<?php
class FileStream {
    var $fp;
   
    function stream_open($path, $mode, $options, &$opened_path) 
    {
        $url = parse_url($path);
        $this->fp = fopen($url["host"], $mode);

        return true;
    }

    function stream_read($count) 
    {
        return fread($this->fp, $count);
    }

    function stream_write($data) 
    {
        return fwrite($this->fp, $data);
    }

    function stream_tell() 
    {
        return ftell($this->fp);
    }

    function stream_eof() 
    {
        return feof($this->fp);
    }

    function stream_seek($offset, $whence) 
    {
        return fseek($this->fp, $offset, $whence);
    }
}

stream_wrapper_register("myFile", "FileStream")
    or die("Failed to register protocol");

$fp = fopen("myFile://file", "w+");

fwrite($fp, "line1\n");
fwrite($fp, "line2\n");
fwrite($fp, "line3\n");

rewind($fp);
while (!feof($fp)) {
    echo fgets($fp);
}
fclose($fp);

?>