{"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\/cs\/blog\/news\/razrabotchiki-php-predlozhili-p-dialekt-so-strogoj-tipizatsiej","title":{"rendered":"V\u00fdvoj\u00e1\u0159i PHP navrhli P++, dialekt se striktn\u00ed typizac\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdvoj\u00e1\u0159i jazyka PHP se postavily<\/a><\/noindex> s my\u0161lenkou na vytvo\u0159en\u00ed nov\u00e9ho dialektu P++, kter\u00fd pom\u016f\u017ee posunout jazyk PHP na novou \u00farove\u0148. V sou\u010dasn\u00e9 podob\u011b v\u00fdvoj PHP br\u00e1n\u00ed pot\u0159eba zachovat kompatibilitu s existuj\u00edc\u00ed k\u00f3dovou z\u00e1kladnou webov\u00fdch projekt\u016f, co\u017e omezuje v\u00fdvoj\u00e1\u0159e. je nab\u00edzena<\/a><\/noindex> Sou\u010dasn\u011b se za\u010dne vyv\u00edjet nov\u00fd dialekt PHP \u2014 P++, jeho\u017e v\u00fdvoj bude prob\u00edhat bez ohledu na nutnost zachov\u00e1n\u00ed zp\u011btn\u00e9 kompatibility, co\u017e umo\u017en\u00ed p\u0159idat do jazyka revolu\u010dn\u00ed vylep\u0161en\u00ed a zbavit se zastaral\u00fdch koncept\u016f.<\/p>\n

Nejv\u00fdrazn\u011bj\u0161\u00edmi zm\u011bnami v P++ bude p\u0159echod na pou\u017e\u00edv\u00e1n\u00ed p\u0159\u00edsn\u00e9 typizace, zbaven\u00ed se pou\u017e\u00edv\u00e1n\u00ed tag\u016f \u00ab?\u00bb, ukon\u010den\u00ed podpory array() ve prosp\u011bch syntaxe \u00ab[]\u00bb a z\u00e1kaz pou\u017e\u00edv\u00e1n\u00ed glob\u00e1ln\u00edho jmenn\u00e9ho prostoru pro funkce.<\/p>\n

Pro projekt bylo p\u0159edb\u011b\u017en\u011b zvoleno jm\u00e9no P++ (PHP Plus Plus) podle analogy se C++. PHP a P++ bylo navr\u017eeno vyv\u00edjet bok po boku a pou\u017e\u00edvat jednotn\u00fd runtime. Nesouvisej\u00edc\u00ed s syntax\u00ed n\u00edzko\u00farov\u0148ov\u00e9 komponenty, datov\u00e9 struktury, roz\u0161\u00ed\u0159en\u00ed a optimalizace v\u00fdkonu budou sou\u010dasn\u011b vyv\u00edjeny pro PHP i P++, p\u0159i\u010dem\u017e v re\u017eimu PHP bude zachov\u00e1na zp\u011btn\u00e1 kompatibilita, zat\u00edmco v P++ bude mo\u017en\u00e9 experimentovat s evoluc\u00ed jazyka. <\/p>\n

K\u00f3d v PHP a P++ bude mo\u017en\u00e9 m\u00edchat v jedn\u00e9 aplikaci a spou\u0161t\u011bt jedn\u00edm interpretem, ale metoda rozd\u011blen\u00ed k\u00f3du zat\u00edm nebyla ur\u010dena. P\u0159itom v\u00fdvoj\u00e1\u0159i se nevzd\u00e1vaj\u00ed pl\u00e1n\u016f na rozvoj v\u011btve PHP 8, ve kter\u00e9 pl\u00e1nuje<\/a><\/noindex> p\u0159idat JIT kompil\u00e1tor a prost\u0159edky pro zaji\u0161t\u011bn\u00ed p\u0159enositelnosti s knihovnami na C\/C++. Projekt P++ je prozat\u00edm ve f\u00e1zi diskuse n\u00e1vrhu. Hlavn\u00edm zast\u00e1ncem P++ je Zeev Suraski (Zeev Suraski<\/a><\/noindex>), jeden z l\u00eddr\u016f komunity v\u00fdvoj\u00e1\u0159\u016f PHP, spolu zakladatel spole\u010dnosti Zend Technologies a autor enginu Zend Engine. <\/p>\n

Z n\u00e1mitky<\/a><\/noindex> oponent\u016f lze zm\u00ednit obavy z nedostatku zdroj\u016f pro prosazen\u00ed projektu (v re\u017eimu pln\u00e9ho \u00favazku na PHP pracuj\u00ed pouze dva v\u00fdvoj\u00e1\u0159i), mo\u017enost fragmentace komunity, sout\u011b\u017e s ji\u017e existuj\u00edc\u00edm jazykem Hack<\/a><\/noindex> (PHP s statickou typizac\u00ed), zku\u0161enost projektu HHVM (nakonec se vzdal<\/a><\/noindex> podporovat PHP a Hack v jednom runtime), pot\u0159eba zm\u011bny s\u00e9mantiky pro p\u0159\u00edsnou typizaci, nebezpe\u010d\u00ed stagnace PHP a rozvoje novinek pouze v P++, ot\u00e1zky ohledn\u011b organizace sou\u017eit\u00ed a interakce PHP a P++ (netrivi\u00e1lnost konverze k\u00f3du PHP na P++ (syntax se m\u016f\u017ee rozch\u00e1zet natolik, \u017ee bude nutn\u00e9 p\u0159epsat aplikaci), nekompatibilita P++ s existuj\u00edc\u00edmi n\u00e1stroji pro PHP a pot\u0159eba p\u0159esv\u011bd\u010dit autory n\u00e1stroj\u016f, testovac\u00edch syst\u00e9m\u016f a IDE, aby zajistili podporu nov\u00e9 edice).<\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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