{"id":1864,"date":"2024-08-03T08:49:19","date_gmt":"2024-08-03T06:49:19","guid":{"rendered":"https:\/\/blog.sutilweb.eu\/?page_id=1864"},"modified":"2024-08-03T08:49:20","modified_gmt":"2024-08-03T06:49:20","slug":"17-hooks-filtros-y-acciones","status":"publish","type":"page","link":"https:\/\/sutilweb.eu\/index.php\/cmss-frameworks\/wordpress-2\/wordpress-avanzado\/17-hooks-filtros-y-acciones\/","title":{"rendered":"17. Hooks, filtros y acciones"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">El archivo functions.php<\/h2>\n\n\n\n<p>Es como una biblioteca personal de funciones, es una manera f\u00e1cil de agregar o modificar el comportamiento por defecto de WP. Se comporta exactamente igual que un plugin, a\u00f1adiendo caracter\u00edsticas y funcionalidad a un tema,&nbsp; y se puede utilizar tanto para definir nuevas funciones <strong>PHP<\/strong> como para modificar las que ya incorpora <strong>WP.<\/strong><\/p>\n\n\n\n<!--more-->\n\n\n\n<p>En este cap\u00edtulo vamos a crear nuestros propios <strong>plugins,<\/strong> para ello vamos a crear el archivo&nbsp;<strong><em>functions.php.<\/em><\/strong><\/p>\n\n\n\n<p>As\u00ed como en las plantillas <strong>WP<\/strong> sab\u00eda que archivo escoger, cuando <strong>WP<\/strong> detecta este archivo, ya sabe que ah\u00ed vamos a contener toda la programaci\u00f3n de nuestro tema, todas las cosas ajenas a lo que nos da <strong>WP<\/strong> por default, o todas las cosas que queramos potenciar, las podemos programar desde este archivo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Funciones<\/h2>\n\n\n\n<p>En estos enlaces est\u00e1n todo el conjunto de funciones. Esta <strong>API<\/strong> de <strong>plugins<\/strong> es justo la introducci\u00f3n de la documentaci\u00f3n de <strong>WP<\/strong> hacia los <strong>Hooks (ganchos)<\/strong> y los <strong>filtros<\/strong> en <strong>WP.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Listado de acciones<\/strong>:\u00a0<a href=\"https:\/\/codex.wordpress.org\/Plugin_API\/Action_Reference\">https:\/\/codex.wordpress.org\/Plugin_API\/Action_Reference<\/a><\/li>\n\n\n\n<li><strong>Listado de filtros<\/strong>:\u00a0<a href=\"https:\/\/codex.wordpress.org\/Plugin_API\/Filter_Reference\">https:\/\/codex.wordpress.org\/Plugin_API\/Filter_Reference<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Hooks<\/h3>\n\n\n\n<p>Los <strong>Hooks<\/strong> o <strong>ganchos<\/strong> es lo que le va a proveer a <strong>WP<\/strong> de una funcionalidad externa, y lo podemos hacer mediante dos cosas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mediante las acciones.<\/li>\n\n\n\n<li>Mediante los filtros.<\/li>\n<\/ul>\n\n\n\n<p>Las <strong>acciones<\/strong> son funcionalidades que le asignamos a <strong>WP<\/strong> (crear una funci\u00f3n que comete un cometido muy particular). Los <strong>filtros<\/strong> son acciones que vamos a modificar sobre algunas cosas que <strong>WP<\/strong> genera por defecto y que podemos modificar.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/developer.wordpress.org\/reference\/\">https:\/\/developer.wordpress.org\/reference\/<\/a><\/li>\n<\/ul>\n\n\n\n<p>Las <strong>acciones<\/strong> son <strong>eventos<\/strong> espec\u00edficos que se van a ejecutar en ciertos lugares de WP. Las vamos a ligar a eventos. Los <strong>filtros<\/strong> son funciones que pasan los datos a trav\u00e9s de <strong>WP,<\/strong> y dependiendo del tipo que estemos trabajando, nosotros vamos a mostrar esa informaci\u00f3n de <strong>WP. Hook<\/strong> es agregar una funcionalidad externa a <strong>WP.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Enlaces de inter\u00e9s<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/kinsta.com\/es\/blog\/wordpress-hooks\/\">https:\/\/kinsta.com\/es\/blog\/wordpress-hooks\/<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ejercicio<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vamos a incluir \u2018Imagen destacada\u2019 en nuestro tema WP\n<ul class=\"wp-block-list\">\n<li>Vamos a utilizar\u00a0<strong><em>add_theme_support()<\/em><\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Vamos a poner \u2018leer m\u00e1s\u2019.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Resumen<\/h2>\n\n\n\n<p>Los&nbsp;<strong>Hooks<\/strong>&nbsp;se dividen en&nbsp;<strong>acciones<\/strong>&nbsp;(<strong>actions<\/strong>) y&nbsp;<strong>filtros (filters)<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El archivo functions.php Es como una biblioteca personal de funciones, es una manera f\u00e1cil de agregar o modificar el comportamiento [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1809,"menu_order":16,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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