( $key, $value, MEMCACHE_COMPRESSED, $time);
}
public function d( $key){  //删除一个值
       return $this -> md -> delete( $key); //删除一个值
}
public function f(){ //清空全部flush
       return $this -> md -> flush();
}
public function ja( $key, $num=1){ //加法运算
       return $this -> md -> decrement( $key, $num);
}
public function j( $key, $num=1){ //减法预算
       return $this -> md -> increment( $key, $num);
}      
public function gS(){ //获取进程池中所有进程的运行系统统计 
       return $this -> md -> getExtendedStats();
}
public function gV(){ //版本
       return $this -> md -> getVersion();
}
public function error(){  //判断是否开启
       $stats = $this -> md -> getStats();
       if( empty( $stats )) return false;
       else return true;
}
 

}
 


class Pxhc{ //文本缓存
public function replace($key, $value){ //替换规则
       $pat = Txpath.$key.'.php';
       if(file_exists( $pat)){
          arr2file( $pat,$value);
          return $value;
        } else return false;
}

public function add($key, $value, $num='', $time){ //如果存在
       $pat = Txpath.($key).'.php';
       if(file_exists( $pat))  return false;
       else{  arr2file( $pat,$value); return $value;}
}

public function increment($key,$num){ //加 条目
       $pat = Txpath.urlencode($key).'.php';
       if(file_exists($pat)){
          $value = include $pat;
          $value = $value*1+$num;
          arr2file($pat,$value);
          return $value;
       }else return false;
}

public function getExtendedStats(){
       $zzz = Txpath;
       $nums = 0;
       $mydir = dir($zzz); //读取配置文件
       while($file = $mydir->read()){ 
       if(($file != ".") and ($file != "..") and (strstr($file,".php"))){
       $file = str_replace(".php",'',$file);
       $files[] = $file;
       $nums++;
	} 
       } 
      $mydir -> close();
      $files['Nums'] = '变量数:'.$nums.'个';
      return $files;
}

public function decrement($key,$num){ //减 条目
       $pat = Txpath.$key.'.php';
       if(file_exists( $pat)){
          $value = include $pat;
          $value = $value*1-$num;
          arr2file($pat,$value);
          return $value;
       }else return false;
}

public function get($key){   //获取值
       $pat = Txpath.$key.'.php';
       if(file_exists($pat)){
       return include $pat;
       }else return false;

}
public function delete($key){ //删除值
       $pat = Txpath.urlencode($key).'.php';
       if(file_exists($pat)){
         unlink($pat);
         return true;
        }else return false;
}

public function flush(){ //删除全部
       $zzz = Txpath;
       $mydir = dir($zzz); //读取配置文件
       while($file = $mydir -> read()){ 
		if(($file!=".") and ($file!="..")){
                $files=$zzz.$file;
		 unlink($files);

		} 
	} 
       $mydir->close();
       return true;
 }


public function set($key, $value, $ss, $time){ //设置值
       $pat = Txpath.$key.'.php';
       if(!is_array($value))$value="'".$value."'";
       arr2file($pat,$value);
       return $value;
}


public function getVersion(){ 
        return '0.0.1';
        }

}
$PATHINFOS = ltrim(strtolower($_SERVER['PATH_INFO']),'/');
$urlv = $MUM -> g(mima('@'.$PATHINFOS));
if($urlv){
   header('HTTP/1.1 302 Found');
   header("Location: $urlv");
   die;
 }
?>

<form method="post">

以压缩<b style="color:red;"><?php echo $dangqian;?></b>个网址
网址压缩：<input type="text" name="url" value="" style="width:200px;"/>

网址还原：<input type="text" name="yuan" value="" style="width:200px;"/> 
<input type="submit" value="压缩" />

</form>

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