php command line on windows

Question

I'm using php on WAMP. I'm trying to run an external program prog.exe under directory abc which takes one numeric parameter. the following command on DOS command line works fine

c:\abc\prog.exe 1234

but when I do it in php script it doesn't run.

$val="1234";
$comm = passthru("C:\abc\prog.exe ".$val)

but

$comm = passthru("dir");
echo $comm;

works fine.

I'm running Windows 7.

P.S I've also tried system() and shell_exec()

What do you mean by 'it doesn't run'? As in the prog.exe is not getting the arguments? — Ryan
– Ryan, Commented Jun 12, 2012 at 19:12
the page seems to be loading but nothing happens until timeout.. — Ank
– Ank, Commented Jun 12, 2012 at 19:13
prog.exe is getting the argument.. it I do echo (whatever I'm passing through system) and then run it in command line, its fine.. — Ank
– Ank, Commented Jun 12, 2012 at 19:14
What's your program do? If a program is started with this function, in order for it to continue running in the background, the output of the program must be redirected to a file or another output stream. Failing to do so will cause PHP to hang until the execution of the program ends. here — sachleen
– sachleen, Commented Jun 12, 2012 at 19:14

Niet the Dark Absol · Accepted Answer · 2012-06-12 19:13:53Z

3

\ needs to be escaped as \\, or else you should use single quotes.

EITHER:

passthru("C:\\abc\\prog.exe ".$val);

OR:

passthru('C:\abc\prog.exe '.$val);

answered Jun 12, 2012 at 19:13

Niet the Dark Absol

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8 Comments

Niet the Dark Absol Over a year ago

@bsdnoobz Um... I don't think so?

Eugen Rieck Over a year ago

Or passthru("C:/abc/prog.exe $val");

flowfree Over a year ago

@Kolink oops, you're right. I didn't notice the single-quote.

Ank Over a year ago

@Kolink Both do not work.. Can it be a permission issue or something.. What should be the equivalent of chmod in windows. Do it have to give abc.exe execution rights..

Niet the Dark Absol Over a year ago

Consider running your script through PHP's CLI. That way you should be able to see anything it's doing, as well as kill it if it takes too long.

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