Bug #71796 [Com]: exec cant work when the cmd is too long

[email protected] ("g dot sokol99 at g-sokol dot info")
Newsgroups php.standards
Message-ID <[email protected]>
Edit report at https://bugs.php.net/bug.php?id=71796&edit=1

 ID:                 71796
 Comment by:         g dot sokol99 at g-sokol dot info
 Reported by:        hehu2012 at gmail dot com
 Summary:            exec cant work when the cmd is too long
 Status:             Open
 Type:               Bug
 Package:            PHP Language Specification
 Operating System:   Centos6.7 x86
 PHP Version:        7.0.4
 Block user comment: N
 Private report:     N

 New Comment:

Do you use "ffmpeg" instead of "`fmpeg"?


Previous Comments:
------------------------------------------------------------------------
[2016-03-11 11:35:07] hehu2012 at gmail dot com

Description:
------------
 I use

    exec("`fmpeg -i /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.mp4 -y -f mjpeg -ss 3 -t 0.001 -s 640x1136 /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.jpg")

in php file, it doesn't work. But I use `exec("whoami")`, it work well. When I use

    fmpeg -i /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.mp4 -y -f mjpeg -ss 3 -t 0.001 -s 640x1136 /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.jpg

in command line it work well. But when I use

    exec("`fmpeg -i /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.mp4 -y -f mjpeg -ss 3 -t 0.001 -s 640x1136 /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.jpg")

in php it doesn't work.

Test script:
---------------
exec("fmpeg -i /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.mp4 -y -f mjpeg -ss 3 -t 0.001 -s 640x1136 /var/www/ad-1/www/uploads/ad/v/5e/8f/98/88/5e8f98881c4da88fb31a1fe1b93c45d6.jpg")

Expected result:
----------------
exec can work well when the cmd is long?

Actual result:
--------------
It return code 127


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



--
Edit this bug report at https://bugs.php.net/bug.php?id=71796&edit=1
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.