stream wrapper for variable input

gistfile1.aw

<?php
/**
 * stream wrapper for variable input
 *  usage:
 *   $val = 'Hello <?php echo "World"; ?> hehe.';
 *   stream_wrapper_register("var", "VariableStream");
 *   include("var://".urlencode($val));
 **/
class VariableStream {
        public $position;
        public $data = null;

        public function url_stat() {
                return;
        }

        public function stream_stat() {
                return;
        }

        public function stream_open($path, $mode, $options, &$opened_path) {
                $url = parse_url($path);
                $this->data = urldecode($url["host"]);
                $this->position = 0;
                return true;
        }

        public function stream_read($count) {
                $ret = substr($this->data, $this->position, $count);
                $this->position += strlen($ret);
                return $ret;
        }

        public function stream_tell() {
                return $this->position;
        }

        public function stream_eof() {
                return $this->position >= strlen($this->data);
        }
}