Bug #69847 [Ana->Wfx]: exec() : output parameter empty since 5.6.3

Edit report at https://bugs.php.net/bug.php?id=69847&edit=1 ID: 69847 Updated by: cmb@php.net Reported by: marcaurel at gmx dot de Summary: exec() : output parameter empty since 5.6.3 -Status: Analyzed +Status: Wont fix Type: Bug Package: Program Execution Operating System: Windows Server 2008 R2 SP1 PHP Version: 5.6.10 Assigned To: cmb Block user comment: N Private report: N New Comment: I don't see a valid use case for calling a batch script which calls timeout, so I'm closing as WONTFIX. Previous Comments: ------------------------------------------------------------------------ [2021-10-12 15:26:33] cmb@php.net This not not specific to IIS (FCGI); I can reproduce with apache2handler as well. This issue has likely been introduced by fixing bug #51800. However, when I revert the respective commit, I still don't get the expected results; other relevant changes may have happened in the meantime. Anyhow, when PHP peeks the pipe, Windows reports ERROR_BROKEN_PIPE; presumably, the timeout command requires a console, but for these SAPIs, there is no console, so the execution of the command is stopped. ------------------------------------------------------------------------ [2015-09-04 12:19:36] prenaudet at asso-synergie dot fr I have the same but I have reproduce this bug <?php $output = ''; exec('echo a && echo. && echo b && (timeout 1 >nul) && echo c', $output); echo count($output); ?> With this code we have in output "3" The $output is array (size=3) 0 => string 'a' (length=1) 1 => string '' (length=0) 2 => string 'b' (length=1) but the $output must be array (size=4) 0 => string 'a' (length=1) 1 => string '' (length=0) 2 => string 'b' (length=1) 4 => string 'c' (length=1) Bug is present on PHP 5.6.11 On Windows 2008R2, 2012, 2012R2 With respectively IIS 7.5, 8 and 8.5 Foreach launch the command in Shell produce : a b c When we laucnh command by PHP directly (no IIS) this bug is not present This bug is not present on PHP5.5.4 (when launched by IIS) (previously version on servers) The programme is not interupted, just output was truncated ------------------------------------------------------------------------ [2015-06-28 04:22:23] php-bugs at lists dot php dot net No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. ------------------------------------------------------------------------ [2015-06-24 13:57:34] marcaurel at gmx dot de unfortunately this bug is very hard to reproduce. As yet I couldn't write a simplified version of the scripts, which didn't show the same problem. I'll continue trying... and else I will add the normal scripts (which are a bit lengthy) here. ------------------------------------------------------------------------ [2015-06-19 11:13:51] ab@php.net Thank you for this bug report. To properly diagnose the problem, we need a short but complete example script to be able to reproduce this bug ourselves. A proper reproducing script starts with <?php and ends with ?>, is max. 10-20 lines long and does not require any external resources such as databases, etc. If the script requires a database to demonstrate the issue, please make sure it creates all necessary tables, stored procedures etc. Please avoid embedding huge scripts into the report. ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=69847 -- Edit this bug report at https://bugs.php.net/bug.php?id=69847&edit=1