public static function get_chinese_standard_date($timestamp = NULL) { $format = "Y年m月d日"; return date($format, $timestamp ? $timestamp : time()); } public static function get_chinese_friendly_datetime($timestamp) { $now = time(); $step = $now - $timestamp; if ($step < 10) { return "刚刚"; } elseif ($step < 60 && $step >= 10) { return "{$step}秒前"; } elseif ($step < 3600 && $step >= 60) { return intval($step / 60) . "分钟前"; } elseif ($step < 86400 && $step >= 3600) { return intval($step / 3600) . "小时前"; } elseif ($step < 604800 && $step >= 86400) { return intval($step / 86400) . "天前"; } elseif ($step < 2592000 && $step >= 604800) { return intval($step / 604800) . "星期前"; } elseif ($step < 31536000 && $step >= 2592000) { return intval($step / 2592000) . "个月前"; } else { return intval($step / 31536000) . "年前"; } } } // 使用示例 echo DateTimeUtil::get_chinese_standard_datetime();