Supported Versions: PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8
Waits on or returns the status of a forked child
pcntl_waitpid(    int $process_id,    int &$status,    int $flags 0,    array &$resource_usage = []): int
            }

        }



        while (
pcntl_waitpid(0$status) != -1) {

            
$status pcntl_wexitstatus($status);

            
$result *= $status;

        }