xml-rpc is no longer bundled with the PHP source code as of PHP 8.0.
You'll need to get it from PECL. Many distro and third party repos may still ship it (tho the package name may have changed to reflect the move to PECL)
El XML-RPC soportado en PHP no está activado por defecto. Se necesita usar la opción configuración de --with-xmlrpc[=DIR] cuando es compilado el PHP para activar el soporte a XML-RPC support.
xml-rpc is no longer bundled with the PHP source code as of PHP 8.0.
You'll need to get it from PECL. Many distro and third party repos may still ship it (tho the package name may have changed to reflect the move to PECL)