Description:
------------
<http://www.php.net/manual/en/streamwrapper.stream-metadata.php> mentions a bunch 
of constants but none appear to be defined.

Test script:
---------------
<?php
echo PHP_STREAM_META_TOUCH . "\n";
echo PHP_STREAM_META_OWNER_NAME . "\n";
echo PHP_STREAM_META_OWNER . "\n";
echo PHP_STREAM_META_GROUP_NAME . "\n";
echo PHP_STREAM_META_GROUP . "\n";
echo PHP_STREAM_META_ACCESS . "\n";

Expected result:
----------------
1
2
3
4
5
6


Actual result:
--------------
PHP_STREAM_META_TOUCH
PHP_STREAM_META_OWNER_NAME
PHP_STREAM_META_OWNER
PHP_STREAM_META_GROUP_NAME
PHP_STREAM_META_GROUP
PHP_STREAM_META_ACCESS