1--TEST--
2XMLWriter::toStream() - invalidating stream
3--EXTENSIONS--
4xmlwriter
5--FILE--
6<?php
7
8$h = fopen("php://output", "w");
9
10$writer = XMLWriter::toStream($h);
11$writer->startElement("root");
12fclose($h);
13$writer->writeAttribute("align", "left");
14$writer->endElement();
15var_dump($writer->flush());
16unset($writer);
17
18?>
19--EXPECT--
20int(-1)
21