{"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\/es\/blog\/news\/nachalos-alfa-testirovanie-php-8-4","title":{"rendered":"Ha comenzado la fase de pruebas alfa de PHP 8.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha presentado la primera versi\u00f3n alfa de la nueva rama del lenguaje de programaci\u00f3n PHP 8.4. El lanzamiento est\u00e1 programado para el 21 de noviembre. Las principales novedades, ya disponibles para pruebas o previstas para su implementaci\u00f3n en PHP 8.4:  <\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido el soporte para adjuntar controladores de propiedades (property hook), que permiten agregar l\u00f3gica adicional a realizarse al modificar o acceder a las propiedades de un objeto, implementado sin interceptar operaciones de lectura y escritura mediante las funciones comunes __get y __set, y sin crear m\u00e9todos envolventes adicionales. El uso de controladores de propiedades permite reducir significativamente el volumen de c\u00f3digo y simplificar la redefinici\u00f3n del comportamiento de las propiedades, gracias a la vinculaci\u00f3n de su propio controlador a cada propiedad.         class User      {         public string $name {             set {                 if (strlen($value) === 0) {                  throw new ValueError(\u2018El nombre debe ser no vac\u00edo\u2019);                 }                 $this-&gt;name = $value;             }            }            public function __construct(string $name) {             $this-&gt;name = $name;         }  }\n<li class=\"l\">  Se permite especificar referencias a m\u00e9todos en la construcci\u00f3n \u2018new\u2019 sin par\u00e9ntesis separadores, es decir, en lugar de \u2018$name = (new MyClass())-&gt;method()\u2019 ahora se puede indicar \u2018$name = new MyClass()-&gt;method()\u2019.\n<li class=\"l\"> En lugar del par\u00e1metro general \u2018opcache.jit_buffer_size\u2019 para controlar el compilador JIT y configurar el tama\u00f1o del b\u00fafer JIT, se han propuesto los par\u00e1metros \u2018opcache.jit\u2019 y \u2018opcache.jit_buffer_size\u2019. Para desactivar JIT ahora se puede indicar \u2018opcache.jit=disable\u2019 en lugar de \u2018opcache.jit_buffer_size=0\u2019. Adem\u00e1s, se han realizado cambios que reducen el consumo de memoria y aumentan el rendimiento de JIT en algunas situaciones.\n<li class=\"l\"> Se ha declarado obsoleta la conducta en la que para los par\u00e1metros de funciones con un valor predeterminado de null se permit\u00eda autom\u00e1ticamente la asignaci\u00f3n de valores null. Ahora, para que tales par\u00e1metros puedan aceptar valores null, se requiere especificar expl\u00edcitamente el prefijo \u2018?\u2019.   Por ejemplo, en lugar de \u2018function save(Book $book = null) {}\u2019 se debe indicar \u2018function save(?Book $book = null) {}\u2019.\n<li class=\"l\"> Se ha implementado la clase \\\\Dom\\\\HTMLDocument, que soporta el an\u00e1lisis correcto del marcado HTML5.\n<li class=\"l\"> Se ha a\u00f1adido la funci\u00f3n request_parse_body() para analizar solicitudes HTTP con tipo de contenido multipart\/form-data (RFC1867).    <\/ul>\n<p>Fuente: <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 5.0.2 - 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