PHP的Date用法

一篇好文：

https://thevaluable.dev/php-datetime-create-compare-format/#:~:text=In%20order%20to%20compare%20those,new%20object%20of%20type%20DateInterval%20.&text=The%20output%20indicate%20that%20there,difference%20between%20the%20two%20dates.

官方解释： https://www.php.net/manual/en/function.date.php

 1 <?php
 2 
 3 class Login
 4 {
 5     /**
 6      * event info
 7      * @var dynamic object
 8      * https://krisjordan.com/blog/2008/11/27/dynamic-properties-in-php-with-stdclass
 9      */
10     public $event;
11     private $timezone;
12     private $timezoneUTC;
13 
14     public function __construct() {
15         $this->timezone = new DateTimeZone("Asia/Shanghai");
16         $this->timezoneUTC = new DateTimeZone("UTC");
17         $this->initEvent();
18     }
19     public function initEvent()
20     {
21         $this->event= new stdClass();
22         $startDate = "2021-03-01 00:00:00";
23         $endDate = "2021-03-31 23:59:59";
24         $this->event->startDate = new DateTime($startDate, $this->timezone);
25         $this->event->endDate = new DateTime($endDate, $this->timezone);
26         return true;
27     }
28 
29     public function index($request)
30     {
31         $post = isset($request->post) ? $request->post : [];
32 
33         //@TODO 业务代码
34         $now = new DateTime("now", $this->timezone);
35         $diff = $this->event->startDate->diff($now); //8 days
36         $eventStartStr = date_format($this->event->startDate, 'Y-m-d H:i:sP'); //2021-03-01 00:00:00+08:00
37         $nowStr = date_format($now, 'Y-m-d H:i:sP'); //2021-03-09 09:07:22+08:00
38 
39         //change to UTC timezone
40         //https://stackoverflow.com/questions/29019927/php-cant-set-correct-datetimezone-to-datetime
41         //$nowUTC = $now->setTimeZone($this->timezoneUTC);
42 
43         $res = array("now" => $now, "nowStr" => $nowStr, "eventStart" => $this->event->startDate, "evenStartStr" => $eventStartStr, "diff" => $diff);
44         return json_encode($res);
45     }
46 }

 

 1 {
 2     "now": {
 3         "date": "2021-03-11 16:39:05.965319",
 4         "timezone_type": 3,
 5         "timezone": "Asia/Shanghai"
 6     },
 7     "nowStr": "2021-03-11 16:39:05+08:00",
 8     "eventStart": {
 9         "date": "2021-03-01 00:00:00.000000",
10         "timezone_type": 3,
11         "timezone": "Asia/Shanghai"
12     },
13     "evenStartStr": "2021-03-01 00:00:00+08:00",
14     "diff": {
15         "y": 0,
16         "m": 0,
17         "d": 10,
18         "h": 16,
19         "i": 39,
20         "s": 5,
21         "f": 0.965319,
22         "weekday": 0,
23         "weekday_behavior": 0,
24         "first_last_day_of": 0,
25         "invert": 0,
26         "days": 10,
27         "special_type": 0,
28         "special_amount": 0,
29         "have_weekday_relative": 0,
30         "have_special_relative": 0
31     }
32 }

 

posted @ 2021-03-08 23:56  若愚Shawn  阅读(358)  评论(0)  编辑  收藏  举报