Checking if process still running?

Question

As a way to build a poor-man\'s watchdog and make sure an application is restarted in case it crashes (until I figure out why), I need to write a PHP CLI script that will be

Answer 1

You can try this, which combines bits of those two approaches:

function processExists($processName) {
    $exists= false;
    exec("ps -A | grep -i $processName | grep -v grep", $pids);
    if (count($pids) > 0) {
        $exists = true;
    }
    return $exists;
}

If that doesn't work, you may want to just try running the ps command on your system and seeing what output it gives.