How to detect whether a PHP script is already running?

Question

I have a cron script that executes a PHP script every 10 minutes. The script checks a queue and processes the data in the queue. Sometimes the queue has enough data to last ov

Answer 1

You can use new Symfony 2.6 LockHandler. Source

$lock = new LockHandler('update:contents');
if (!$lock->lock()) {
    echo 'The command is already running in another process.';
}