{"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\/pt\/blog\/news\/razrabotchiki-php-predlozhili-p-dialekt-so-strogoj-tipizatsiej","title":{"rendered":"Desenvolvedores PHP propuseram P++, um dialeto com tipagem forte","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Desenvolvedores da linguagem PHP lan\u00e7aram<\/a><\/noindex> com a ideia de criar um novo dialeto P++, que ajudar\u00e1 a levar a linguagem PHP a um novo n\u00edvel. No formato atual, o desenvolvimento do PHP \u00e9 dificultado pela necessidade de manter a compatibilidade com a base de c\u00f3digo existente dos projetos web, o que mant\u00e9m os desenvolvedores em limites restritos. Como solu\u00e7\u00e3o \u00e9 oferecida<\/a><\/noindex> Paralelamente, come\u00e7aremos a desenvolver um novo dialeto PHP \u2014 P++, cuja implementa\u00e7\u00e3o ser\u00e1 realizada sem se preocupar com a necessidade de manter a compatibilidade retroativa, permitindo assim a adi\u00e7\u00e3o de melhorias revolucion\u00e1rias ao idioma e a elimina\u00e7\u00e3o de conceitos obsoletos.<\/p>\n

As mudan\u00e7as mais significativas no P++ incluir\u00e3o a ado\u00e7\u00e3o de tipagem estrita, a elimina\u00e7\u00e3o do uso das tags \u00ab<?\u00bb e a interrup\u00e7\u00e3o do suporte a array() em favor da sintaxe \u00ab[]\u00bb, assim como a proibi\u00e7\u00e3o do uso do espa\u00e7o de nomes global para fun\u00e7\u00f5es.<\/p>\n

O nome P++ (PHP Plus Plus) foi previamente escolhido por analogia com C++. Prop\u00f5e-se desenvolver PHP e P++ lado a lado e usar um \u00fanico runtime. Componentes de baixo n\u00edvel n\u00e3o relacionados \u00e0 sintaxe, estruturas de dados, extens\u00f5es e otimiza\u00e7\u00f5es de desempenho ser\u00e3o desenvolvidos simultaneamente para PHP e P++, mas no modo PHP a compatibilidade retroativa ser\u00e1 mantida, enquanto no P++ ser\u00e1 poss\u00edvel experimentar a evolu\u00e7\u00e3o da linguagem. <\/p>\n

O c\u00f3digo em PHP e P++ poder\u00e1 ser misturado em uma \u00fanica aplica\u00e7\u00e3o e executado por um \u00fanico interpretador, mas o m\u00e9todo de separa\u00e7\u00e3o de c\u00f3digo ainda n\u00e3o foi definido. Ao mesmo tempo, os desenvolvedores n\u00e3o desistem dos planos para o desenvolvimento da vers\u00e3o PHP 8, na qual est\u00e3o programados<\/a><\/noindex> ser\u00e1 adicionado um compilador JIT e ferramentas para garantir portabilidade com bibliotecas em C\/C++. O projeto P++ ainda est\u00e1 em fase de discuss\u00e3o da proposta. O principal defensor do P++ \u00e9 Zeev Suraski (Zeev Suraski<\/a><\/noindex>), um dos l\u00edderes da comunidade de desenvolvedores PHP, cofundador da Zend Technologies e autor do mecanismo Zend Engine. <\/p>\n

De oposi\u00e7\u00f5es<\/a><\/noindex> dos oponentes incluem preocupa\u00e7\u00f5es sobre a falta de recursos para promover o projeto (atualmente, apenas dois desenvolvedores trabalham em tempo integral no PHP), a possibilidade de fragmenta\u00e7\u00e3o da comunidade, a concorr\u00eancia com a linguagem j\u00e1 existente Hack<\/a><\/noindex> (PHP com tipagem est\u00e1tica), a experi\u00eancia do projeto HHVM (que acabou desistindo<\/a><\/noindex> manter PHP e Hack no mesmo runtime), a necessidade de alterar a sem\u00e2ntica para tipagem estrita, o perigo de estagna\u00e7\u00e3o do PHP e o desenvolvimento de inova\u00e7\u00f5es apenas no P++, quest\u00f5es sobre a organiza\u00e7\u00e3o da coexist\u00eancia e intera\u00e7\u00e3o entre PHP e P++ (a convers\u00e3o de c\u00f3digo PHP para P++ pode ser t\u00e3o complexa que ser\u00e1 necess\u00e1rio reescrever a aplica\u00e7\u00e3o), a incompatibilidade do P++ com ferramentas existentes para PHP e a necessidade de convencer os autores de ferramentas, sistemas de teste e IDE a garantirem suporte para a nova vers\u00e3o).<\/p>\n

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

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

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