Alternative method of uploading pictures in php (PHP uses Socket to upload pictures)_PHP tutorial

function varinfo($str) {
echo "

";
var_dump($str);
echo "
";
}
$commonProtocol = getprotobyname("tcp");
$socket = socket_create(AF_INET, SOCK_STREAM, $commonProtocol);
if ($socket) {
$result = socket_bind($socket, ' 192.168.3.57', 1337);
if ($result) {
 $result = socket_listen($socket, 5);
 if ($result) {
 echo "Listening successful";
 }
}
}else{
echo "Monitoring failed";
}
//$path = "/home/upload/";
$path = "e://web//";
while (true) { 
$connection = socket_accept($socket);
if($connection){ 
 $msg = "telnet succeed!rn";
 socket_write($connection, $msg, strlen($msg)); 

 $BufferPond = array(); 
 $buffer = '';
 while($flag = socket_recv($connection, $buffer, 1024, 0)){ 
 if (false !== strpos($buffer,'filename:')){ 
 $filename = substr ($buffer,9);
 $filename = $path.$filename;
 $fp = fopen($filename,"wb");
 continue; 
 }         fwrite($ fp,$buffer);
 }
 fclose($fp);
 socket_close($connection); 
} 
} 
socket_close($socket); 
?> ;

if (!$fp) {
echo "$errstr ($errno)
n";
} else {
$str = "filename:socket_file.bmp";
fwrite($fp, $str); $out = file_get_contents('../../iphone3G .bmp');
if($out){
fwrite($fp, $out);
fwrite($fp,'over');
echo "Upload successful";
}

}
fclose($fp);
?>