{"id":37161,"date":"2019-10-31T22:16:05","date_gmt":"2019-10-31T19:16:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/razrabotchiki-php-predlozhili-p-dialekt-so-strogoj-tipizatsiej\/"},"modified":"2019-10-31T22:16:05","modified_gmt":"2019-10-31T19:16:05","slug":"razrabotchiki-php-predlozhili-p-dialekt-so-strogoj-tipizatsiej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/razrabotchiki-php-predlozhili-p-dialekt-so-strogoj-tipizatsiej","title":{"rendered":"Gli sviluppatori di PHP hanno proposto P++, un dialetto con tipizzazione rigorosa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Sviluppatori del linguaggio PHP <noindex><a rel=\"nofollow\" href=\"https:\/\/externals.io\/message\/106503\">si sono espressi<\/a><\/noindex> con l'idea di creare un nuovo dialetto P++, che aiuter\u00e0 a portare il linguaggio PHP a un nuovo livello. Nella situazione attuale, lo sviluppo di PHP \u00e8 ostacolato dalla necessit\u00e0 di mantenere la compatibilit\u00e0 con l'attuale base di codice dei progetti web, che limita gli sviluppatori a margini ristretti. Come soluzione <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.php.net\/pplusplus\/faq\">si propone<\/a><\/noindex> Inizieremo parallelamente a sviluppare un nuovo dialetto di PHP \u2014 P++, il cui sviluppo avverr\u00e0 senza preoccuparsi della necessit\u00e0 di mantenere la retrocompatibilit\u00e0, consentendo di aggiungere al linguaggio miglioramenti rivoluzionari ed eliminare concetti obsoleti.<\/p>\n<p>Le modifiche pi\u00f9 significative in P++ riguarderanno il passaggio a un uso di tipizzazione rigorosa, l'eliminazione dei tag \u00ab&lt;?\u00bb, la cessazione del supporto per array() a favore della sintassi \u00ab[]\u00bb e il divieto di utilizzo dello spazio dei nomi globale per le funzioni.<\/p>\n<p> Per il progetto \u00e8 stato preliminarmente scelto il nome P++ (PHP Plus Plus) in analogia con C++. PHP e P++ sono stati proposti per essere sviluppati fianco a fianco e utilizzati con un runtime comune. Componenti a basso livello, strutture dati, estensioni e ottimizzazioni delle prestazioni non legate alla sintassi saranno contemporaneamente sviluppati per PHP e P++, ma in modalit\u00e0 PHP verr\u00e0 mantenuta la retrocompatibilit\u00e0, mentre in P++ sar\u00e0 possibile sperimentare nell'evoluzione del linguaggio. <\/p>\n<p>Il codice in PHP e P++ potr\u00e0 essere mescolato in un'unica applicazione ed eseguito con un unico interprete, ma il metodo di separazione del codice non \u00e8 ancora stato definito. Tuttavia, gli sviluppatori non rinunciano ai piani di sviluppo della branch di PHP 8, in cui <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50428\">\u00e8 previsto<\/a><\/noindex> si prevede di aggiungere un compilatore JIT e strumenti per garantire la portabilit\u00e0 con le librerie in C\/C++. Il progetto P++ \u00e8 attualmente in fase di discussione. Il principale sostenitore di P++ \u00e8 Zeev Suraski (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Zeev_Suraski\">Zeev Suraski<\/a><\/noindex>), uno dei leader della comunit\u00e0 degli sviluppatori PHP, co-fondatore della Zend Technologies e autore del motore Zend Engine. <\/p>\n<p>Da <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.php.net\/pplusplus\/concerns\">tra le obiezioni<\/a><\/noindex> degli oppositori si pu\u00f2 notare la preoccupazione per la mancanza di risorse per promuovere il progetto (lavorano a tempo pieno su PHP solo due sviluppatori), la possibilit\u00e0 di frammentazione della comunit\u00e0 e la competizione con il linguaggio gi\u00e0 esistente <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39368\">Hack<\/a><\/noindex> (PHP con tipizzazione statica), l'esperienza del progetto HHVM (che alla fine <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50133\">ha rinunciato<\/a><\/noindex> supportare PHP e Hack in un unico runtime), la necessit\u00e0 di cambiare la semantica per una tipizzazione rigorosa, il pericolo di stagnazione di PHP e lo sviluppo di novit\u00e0 solo in P++, domande riguardo all'organizzazione della coesistenza e interazione tra PHP e P++ (la non trivialit\u00e0 della conversione del codice PHP in P++ (la sintassi pu\u00f2 deviare cos\u00ec tanto da richiedere la riscrittura dell'applicazione), l'incompatibilit\u00e0 di P++ con gli strumenti esistenti per PHP e la necessit\u00e0 di convincere gli autori degli strumenti, dei sistemi di test e delle IDE a garantire il supporto per la nuova edizione).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51291\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u044f\u0437\u044b\u043a\u0430 PHP \u0432\u044b\u0441\u0442\u0443\u043f\u0438\u043b\u0438 \u0441 \u0438\u0434\u0435\u0435\u0439 \u043f\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044e \u043d\u043e\u0432\u043e\u0433\u043e \u0434\u0438\u0430\u043b\u0435\u043a\u0442\u0430 P++, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0432\u0435\u0441\u0442\u0438 \u044f\u0437\u044b\u043a PHP \u043d\u0430 \u043d\u043e\u0432\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c. \u0412 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044e PHP \u043c\u0435\u0448\u0430\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0441 \u0438\u043c\u0435\u044e\u0449\u0435\u0439\u0441\u044f \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u043e\u0439 web-\u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u0447\u0442\u043e \u0443\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0432 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0445 \u0440\u0430\u043c\u043a\u0430\u0445. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0432\u044b\u0445\u043e\u0434\u0430 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e \u043d\u0430\u0447\u0430\u0442\u044c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c \u043d\u043e\u0432\u044b\u0439 \u0434\u0438\u0430\u043b\u0435\u043a\u0442 PHP &#8212; P++, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0431\u0443\u0434\u0435\u0442 \u0432\u0435\u0441\u0442\u0438\u0441\u044c [&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-37161","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u044f\u0437\u044b\u043a\u0430 PHP \u0432\u044b\u0441\u0442\u0443\u043f\u0438\u043b\u0438 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