{"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\/da\/blog\/news\/nachalos-alfa-testirovanie-php-8-4","title":{"rendered":"Alpha-testningen af PHP 8.4 er begyndt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den f\u00f8rste alpha-udgave af den nye version af programmeringssproget PHP 8.4 er blevet pr\u00e6senteret. Udgivelsen er planlagt til den 21. november. De vigtigste nye funktioner, der allerede er tilg\u00e6ngelige til testning eller planlagt til implementering i PHP 8.4:  <\/p>\n<ul>\n<li class=\"l\"> Tilf\u00f8jelse af underst\u00f8ttelse til tilknytning af egenskabsbehandlere (property hook), som g\u00f8r det muligt at tilf\u00f8je ekstra logik, der udf\u00f8res ved \u00e6ndring eller adgang til objektets egenskaber, implementeret uden at opfange l\u00e6se- og skriveoperationer ved hj\u00e6lp af de generelle funktioner __get og __set, og uden at oprette ekstra wrapper-metoder. Anvendelsen af egenskabsbehandlere g\u00f8r det muligt at reducere kodevolumen betydeligt og forenkle overstyring af adf\u00e6rden ved arbejde med egenskaber, takket v\u00e6re bindingen af den egen behandler til hver egenskab.         class User      {         public string $name {             set {                 if (strlen($value) === 0) {                  throw new ValueError(\u00abNavn skal v\u00e6re ikke-tomt\u00bb);                 }                 $this-&gt;name = $value;             }            }            public function __construct(string $name) {             $this-&gt;name = $name;         }  }\n<li class=\"l\">  Det er nu tilladt at angive referencer til metoder i konstruktionen \u00abnew\u00bb uden adskillelige parenteser, det vil sige i stedet for \u00ab$name = (new MyClass())-&gt;method()\u00bb kan man nu angive \u00ab$name = new MyClass()-&gt;method()\u00bb.\n<li class=\"l\"> I stedet for den generelle parameter \u00abopcache.jit_buffer_size\u00bb til styring af JIT-kompilatoren og indstilling af JIT-bufferst\u00f8rrelsen, er der blevet foresl\u00e5et parametrene \u00abopcache.jit\u00bb og \u00abopcache.jit_buffer_size\u00bb. For at deaktivere JIT kan man nu angive \u00abopcache.jit=disable\u00bb i stedet for \u00abopcache.jit_buffer_size=0\u00bb. Desuden er der blevet foretaget \u00e6ndringer, der reducerer hukommelsesforbruget og forbedrer ydeevnen af JIT i visse situationer.\n<li class=\"l\"> Adf\u00e6rden, hvor parametre i funktioner med en standardv\u00e6rdi af null automatisk tillod tildeling af v\u00e6rdier null, er blevet erkl\u00e6ret for\u00e6ldet. For at s\u00e5danne parametre kan tage v\u00e6rdien null, kr\u00e6ves det nu en eksplicit angivelse af pr\u00e6fikset \u00ab?\u00bb.   For eksempel, i stedet for \u00abfunction save(Book $book = null) {}\u00bb skal det angives som \u00abfunction save(?Book $book = null) {}\u00bb.\n<li class=\"l\"> Implementeret klassen \\\\Dom\\\\HTMLDocument, der underst\u00f8tter korrekt parsing af HTML5 markup.\n<li class=\"l\"> Funktionen request_parse_body() er tilf\u00f8jet til at parse HTTP-anmodninger med indholdstypen multipart\/form-data (RFC1867).    <\/ul>\n<p>Kilde: <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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