{"id":98655,"date":"2020-11-29T02:42:44","date_gmt":"2020-11-29T00:42:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/php-8-0-0"},"modified":"2020-11-29T02:42:44","modified_gmt":"2020-11-29T00:42:44","slug":"php-8-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/php-8-0-0","title":{"rendered":"PHP 8.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A PHP fejleszt\u0151csapata bejelentette a nyelv \u00faj verzi\u00f3j\u00e1nak megjelen\u00e9s\u00e9t \u2014 PHP 8.0.0.<\/p>\n<p>Fejleszt\u00e9sek \u00e9s \u00faj lehet\u0151s\u00e9gek:<\/p>\n<ul>\n<li>\n<p>Uni\u00f3s t\u00edpusok. A PHPDoc annot\u00e1ci\u00f3k helyett az t\u00edpusok kombin\u00e1l\u00e1s\u00e1hoz haszn\u00e1lhatja a nat\u00edv uni\u00f3s t\u00edpusnyilatkozatokat, amelyek fut\u00e1sid\u0151ben ellen\u0151rizhet\u0151k.<\/p>\n<\/li>\n<li>\n<p>N\u00e9vleges argumentumok. A PHPDoc annot\u00e1ci\u00f3k helyett most m\u00e1r struktur\u00e1lt metadat\u00e1kat haszn\u00e1lhatunk a nat\u00edv PHP szintaxissal.<\/p>\n<\/li>\n<li>\n<p>Nullsafe oper\u00e1tor. A null ellen\u0151rz\u00e9se helyett most m\u00e1r egy \u00faj nullsafe oper\u00e1torral l\u00e1ncolhatunk h\u00edv\u00e1sokat. Amikor a l\u00e1nc egyik elem\u00e9nek ellen\u0151rz\u00e9se nem siker\u00fcl, az eg\u00e9sz l\u00e1nc v\u00e9grehajt\u00e1sa megszakad, \u00e9s nullra cs\u00f6kkent.<\/p>\n<\/li>\n<li>\n<p>Just-in-time ford\u00edt\u00e1s. A PHP 8-ban k\u00e9t JIT motor is megjelent. A Tracing JIT, a kett\u0151 k\u00f6z\u00fcl a leg\u00edg\u00e9retesebb, jav\u00edtja a teljes\u00edtm\u00e9nyt: h\u00e1romszoros a szintetikus teszteken \u00e9s 1,5-2-szeres bizonyos specifikus alkalmaz\u00e1sokon. Az alkalmaz\u00e1s tipikus teljes\u00edtm\u00e9nye megegyezik a PHP 7.4-gyel.<\/p>\n<\/li>\n<\/ul>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/16026169\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 PHP \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u044f\u0437\u044b\u043a\u0430 \u2014 PHP 8.0.0. \u0423\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0438 \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438: Union Types. \u0412\u043c\u0435\u0441\u0442\u043e \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0439 PHPDoc \u0434\u043b\u044f \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u0438 \u0442\u0438\u043f\u043e\u0432 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0435 \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u0430 union, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0442\u0441\u044f \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f. \u0418\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u044b. \u0412\u043c\u0435\u0441\u0442\u043e \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0439 PHPDoc \u0442\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u0442\u0430\u0434\u0430\u043d\u043d\u044b\u0435 \u0441 \u0440\u043e\u0434\u043d\u044b\u043c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u043e\u043c PHP. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 nullsafe. \u0412\u043c\u0435\u0441\u0442\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-98655","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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