<?php
class TestStream { //data, empty data, empty data + eof
    public $context;
    private $s = 0;
    function stream_open($path, $mode, $options, &$opened_path) {
            return true;
    }
    function stream_read($count) {
        echo "Read done\n";
        if ($this->s++ == 0)
            return "a\nbb\ncc";
        return "";
    }
    function stream_eof() {
        return $this->s >= 2;
    }
}
stream_wrapper_register("test", "TestStream");
$f = fopen("test://", "r");
file_put_contents(1, $f, 1, $f);
?>