{"id":116995,"date":"2024-07-06T15:43:01","date_gmt":"2024-07-06T13:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nachalos-alfa-testirovanie-php-8-4"},"modified":"2024-07-06T15:43:01","modified_gmt":"2024-07-06T13:43:01","slug":"nachalos-alfa-testirovanie-php-8-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/nachalos-alfa-testirovanie-php-8-4","title":{"rendered":"Megkezd\u0151d\u00f6tt a PHP 8.4 alfa tesztel\u00e9se","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bemutatt\u00e1k a PHP 8.4 programoz\u00e1si nyelv \u00faj \u00e1g\u00e1nak els\u0151 alfa kiad\u00e1s\u00e1t. A kiad\u00e1s id\u0151pontja november 21. A PHP 8.4-ben m\u00e1r tesztelhet\u0151 vagy tervezett f\u0151bb \u00fajdons\u00e1gok:  <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva a tulajdons\u00e1gok kezel\u0151inek (property hook) t\u00e1mogat\u00e1sa, amely lehet\u0151v\u00e9 teszi, hogy tov\u00e1bbi logik\u00e1t adjunk hozz\u00e1, amely v\u00e9grehajt\u00f3dik a tulajdons\u00e1gok objektumhoz val\u00f3 el\u00e9r\u00e9se vagy m\u00f3dos\u00edt\u00e1sa sor\u00e1n, an\u00e9lk\u00fcl, hogy a __get \u00e9s __set k\u00f6z\u00f6ns\u00e9ges funkci\u00f3inak haszn\u00e1lat\u00e1val megzavarn\u00e1nk az olvas\u00e1si \u00e9s \u00edr\u00e1si m\u0171veleteket, \u00e9s an\u00e9lk\u00fcl, hogy tov\u00e1bbi bor\u00edt\u00f3met\u00f3dusokat kellene l\u00e9trehozni. A tulajdons\u00e1gkezel\u0151k alkalmaz\u00e1sa lehet\u0151s\u00e9get ad arra, hogy jelent\u0151sen cs\u00f6kkents\u00fck a k\u00f3d mennyis\u00e9g\u00e9t \u00e9s egyszer\u0171s\u00edts\u00fck a tulajdons\u00e1gokkal val\u00f3 munka viselked\u00e9s\u00e9nek fel\u00fcl\u00edr\u00e1s\u00e1t, mivel saj\u00e1t kezel\u0151t k\u00f6thet\u00fcnk minden egyes tulajdons\u00e1ghoz. class User { public string $name { set { if (strlen($value) === 0) { throw new ValueError(\u2018A n\u00e9v nem lehet \u00fcres.\u2019); } $this-&gt;name = $value; } } public function __construct(string $name) { $this-&gt;name = $name; } }\n<li class=\"l\">  Mostant\u00f3l megengedett a m\u00f3dszerek hivatkoz\u00e1sainak megad\u00e1sa a \u2018new\u2019 konstrukci\u00f3n bel\u00fcl z\u00e1r\u00f3jelek n\u00e9lk\u00fcl, azaz a \u2018$name = (new MyClass())-&gt;method()\u2019 helyett most a \u2018$name = new MyClass()-&gt;method()\u2019 \u00edr\u00e1sa lehets\u00e9ges.\n<li class=\"l\"> A JIT-compiler vez\u00e9rl\u00e9s\u00e9re \u00e9s a JIT-buffer m\u00e9ret\u00e9nek be\u00e1ll\u00edt\u00e1s\u00e1ra a \u2018opcache.jit_buffer_size\u2019 \u00e1ltal\u00e1nos param\u00e9ter helyett a \u2018opcache.jit\u2019 \u00e9s \u2018opcache.jit_buffer_size\u2019 param\u00e9terek ker\u00fclnek bevezet\u00e9sre. A JIT letilt\u00e1s\u00e1hoz most m\u00e1r elegend\u0151 a \u2018opcache.jit=disable\u2019 megad\u00e1sa az \u2019opcache.jit_buffer_size=0\u2019 helyett. Ezen k\u00edv\u00fcl olyan m\u00f3dos\u00edt\u00e1sokat hajtottak v\u00e9gre, amelyek cs\u00f6kkentik a mem\u00f3ri\u00e1t \u00e9s n\u00f6velik a JIT teljes\u00edtm\u00e9ny\u00e9t bizonyos helyzetekben.\n<li class=\"l\"> Elavultnak nyilv\u00e1n\u00edtott\u00e1k azt a viselked\u00e9st, amely lehet\u0151v\u00e9 tette, hogy a null \u00e9rt\u00e9kkel alap\u00e9rtelmezett \u00e9rt\u00e9kkel rendelkez\u0151 funkci\u00f3param\u00e9terek automatikusan elfogadj\u00e1k a null \u00e9rt\u00e9ket. Ahhoz, hogy az ilyen param\u00e9terek null \u00e9rt\u00e9keket tudjanak fogadni, most m\u00e1r explicit m\u00f3don a \u2018?\u2019 prefixet kell megadni. P\u00e9ld\u00e1ul a \u2018function save(Book $book = null) {}\u2019 helyett a \u2018function save(?Book $book = null) {}\u2019 haszn\u00e1lata aj\u00e1nlott.\n<li class=\"l\"> Megval\u00f3s\u00edtva a \\\\Dom\\\\HTMLDocument oszt\u00e1ly, amely t\u00e1mogatja a HTML5 jel\u00f6l\u00e9s\u00e9nek helyes parsen\u00e9l\u00e9s\u00e9t.\n<li class=\"l\"> Bevezet\u00e9sre ker\u00fclt a request_parse_body() funkci\u00f3, amely HTTP k\u00e9r\u00e9sek feldolgoz\u00e1s\u00e1ra szolg\u00e1l multipart\/form-data (RFC1867) tartalom t\u00edpussal.    <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61499\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0430\u043b\u044c\u0444\u0430-\u0432\u044b\u043f\u0443\u0441\u043a \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f PHP 8.4. \u0420\u0435\u043b\u0438\u0437 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 21 \u043d\u043e\u044f\u0431\u0440\u044f. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430, \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0435 \u0434\u043b\u044f \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u043b\u0438 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u043c\u044b\u0435 \u043a \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 PHP 8.4: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 (property hook), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u043b\u043e\u0433\u0438\u043a\u0443, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u0443\u044e \u043f\u0440\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0438\u043b\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435 \u043a \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u0430, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c\u0443\u044e \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0445\u0432\u0430\u0442\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0447\u0442\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116995","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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