{"id":5257,"date":"2026-01-04T20:22:29","date_gmt":"2026-01-04T19:22:29","guid":{"rendered":"https:\/\/sutilweb.eu\/?page_id=5257"},"modified":"2026-01-04T20:22:29","modified_gmt":"2026-01-04T19:22:29","slug":"29-final-en-php","status":"publish","type":"page","link":"https:\/\/sutilweb.eu\/index.php\/lenguajes\/php\/php-practico\/29-final-en-php\/","title":{"rendered":"29. Final en PHP"},"content":{"rendered":"\n<p>Hay ocasiones en las cuales cuando queramos definir una clase, y no queremos que esta clase pueda ser heredada por otra clase. Para ello se utiliza la palabra reservada <strong><em>final,<\/em><\/strong> de la siguiente manera.<\/p>\n\n\n\n<p><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n\n  \/\/ La clase Hogar no podr\u00e1 ser heredada de ninguna otra clase\n  final class Hogar {\n    public $color, $seguridad;\n  }\n\n  \/\/ Esto nos dar\u00e1 error, la clase 'Dpto' no puede heredar de la clase 'Hogar' ya que hemos \n  \/\/ antepuesto la palabra reservada 'final' delante de la clase 'Hogar'\n  class Dpto extends Hogar {\n\n  }<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9todos finales<\/h2>\n\n\n\n<p>Anteponiendo la keyword <strong><em>final<\/em><\/strong> en el m\u00e9todo hacemos que dicho m\u00e9todo no pueda extenderse a clase hijas, y por lo tanto no pueda ser sobreescrito.<\/p>\n\n\n\n<p><strong>Ejm<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n\n  \/\/ La clase Hogar no podr\u00e1 ser heredada de ninguna otra clase\n  final class Hogar {\n    public $color, $seguridad;\n\n    \/\/ M\u00e9todo 'final' no puede ser heredado por una clase hija, por lo tanto no puede ser sobreescrito\n    final public function saludar(){\n      echo \"Bienvenido a mi hogar\";\n    }\n  }\n\n  \/\/ Esto nos dar\u00e1 error, la clase 'Dpto' no puede heredar de la clase 'Hogar' ya que hemos \n  \/\/ antepuesto la palabra reservada 'final' delante de la clase 'Hogar'\n  class Dpto extends Hogar {\n\n }<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Hay ocasiones en las cuales cuando queramos definir una clase, y no queremos que esta clase pueda ser heredada por [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4518,"menu_order":28,"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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