{"id":78,"date":"2021-12-04T19:54:58","date_gmt":"2021-12-04T10:54:58","guid":{"rendered":"https:\/\/www.b64.pw\/blog\/?p=78"},"modified":"2021-12-04T19:54:58","modified_gmt":"2021-12-04T10:54:58","slug":"php8-1%e3%81%ae%e6%96%b0%e6%a9%9f%e8%83%bd%e7%b4%b9%e4%bb%8b-new-in-initializers","status":"publish","type":"post","link":"https:\/\/www.b64.pw\/blog\/?p=78","title":{"rendered":"PHP8.1\u306e\u65b0\u6a5f\u80fd\u7d39\u4ecb New in initializers"},"content":{"rendered":"\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u521d\u671f\u5316\u306bnew\u6f14\u7b97\u5b50\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<br>\u304a\u304b\u3052\u3067\u3053\u3046\u3044\u3046\u30b3\u30fc\u30c9\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u3082\u3061\u308d\u3093\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u4ee5\u5916\u3067\u3082\u4f7f\u3048\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class InitSample{\n    public function __construct(protected DateTime $time = new DateTime('now',new DateTimeZone('UTC'))){\n        $this->time = $time;\n    }\n    public function getTimeString():string{\n        return $this->time->format('Y-m-d H:i:s');\n    }\n    public function tmpTime(DateTime $tmpTime = new DateTime('now',new DateTimeZone('UTC'))):string{\r\n        return $tmpTime->format('Y-m-d H:i:s');\r\n    }\n}\n$dt = new InitSample();\/\/ now\necho $dt->getTimeString().PHP_EOL;\/\/ 2021-12-04 10:31:10\r\nsleep(1);\r\necho $dt->tmpTime().PHP_EOL;\/\/ 2021-12-04 10:31:11\r\necho $dt->getTimeString().PHP_EOL;\/\/ 2021-12-04 10:31:10<\/code><\/pre>\n\n\n\n<p>\u500b\u4eba\u7684\u306b\u306fstatic::$foo\u3084static::FOO\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u307b\u3057\u3044\u306a\u3068\u304a\u3082\u3046\u3082\u306e\u306e\u3001<br>\u3053\u308c\u304c\u3042\u308b\u3060\u3051\u3067\u3082\u3060\u3044\u3076\u66f8\u304d\u3084\u3059\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u521d\u671f\u5316\u306bnew\u6f14\u7b97\u5b50\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u304a\u304b &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/78"}],"collection":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78"}],"version-history":[{"count":1,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions"}],"predecessor-version":[{"id":79,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions\/79"}],"wp:attachment":[{"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.b64.pw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}