PHP exec on windows opens cmd window

Question

I'm running PHP on win XP and I'm using exec() for some stuff in my program but every time the exec() is running a cmd.exe window is opened for a few seconds on the server. How can I make it run in the background ?

Syscall · Accepted Answer · 2022-01-17 12:19:01Z

3

Prefix the command with start /B.

$process = popen("start /B ". $cmd, "r");

https://www.php.net/manual/function.exec.php#86329

edited Jan 17, 2022 at 12:19

Syscall

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answered Jul 28, 2012 at 18:15

ashastral

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Ben · Accepted Answer · 2012-07-28 18:25:22Z

1

$WshShell = new COM("WScript.Shell");
$oExec = $WshShell->Run('yourprogpath', 0, false);

Windows only.

EDIT - I think Fraxtil's answer is probably better if it works across windows and unix.

edited Jul 28, 2012 at 18:25

answered Jul 28, 2012 at 18:13

Ben

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2 Comments

ashastral Over a year ago

My answer doesn't work on Unix, actually. The start command is Windows-specific. The comment I linked to does provide an OS-agnostic solution, though.

Ben Over a year ago

O.k. Probably worth noting that it also opens a file pointer to the process that you can read and write to (could be handy). Will it wait until the procces completes or is it asynchronous? Couldn't really work it out from docs.

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