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php extensiones específicas para servidores manual downloads documentation get involved help search docs getting started introduction a simple tutorial language reference basic syntax types variables constants expressions operators control structures functions classes and objects namespaces enumerations error handling fibers generators attributes references explained predefined variables predefined exceptions predefined interfaces and classes predefined attributes context options and parameters supported protocols and wrappers security introduction general considerations installed as cgi binary installed as an apache module session security filesystem security database security error reporting user submitted data hiding php keeping current features http authentication with php cookies sessions handling file uploads using remote files connection handling persistent database connections command line usage garbage collection dtrace dynamic tracing function reference affecting php s behaviour audio formats manipulation authentication services command line specific extensions compression and archive extensions cryptography extensions database extensions date and time related extensions file system related extensions human language and character encoding support image processing and generation mail related extensions mathematical extensions non text mime output process control extensions other basic extensions other services search engine extensions server specific extensions session extensions text processing variable and type related extensions web services windows only extensions xml manipulation gui extensions keyboard shortcuts this help j next menu item k previous menu item g p previous man page g n next man page g scroll to bottom g g scroll to top g h goto homepage g s goto search current page focus search box apache solrmissingmandatoryparameterexception prefacio referencia de funciones change language english german spanish french italian japanese brazilian portuguese russian turkish ukrainian chinese simplified other extensiones específicas para servidores apache instalación configuración funciones de apache litespeed instalación configuración litespeed funciones gestor de procesos fastcgi instalación configuración observabilidad fpm funciones found a problem learn how to improve this page submit a pull request report a bug add a note user contributed notes there are no user contributed notes for this page referencia de funciones extensiones que afectan el comportamiento de php manipulación de formatos de audio servicios de autenticación extensiones específicas de la línea de comandos extensiones de compresión y archivos extensiones criptográficas extensiones de bases de datos extensiones relacionadas con fecha y hora extensiones relacionadas con el sistema de ficheros soporte para lenguaje humano y codificación de caracteres procesamiento y generación de imágenes extensiones relacionadas con correo extensiones matemáticas salida mime que no es texto extensiones de control de procesos otras extensiones básicas otros servicios extensiones para motores de búsqueda extensiones específicas para servidores extensiones de sesiones procesamiento de texto extensiones relacionadas con variables y tipos servicios web extensiones específicas de windows manipulación de xml extensiones de gui copyright 2001 2026 the php documentation group my php net contact other php net sites privacy policy and to navigate enter to select esc to close to open press enter without selection to search using google
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