友好时间输出

public static function formatTime($date) {   $str = ‘‘;   /* if(is_string($date))   {      $timer = strtotime($date);   }   else{      $timer=$date;   } */

   $timer=$date;

   $diff = $_SERVER[‘REQUEST_TIME‘] - $timer;   $day = floor($diff / 86400);

   if($day > 0) {           if($day<7)           {               return $day."天前";           }           else           {               return date(‘Y-m-d‘, $timer);           }   }

   $free = $diff % 86400;   if($free>0){      $hour = floor($free / 3600);      if($hour>0){         return $hour."小时前";      }

      $free = $free % 3600;      if($free>0){         $min = floor($free / 60);

         if($min>0){            return $min."分钟前";         }         $free = $free % 60;         if($free>0){            return $free."秒前";         }         return ‘刚刚‘;      }      return ‘刚刚‘;   }

   return ‘刚刚‘;}