--TEST-- php://fd wrapper: invalid file descriptor --SKIPIF-- <?php include('skipif.inc'); if(substr(PHP_OS, 0, 3) == "WIN") die("skip Not for Windows"); //we'd need a release and a test variation for windows, because in debug builds we get this message: //Warning: Invalid parameter detected in CRT function '_dup' (f:\dd\vctools\crt_bld\self_x86\crt\src\dup.c:52) //I greped the CRT sources and found no function capable of validating a file descriptor --FILE-- <?php fopen("php://fd/12", "w"); echo "\nDone.\n"; --EXPECTF-- Warning: fopen(php://fd/12): failed to open stream: Error duping file descriptor 12; possibly it doesn't exist: [9]: %s in %s on line %d Done.