File: asp.lib.php

<?
//*******************************************
//Active Server Pages Class Definition in PHP
//*******************************************
//require PHP4.04pl or Above
//*******************************************
//Application object is not supported well
//*******************************************
//written by hisun  2001.3
//*******************************************
define("_ASP_LIB_NAME","Active Server Pages Class Definition in PHP");
define("_ASP_LIB_VERSION","v1.0.0");
define("_ASP_LIB_AUTHOR","hisun");
define("_ASP_LIB_AUTHOR_EMAIL","yanghisun@etang.com");
define("_APPLICATION_FILE","application----1234567890abcdefg.app.php");

 require "error.lib.php";

 class clsapplication{
         var $err;
         var $fp,$islocked,$inneritems,$lastfefresh;//don't access it directly
         function additem($key,$item){
                  return false;
         }
         function clsapplication(&$err){
                  $this->err=$err;
                  $this->refreshapp();
                  return $this;
         }
         function genstring($arr){
                   $tmpstr;
                   if(is_array($arr)){
                      foreach($arr as $a){
                              $tmpstr.= $this->genstring($a);
                      }
                   }
                   else{
                        $tmpstr=$arr;
                   }
                   return $tmpstr;
         }
         function ischanged(){
                  $tmpstat=stat(_APPLICATION_FILE);
                  clearstatcache();
                  return (($this->lastrefreh==$tmpstat[9])&&($this->lastrefreh=$tmpstat[9])?false:true);
         }
         function items($key){
                  $this->refreshapp();
                  return $this->inneritems[$key];
         }
         function lock(){
                  if(!$this->fp) $this->fp=fopen(_APPLICATION_FILE,"w");
                  return ($this->islocked=flock($this->fp,1));
         }
         function refreshapp(){
                  $this->inneritems=null;
                  if(!file_exists(_APPLICATION_FILE)){
                      $this->lastrefresh=0;
                      return true;
                  }
                  if($this->ischanged()){
                     $tmpfilecontent=file(_APPLICATION_FILE);
                     for($i=0;$i<count($tmpfilecontent);$i++){
                         switch(substr($tmpfilecontent[$i],0,7)){
                                case "mainkey":
                                      $tmparray=explode("=",$tmpfilecontent[$i]);
                                      $mainkey=$tmparray[1];
                                      break;
                                case "sub_key":
                                      //$tmparray=explode("=",$tmpfilecontent[$i]);
                                      //$this->inneritems[$mainkey][$tmparray[0]]=$tmparray[1];
                                      break;
                                default:
                                        $tmparray=explode("=",$tmpfilecontent[$i]);
                                        $this->inneritems[$mainkey][$tmparray[0]]=$tmparray[1];
                         }
                     }
                  }
         }
         function setitem($key,$value=null){
                  if(strstr($key,"=")) return false;
                  $this->inneritems[$key]=$value;
                  $this->update();
         }
         function unlock(){
                  return (!($this->islocked=(!flock($this->fp,4))));
         }
         function update(){
                  if(!$this->islocked){$this->lock();}

         }
   }

   class clsrequest{
         var $querystring,$querystringcount;
         var $form;
         var $cookies;
         var $servervariables;
         var $files;
         var $totalbytes;
         var $method;
         var $err;

         function binaryread(){
                  return null;
         }
         function clsrequest(&$err){
                  global $QUERY_STRING;
                  global $HTTP_GET_VARS;
                  global $HTTP_POST_VARS;
                  global $HTTP_COOKIE_VARS;
                  global $HTTP_SERVER_VARS;
                  global $HTTP_POST_FILES;
                  $this->err=$err;
                  $this->querystring=$QUERY_STRING;
                  $this->form=(count($HTTP_GET_VARS)?$HTTP_GET_VARS:$HTTP_POST_VARS);
                  $this->cookies=$HTTP_COOKIE_VARS;
                  $this->servervariables=$HTTP_SERVER_VARS;
                  $this->method=$this->servervariables("REQUEST_METHOD");
                  $this->totalbytes=$this->servervariables("CONTENT_LENGTH");
                  $this->files=$HTTP_POST_FILES;
         }

         function cookies($key=null){
                  if($key){
                     return $this->cookies[$key];
                  }
                  else{
                       return $this->cookies;
                  }
         }
         function file($key=null){
                  if($key) return $this->files[$key];
         }
         function files(){
                  return $this->files;
         }
         function form($key=null){
                  if($key){
                     return $this->form[$key];
                  }
                  else{
                       return $this->form;
                  }
         }
         function servervariables($key=null){
                  if($key){
                     return $this->servervariables[$key];
                  }
                  else{
                       return $this->servervariables;
                  }
         }

   }

   class clsresponse{
         var $buffer=true;
         var $contenttype="text/html";
         var $charset;
         var $cookies;
         var $expires;
         var $isclientconnected;
         var $outputstarted=false;
         var $err;

         function addheader($headerinfo){
                  if(!$this->outputstarted){
                      return header($headerinfo);
                  }
                  else{
                       return false;
                  }
         }
         function appendtolog($string){
                  return error_log($string,0);
         }
         function charset($charsetname){
                  $this->charset=$charsetname;
         }
         function clsresponse(&$err){
                  $this->err=$err;
                  return $this;
         }
         function contenttype($ContentType){
                  if($ContentType) $this->contenttype=$ContentType;
                  return $this->addheader("ContentType:".$this->ContentType);
         }
         function cookies($cknm,$ckvl){
                  if(!$this->outputstarted) {
                      setcookie($cknm,$ckvl);
                      return true;
                  }
                  else{
                       return false;
                  }
         }
         function flush(){
                  return flush();
         }

         function isclientconnected(){
                  return ($this->isclientconnected=(connection_status()==0)?true:false);
         }

         function redirect($targeturl){
                  return $this->addheader("Location:$targeturl");
         }

         function write($outstr=null){
                  if($outstr) echo "<br>";
                  if(is_array($outstr)){
                     echo implode("\n",$outstr);
                  }
                  else{
                       echo $outstr;
                  }
                  return ($this->outputstarted=true);
         }
   }

   class clsserver{
         var $scripttimeout=30;
         var $err,$lasterror,$application,$request,$response,$session;
         var $software,$name,$address,$port,$signature;
         var $version;
         function base64encode($string){
                  return base64_encode($string);
         }
         function clsserver(&$err){
                  $this->err=$err;
                  //global $application;
                  global $session;
                  global $request;
                  global $response;
                  //$this->application=$application;
                  $this->session=$session;
                  $this->request=$request;
                  $this->response=$response;
                  $this->version();
                  $this->soft=$this->request->servervariables("SERVER_SOFTWARE");
                  $this->name=$this->request->servervariables("SERVER_HOST");
                  $this->address=$this->request->servervariables("SERVER_ADDR");
                  $this->port=$this->request->servervariables("SERVER_PORT");
                  $this->signature=$this->request->servervariables("SERVER_SIGNATURE");
                  return $this;
         }

         function createobject($progid){
                  return new COM($progid);
         }
         function execute($path){
                  return false;
         }
         function getlasterror(){
                  return $this->lasterror;
         }
         function htmlencode($orghtmlstr){
                  return htmlspecialchars($orghtmlstr);
         }
         function mappath($path){
                  return false;
         }
         function md5($string){
                  return md5($string);
         }
         function scripttimeout($time){
                  return set_time_limit($this->scripttimeout=$time);
         }
         function transfer($path){
                  if($paht){
                  }
         }
         function urlencode($orgurl){
                  return urlencode($orgurl);
         }
         function version(){
                  return ($this->version=_ASP_LIB_NAME." "._ASP_LIB_VERSION." by "._ASP_LIB_AUTHOR);
         }
   }

    class clssession{
         var $codepage;
         var $lcid;
         var $contents;
         var $sessionid;
         var $err;

         function abandon(){
                  return session_destroy();
         }
         function contents($key,$value=null){
                  if(!session_is_registered($$key)){
                      session_register($$key);
                  }
                  global $$key;
                  if($value) $$key=$value;
                  return $$key;
         }
         function clssession(){
                  $this->err=$err;
                  session_start();
                  $this->sessionid=session_id();
                  return $this;
         }
         function remove($key){
                  if($key) return session_unregister($$key);
         }
         function removeall(){
                  return false;
         }

   }

   class dictionary{
         var $items;
         var $count;
         function additem($key,$value){
                  $this->items[$key]=$value;
                  $this->count();
         }
         function count(){
                  return($this->count=count($this->items));
         }

         function dictionary(){
                  $this->items=array();
                  return $this;
         }
         function exists($key){
                  return in_array($key,array_keys($this->items));
         }
         function items($key=""){
                  if(!$key){
                      return $this->items;
                  }
                  else{
                       return $this->items[$key];
                  }
         }
         function remove($key){
                  unset($this->items[$key]);
                  $this->count();
         }
         function removeall(){
                  $this->items=null;
                  $this->count=0;
         }
         function removeitem($key){
                  return $this->remove($key);
         }
   }

   $err=new clserror();
   //$application=new clsapplication($err);
   $session=new clssession($err);
   $request=new clsrequest($err);
   $response=new clsresponse($err);
   $server=new clsserver($err);
   //
   //*****************************************************
   //don't change anything above
   //_____________________________________________________
   //*****************************************************
   //-----------------------------------------------------
   //
   //***************************
   //useage sample
   //***************************
   //require "asp.lib.php";  //this must be the first line
   //
   //$dict =new dictionary;  //keyword "new" need here
   //$dict->additem("key1","value1");
   //...
   //$response->write($dict->count);
   //if($dict->exists("key1")) $response->write("key1 exists");
   //$dict->remove("key1"); or $dict->removeall();
   //
   //
   //$response->write($server->version());
   //$response->write();
   //$response->write($server->md5($server->version()));
   //$response->write($server->base64encode($server->version()));
   //$server->request->err->isfotalerr=true;
   //$server->request->err->raise();
   //
   //$session->contents("session_name","session_value");
   //$response->write($request->servervariables("PATH_TRANSLATED"));
   //$conn=server->createobject("ADODB.CONNECTION");    //keyword "new" need not
   //$conn->ConnectionString="Driver={SQL Server};Server=servername;uid=uid;passwd=password;database=database";
   //$conn->Open();
   //$response->write("ADO Version is V".$conn->version);
   //$rs=server->createobject("ADODB.Recordset");
   //$sql="SELECT * FROM tablename";
   //$rs->Open($slq,$conn,$cursortype,$locktype);
   //$response->write($rs->GetString("-","<br>"));
   //$rs->close();
   //$conn->close();
   //$rs=null;      //like set conn=nothing in asp
   //$conn=null;
   //
   //$session->abdon();
   //    //seample end;
   //
?>