php 数值转多少年，多少天，多少时，多少分，多少秒

function Sec2Time($time){
    if(is_numeric($time)){
        $value = array(
                "years" => 0, "days" => 0, "hours" => 0,
                "minutes" => 0, "seconds" => 0,
        );
        if($time >= 31556926){
            $value["years"] = floor($time/31556926);
            $time = ($time%31556926);
        }
        if($time >= 86400){
            $value["days"] = floor($time/86400);
            $time = ($time%86400);
        }
        if($time >= 3600){
            $value["hours"] = floor($time/3600);
            $time = ($time%3600);
        }
        if($time >= 60){
            $value["minutes"] = floor($time/60);
            $time = ($time%60);
        }
        $value["seconds"] = floor($time);
        return (array) $value;
    }else{
        return (bool) FALSE;
    }
}