php将时间差转换为字符串提示

这看起来更加人性化，好吧，上代码 复制代码 代码如下: <?php class timeAgo { static $timeagoObject; private $rustle; private $unit; private function __construct() { } private function __clone(){ } public static function getObject() { if(! (self::$timeagoObject instanceof self) ) self::$timeagoObject = new timeAgo(); return se