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CVIII. XML-RPC functions


These functions can be used to write XML-RPC servers and clients. You can find more information about XML-RPC at, and more documentation on this extension and it's functions at


This extension is EXPERIMENTAL. The behaviour of this extension -- including the names of its functions and anything else documented about this extension -- may change without notice in a future release of PHP. Use this extension at your own risk.


No external libraries are needed to build this extension.


XML-RPC support in PHP is not enabled by default. You will need to use the --with-xmlrpc[=DIR] configuration option when compiling PHP to enable XML-RPC support. This extension is bundled into PHP as of 4.1.0.

Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Table 1. XML-RPC configuration options

Name Default Changeable
xmlrpc_errors "0" PHP_INI_SYSTEM
xmlrpc_error_number "0" PHP_INI_ALL
For further details and definition of the PHP_INI_* constants see ini_set().

Resource Types

This extension has no resource types defined.

Predefined Constants

This extension has no constants defined.

Table of Contents
xmlrpc_decode_request -- Decodes XML into native PHP types
xmlrpc_decode -- Decodes XML into native PHP types
xmlrpc_encode_request -- Generates XML for a method request
xmlrpc_encode -- Generates XML for a PHP value
xmlrpc_get_type -- Gets xmlrpc type for a PHP value. Especially useful for base64 and datetime strings
xmlrpc_parse_method_descriptions -- Decodes XML into a list of method descriptions
xmlrpc_server_add_introspection_data -- Adds introspection documentation
xmlrpc_server_call_method -- Parses XML requests and call methods
xmlrpc_server_create -- Creates an xmlrpc server
xmlrpc_server_destroy -- Destroys server resources
xmlrpc_server_register_introspection_callback -- Register a PHP function to generate documentation
xmlrpc_server_register_method -- Register a PHP function to resource method matching method_name
xmlrpc_set_type -- Sets xmlrpc type, base64 or datetime, for a PHP string value