Edit report at https://bugs.php.net/bug.php?id=60131&edit=1
ID: 60131
Patch added by: cataphr...@php.net
Reported by: frederic dot hardy at mageekbox dot net
Summary: fopen('php://stdout'...) redirect all posterious
echo to /dev/null
Status: Wont fix
Type: Bug
Package: Streams related
Operating System: Mac OS Snow Leopard
PHP Version: 5.3.8
Block user comment: N
Private report: N
New Comment:
The following patch has been added/updated:
Patch Name: bug60131.diff
Revision: 1319944441
URL:
https://bugs.php.net/patch-display.php?bug=60131&patch=bug60131.diff&revision=1319944441
Previous Comments:
------------------------------------------------------------------------
[2011-10-30 03:09:23] cataphr...@php.net
Won't fix since some people rely on this behavior. What happens is the first
time you fopen stdout, the file descriptor 1 is not duped and exposed with a
stream, instead the stdlib FILE* is exposed through a stream. When the stream
is closed, the FILE* is closed too, potentially also closing stdout, i.e., a
close(1) syscall (which is what happens in your case â since you don't assign
the return of fopen, the stream is immediately destroyed). Turns out some
people use this technique to close the standard file descriptors and open
others (and AFAIK there's no other way to do it in PHP).
------------------------------------------------------------------------
[2011-10-25 14:24:53] frederic dot hardy at mageekbox dot net
Description:
------------
If fopen('php://stdout', ...) is used in a php processus open with proc_open(),
all posterious call to echo or print seems to be redirected to /dev/null.
Test script:
---------------
<?php
$descriptors = array(
0 => array("pipe", "r"),
1 => array("pipe", "w")
);
$php = proc_open('php', $descriptors, $pipes);
stream_set_blocking($pipes[1], 0);
fwrite($pipes[0], '<?php echo \'foo\'; fopen(\'php://stdout\', \'w\'); echo
\'bar\'; ?>');
fclose($pipes[0]);
$null = null;
$select = array($pipes[1]);
while (feof($pipes[1]) === false)
{
if (stream_select($select, $null, $null, null))
{
var_dump(stream_get_contents($pipes[1]));
}
}
Expected result:
----------------
foobar
Actual result:
--------------
foo
------------------------------------------------------------------------
--
Edit this bug report at https://bugs.php.net/bug.php?id=60131&edit=1
