DateTime类

介绍

用来展示特定格式的日期和时间。

PHP版本支持

(PHP 5 >= 5.2.0, PHP 7)

PHP预定义常量

DateTime::ATOM 

DATE_ATOM 

Atom (example: 2005-08-15T15:52:01+00:00)

DateTime::COOKIE 

DATE_COOKIE 

HTTP Cookies (example: Monday, 15-Aug-2005 15:52:01 UTC)

DateTime::ISO8601 

DATE_ISO8601 

ISO-8601 (example: 2005-08-15T15:52:01+0000) 

Note: This format is not compatible with ISO-8601, but is left this way for backward compatibility reasons. 
Use DateTime::ATOM orDATE_ATOM for compatibility with ISO-8601 instead.

DateTime::RFC822 

DATE_RFC822 

RFC 822 (example: Mon, 15 Aug 05 15:52:01 +0000)

DateTime::RFC850 

DATE_RFC850 

RFC 850 (example: Monday, 15-Aug-05 15:52:01 UTC)

DateTime::RFC1036 

DATE_RFC1036 

RFC 1036 (example: Mon, 15 Aug 05 15:52:01 +0000)

DateTime::RFC1123 

DATE_RFC1123 

RFC 1123 (example: Mon, 15 Aug 2005 15:52:01 +0000)

DateTime::RFC2822 

DATE_RFC2822 

RFC 2822 (example: Mon, 15 Aug 2005 15:52:01 +0000)

DateTime::RFC3339 

DATE_RFC3339 

Same as DATE_ATOM (since PHP 5.1.3)

DateTime::RSS 

DATE_RSS 

RSS (example: Mon, 15 Aug 2005 15:52:01 +0000)

DateTime::W3C 

DATE_W3C 

World Wide Web Consortium (example: 2005-08-15T15:52:01+00:00)