PHP passthru() Your Essential Guide to CMD Command Execution

I am writing a PHP page that runs an external script. The script writes some text to a .txt file. When I run the script on the command line, it ... ... export CMD="/bin/sh" php -r 'system(getenv("CMD"));' · export CMD="/bin/sh" php -r 'passthru(getenv("CMD"));' · export CMD="/bin/sh" php -r 'print(shell_exec( ... 1 Answer 1 · exec() defaults the current working directory to the path of the PHP script, which in my case is a UNC path. · cmd.exe does not allow ... Web shells are hard to detect. This command will run system commands on the underlying system and return the complete output as a string. I have a formatted string to execute that works fine in the cmd window, but I can't get to work in php exec(). I tried every combination of ... $output = shell_exec('ls /home/ec2-user'); echo "

$output

" ... You need to use the $argv variable built in to PHP. Exec() method emulate the command line, meaning exec("example.php") works the same as php -f example.php on ... When i run it with PHP exec() it still gives /usr/local/bin/ffmpeg: error while loading shared libraries: libmp3lame.so.0: cannot open shared object file.