{"id":3883,"date":"2022-05-19T11:20:21","date_gmt":"2022-05-19T11:20:21","guid":{"rendered":"http:\/\/the-codest.localhost\/blog\/why-do-we-need-symfony-polyfill-and-why-we-shouldnt\/"},"modified":"2026-04-28T14:07:09","modified_gmt":"2026-04-28T14:07:09","slug":"por-que-necesitamos-symfony-polyfill-y-por-que-no-deberiamos","status":"publish","type":"post","link":"https:\/\/thecodest.co\/es\/blog\/why-do-we-need-symfony-polyfill-and-why-we-shouldnt\/","title":{"rendered":"Por qu\u00e9 necesitamos Symfony Polyfill (... y por qu\u00e9 no deber\u00edamos)"},"content":{"rendered":"<p>En la mayor\u00eda de los <strong><a href=\"https:\/\/thecodest.co\/es\/dictionary\/how-to-hire-a-php-developer\/\">PHP<\/a> proyectos<\/strong>notar\u00e1 una fuerte dependencia de la aplicaci\u00f3n <a href=\"https:\/\/github.com\/symfony\/polyfill\" rel=\"nofollow\">Polyfill Symfony<\/a> biblioteca. En este art\u00edculo, explicaremos no s\u00f3lo c\u00f3mo funciona y c\u00f3mo se relaciona con <strong>Proyectos Symfony<\/strong>pero tambi\u00e9n profundizaremos en la idea del problema que trata de resolver.<\/p>\n<h2>Un poco de historia<\/h2>\n<p><strong>PHP<\/strong> estuvo en mal estado durante mucho tiempo. Fue en 2005 cuando Andrei Zmievski inici\u00f3 un <a href=\"https:\/\/thecodest.co\/es\/dictionary\/why-do-projects-fail\/\">proyecto<\/a> para ofrecer compatibilidad nativa con Unicode para <strong>PHP<\/strong> debido a las cr\u00edticas encontradas y a la preocupaci\u00f3n de que <strong>PHP<\/strong> va por mal camino. Desarrollo de <strong>PHP<\/strong> 6.x comenz\u00f3. Pero nunca se termin\u00f3, y esa es una historia para otro d\u00eda. 10 a\u00f1os despu\u00e9s, en alg\u00fan momento entre 2014 y 2015, Dmitry Stogov, Xinchen Hui y Nikita Popov iniciaron <code>phpng<\/code> - proyecto que optimiz\u00f3 y refactoriz\u00f3 el motor Zend interno utilizado por <strong>PHP<\/strong>.<\/p>\n<h4>&gt;_ <em>Nace el PHP 7<\/em><\/h4>\n<p>Y durante los \u00faltimos a\u00f1os, <strong>PHP<\/strong> est\u00e1 creciendo m\u00e1s r\u00e1pido que nunca, actualmente en la versi\u00f3n estable 8.1.<\/p>\n<p><img decoding=\"async\" src=\"\/app\/uploads\/2024\/05\/162561908-025b0d15-1b7a-4592-8f81-05c7b29bc3c9.png\" alt=\"imagen\" \/><\/p>\n<p>Debido al r\u00e1pido desarrollo de nuevas funciones en el lenguaje, no s\u00f3lo los desarrolladores tuvieron que adaptarse a esos cambios, sino tambi\u00e9n los proveedores de infraestructuras y servicios de alojamiento.<\/p>\n<p>Para garantizar que los desarrolladores podamos utilizar las nuevas y mejores funciones de nuestro querido lenguaje de programaci\u00f3n <strong>Polyfill Symfony<\/strong> naci\u00f3 el proyecto.<\/p>\n<h2>Symfony Polyfill y su funci\u00f3n<\/h2>\n<blockquote>\n<p>Este proyecto incorpora funciones de la \u00faltima versi\u00f3n de <strong>Versiones PHP<\/strong> y proporciona capas de compatibilidad para algunas extensiones y funciones. Est\u00e1 pensado para ser utilizado cuando la portabilidad a trav\u00e9s de <strong>Versiones PHP<\/strong> y extensiones.<\/p>\n<\/blockquote>\n<p>Esta es una descripci\u00f3n pura de <a href=\"https:\/\/github.com\/symfony\/polyfill\" rel=\"nofollow\">Polyfill Symfony<\/a> \u00bfpero qu\u00e9 significa eso? <\/p>\n<p>Debido a la r\u00e1pida evoluci\u00f3n <strong>Idioma PHP<\/strong> y la personalizaci\u00f3n del software de los proveedores de servicios de Internet, la mayor\u00eda de los desarrolladores se han enfrentado a una elecci\u00f3n sencilla:<\/p>\n<ul>\n<li>Como <a href=\"https:\/\/thecodest.co\/es\/blog\/hire-vue-js-developers\/\">desarrollador<\/a>Creo aplicaciones en una versi\u00f3n anterior de <strong>PHP<\/strong> y no puede utilizar las \u00faltimas funciones de la lengua, o<\/li>\n<li>Como desarrollador, creo una aplicaci\u00f3n moderna utilizando la \u00faltima versi\u00f3n de <strong>PHP<\/strong>.<\/li>\n<\/ul>\n<p>Pero ten\u00edan que mantener la compatibilidad con otras herramientas y servicios ya utilizados tanto en el <a href=\"https:\/\/thecodest.co\/es\/dictionary\/what-is-code-refactoring\/\">c\u00f3digo<\/a> e infraestructura, casi siempre con versiones antiguas de <strong>PHP<\/strong>\u00bfNecesito mencionar, querido lector, el llamado \"factor diversi\u00f3n\" de estas dos soluciones?<\/p>\n<p>Para facilitar el camino a los desarrolladores, la comunidad de c\u00f3digo abierto cre\u00f3 en 2015 <a href=\"https:\/\/github.com\/symfony\/polyfill\/tree\/v1.0.0\" rel=\"nofollow\">la primera versi\u00f3n estable de Polyfill numerada 1.0<\/a>. La vida de los desarrolladores se hizo m\u00e1s f\u00e1cil y se podr\u00eda decir que Symfony Polyfill resolvi\u00f3 multitud de problemas como la portabilidad del c\u00f3digo entre diferentes plataformas, <strong>Versi\u00f3n PHP<\/strong> y facilit\u00f3 la refactorizaci\u00f3n de las aplicaciones y la reducci\u00f3n de la deuda tecnol\u00f3gica.<\/p>\n<p>Por desgracia, no todos los problemas pueden resolverse con una sola herramienta.<\/p>\n<h2>Problemas asociados al mantenimiento de varias versiones del entorno<\/h2>\n<p>Para complejos <strong>Proyectos inform\u00e1ticos<\/strong>En la actualidad, mantener diferentes versiones de entornos para distintos clientes\/ramas\/departamentos es un procedimiento habitual. Esto resulta en la necesidad de desarrollar muchas ramas diferentes de aplicaciones al mismo tiempo, a menudo con diferentes requisitos funcionales y con su propia tracci\u00f3n. Me he enfrentado muchas veces al problema de mantener la misma aplicaci\u00f3n para diferentes clientes en diferentes entornos PHP5 \/ PHP7 y la multitud de problemas relacionados con la incompatibilidad de librer\u00edas o sus dependencias para diferentes versiones es simplemente irresoluble usando s\u00f3lo <strong>Polyfill Symfony<\/strong>.<\/p>\n<h2>La brecha de competencias entre los miembros del equipo de desarrollo<\/h2>\n<p>Debido al r\u00e1pido crecimiento de las funciones integradas en <strong>PHP<\/strong>Sin embargo, muchos desarrolladores no han seguido el ritmo del cambio. Muchas de las funciones ofrecidas en versiones superiores de <strong>PHP<\/strong> son f\u00e1ciles de conseguir con bibliotecas externas, o simplemente los desarrolladores no necesitaban las nuevas funciones, como por ejemplo <a href=\"https:\/\/www.php.net\/manual\/en\/language.fibers.php\" rel=\"nofollow\">Fibras PHP<\/a>. Al seleccionar <a href=\"https:\/\/thecodest.co\/es\/blog\/how-to-hire-the-best-outsourced-development-team-for-a-scaleup\/\">equipo<\/a> miembros, es una buena idea asegurarse de que las competencias coinciden o de que el proceso de entrega del c\u00f3digo es m\u00e1s coherente gracias a las herramientas de an\u00e1lisis est\u00e1tico y a la detecci\u00f3n precoz de errores de regresi\u00f3n de versi\u00f3n.<\/p>\n<h2>Reticencia al cambio<\/h2>\n<p><img decoding=\"async\" src=\"\/app\/uploads\/2024\/05\/168078028-edd8afe9-04aa-4250-983b-7bdf115bc459.png\" alt=\"imagen\" \/><\/p>\n<p>La adopci\u00f3n de nuevas funciones ling\u00fc\u00edsticas sigue siendo bastante baja y <strong>PHP<\/strong> 5 sobre la cuota de 24% muestra claramente que <strong><em>una cuarta parte de los proyectos PHP utilizan versiones inferiores a 7.x<\/em><\/strong>cuyo soporte de seguridad finalizar\u00e1 el 6 de diciembre de 2022. Esto significa que en el momento de escribir este post, m\u00e1s de 25% de PHP basados en <a href=\"https:\/\/thecodest.co\/es\/blog\/find-your-ideal-stack-for-web-development\/\">Web<\/a> proyectos ser\u00e1n potencialmente vulnerables a todas las nuevas vulnerabilidades de seguridad a finales de a\u00f1o. \"Si funciona, \u00bfpara qu\u00e9 nos vamos a molestar?<\/p>\n<h2>Conclusi\u00f3n<\/h2>\n<p>Debemos adaptarnos a los cambios ling\u00fc\u00edsticos lo antes posible y utilizar las soluciones m\u00e1s recientes cuanto antes. Durante una posible migraci\u00f3n de un proyecto Legacy, merece la pena incluir <strong>Polyfill Symfony<\/strong> como ayuda y utilizando t\u00e9cnicas como el Patr\u00f3n Estrangulador y la metodolog\u00eda BDD, tan de moda actualmente, que es fabulosamente f\u00e1cil de aplicar a la <strong>Marco Symfony<\/strong>. Entonces, \u00bfestamos realmente obligados a utilizar <strong>Polyfill Symfony<\/strong>?<\/p>\n<p><a href=\"https:\/\/calendly.com\/the-codest-php\/thecodest-php-tech-consultation\"><img decoding=\"async\" src=\"\/app\/uploads\/2024\/05\/php_development.png\" alt=\"PHP desarrollo asesoramiento gratuito\" \/><\/a><\/p>\n<p><strong>M\u00e1s informaci\u00f3n:<\/strong><\/p>\n<p><a href=\"https:\/\/thecodest.co\/blog\/php-development-5-things-you-ought-to-know\">Desarrollo del PHP: 5 cosas que debe saber<\/a><\/p>\n<p><a href=\"https:\/\/thecodest.co\/blog\/7-startups-that-will-shake-the-marketplace-scene-in-2022\/\">7 Startups y Scaleups que sacudir\u00e1n el panorama de los mercados en 2022<\/a><\/p>\n<p><a href=\"https:\/\/thecodest.co\/blog\/php-development-symfony-console-component-tips-tricks\">PHP Desarrollo. Symfony Console Component - Trucos y consejos<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>En el siguiente art\u00edculo, explicaremos c\u00f3mo funciona Symfony Polyfill y c\u00f3mo se relaciona con los proyectos Symfony. Tambi\u00e9n profundizaremos en la idea que trata de resolver esta librer\u00eda.<\/p>","protected":false},"author":2,"featured_media":3884,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-development"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Why do we need Symfony Polyfill (... and why we shouldn&#039;t) - The Codest<\/title>\n<meta name=\"description\" content=\"In the following article, we explain how Symfony Polyfill works and how it relates to Symfony projects. 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