Feb 21, 2018 · As noted in the shell_exec manual page, when you actually require a return code from the command being executed, you have no choice but to use exec. Share Improve this answer

May 31, 2012 · It is possible to run an external command by three PHP functions of system(); exec(); shell_exec(); but what are their differences? In spite of their specific applications, in most cases, the can be

The exec built-in command mirrors functions in the kernel, there are a family of them based on execve, which is usually called from C.

Jun 22, 2024 · exec is a shell builtin, which is the shell equivalent of the exec family of system calls that G_P speaks of (and whose manpages you appear to have read). It just has the POSIX mandated functionality of affecting the current shell if no command is specified.

Mar 10, 2021 · I have a tube with MechBunny script on it, and the encoder is not running at all. The developer said it is because shell_exec being blocked. I quote: "you most likely have shell_exec on the list of disabled functions in php" Tried searching in php.ini, but I only see this: disable_functions= How can I find shell_exec and enable or disable it ...

Mar 6, 2017 · Most likely the web server doesn't have appropriate rights to execute shell commands. To fix this, run the 'sudo visudo' command and add the following line to the sudoers file:

Sep 20, 2012 · Each command to shell_exec runs in its own shell. Thus, if you do a cd, that will only affect that command.

Aug 1, 2009 · Technically speaking it duplicates, or copies, stderr onto stdout. Usually you don't need the exec to perform this.

Feb 6, 2015 · Use .Stdout.ReadLine() until the process has finished and .Stdout.ReadAll() to slurp the rest of the output - as in

Jun 26, 2012 · Don't forget to escape your command with escapeshellcmd().This will prevent you from having to use ugly backslashes and escape characters.