实现支持post和get的PHP函数

function getsock($strUrl,$arrParameter=array(),$strMethod="POST"){
 if(!$strUrl||!$strMethod){ return "";}
 $strMethod = strtoupper($strMethod);
 $arrUrl = parse_url($strUrl);
 if($arrUrl["port"]==0){$arrUrl["port"]=80;}
 $fso = fsockopen($arrUrl["host"],$arrUrl["port"],$intErrno,$strError,10);
 if(!$fso){
    return "";
 }else{
    $strFileName = $arrUrl["path"];
    if($arrUrl["query"]!=""){
     $strFileName.= "?".$arrUrl["query"];
  }
 
  $strHeader    = "$strMethod $strFileName HTTP/1.1\r\n";
  $strHeader    .= "Host:".$arrUrl["host"].":".$arrUrl["port"]."\r\n";
  if($strMethod=="POST"){
    if(is_array($arrParameter)){
     $blnFlag = 0;
      foreach($arrParameter as $strKey=>$Value){
       if($blnFlag){
        $strParameter.= "&";
        $blnFlag = 1;
       }
       $strParameter.= $strKey."=";
       $strParameter.= urlencode($Value);
       $blnFlag = 1;
      }
     }
     $intLength = strlen($strParameter);
     $strHeader .= "Content-Type: application/x-www-form-urlencoded\r\n";
     $strHeader .= "Content-Length: ".$intLength."\r\n";
   }
   $strHeader    .= "Connection: Close\r\n\r\n";
   if($strParameter!=""){
     $strHeader    .= $strParameter."\r\n";
   }
   fputs($fso,$strHeader);
   $strResult = "";
   $intHeader = 1;
 
  while(!feof($fs