ID:               25727
 Updated by:       [EMAIL PROTECTED]
 Reported By:      [EMAIL PROTECTED]
-Status:           Open
+Status:           Feedback
 Bug Type:         Filesystem function related
 Operating System: i386 Linux
 PHP Version:      4CVS-2003-10-02 (stable)
 New Comment:

If you pclose before all the data has been read, you might
cause the child process to terminate abnormally, and this
might explain the exit code.

In addition, fread() will only read a "packet" from a pipe,
so you might not be getting all the data before you pclose
it.

*that's* what fread/fgets() has got to do with it;
in future, please don't question my suggestions and just
provide the requested feedback.




Previous Comments:
------------------------------------------------------------------------

[2003-10-02 08:38:42] [EMAIL PROTECTED]

What has the fread/fgets to do with the problem? I'm talking about the
exitcode here. The fread-line is just a demonstration, that the command
is carried out correctly.

------------------------------------------------------------------------

[2003-10-02 08:20:43] [EMAIL PROTECTED]

Try using fgets()

------------------------------------------------------------------------

[2003-10-02 08:00:43] [EMAIL PROTECTED]

Description:
------------
Apparently this has something to do with the environment-variables in
the shell, popen uses to execute the command. If I replace "echo FOO"
with "export" I get the whole line of variables and then it fails,
whereas the successful execution only has one, BASH=/bin/sh. I use php
-n so no php.ini is used.

Reproduce code:
---------------
<?php
$pp = popen("echo FOO", "r");
echo fread($pp, 4096);
var_dump(pclose($pp));
?>


Expected result:
----------------
FOO
int(0)


Actual result:
--------------
FOO
int(-1)



------------------------------------------------------------------------


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