{"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\/it\/blog\/news\/php-8-0-0","title":{"rendered":"PHP 8.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il team di sviluppatori PHP ha annunciato il rilascio della nuova versione del linguaggio \u2014 PHP 8.0.0.<\/p>\n<p>Miglioramenti e nuove funzionalit\u00e0:<\/p>\n<ul>\n<li>\n<p>Tipi unione. Invece delle annotazioni PHPDoc per la combinazione di tipi, puoi utilizzare le dichiarazioni di tipo unione nativo, che vengono verificate durante l'esecuzione.<\/p>\n<\/li>\n<li>\n<p>Argomenti nominati. Invece delle annotazioni PHPDoc ora \u00e8 possibile utilizzare metadati strutturati con la sintassi nativa di PHP.<\/p>\n<\/li>\n<li>\n<p>Operatore nullsafe. Invece di controllare null, ora puoi utilizzare una catena di chiamate con il nuovo operatore nullsafe. Quando il controllo di un elemento nella catena fallisce, l'esecuzione dell'intera catena viene interrotta e si riduce a null.<\/p>\n<\/li>\n<li>\n<p>Compilazione just-in-time. In PHP 8 sono stati introdotti due motori JIT. Il Tracing JIT, il pi\u00f9 promettente dei due, mostra miglioramenti nelle prestazioni: tre volte nei test sintetici e da 1,5 a 2 volte in alcune applicazioni specifiche. Le prestazioni tipiche dell'applicazione sono allo stesso livello di PHP 7.4.<\/p>\n<\/li>\n<\/ul>\n<p>Fonte: <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 5.0.1.1 - 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