睡眠排序法 睡眠排序算法-php版

php;toolbar:false;"><?php
$pids = array();
for ($i=1; $i<$argc; $i++)
{
        if (($pid = pcntl_fork()) == 0)
        {
                $sleep = intval($argv[$i]);
                sleep($sleep);
                echo $sleep."\n";
                exit();
        }
        else if ($pid == -1)
        {
                die();
        }
        else
        {
                $pids[] = $pid;
        }
}

foreach($pids as $pid)
        pcntl_waitpid($pid, $status);
?>

                                调用方法

                                php sleepsort.php; 1 3 5 6 2