(PHP 5 >= 5.2.0, PHP 7, PECL xmlwriter >= 2.0.4) Write a raw XML text

(PHP 5 >= 5.1.2, PHP 7) Returns namespaces declared in document

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Decodes XML into a list of method descriptions

(PECL xmldiff >= 0.8.0) Diff two XML files

(PHP 4, PHP 5, PHP 7) Set up start and end element handlers

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) End current element

(PHP 4, PHP 5, PHP 7) Parse XML data into an array structure

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Determines if an array value represents an XMLRPC fault

(PHP 4, PHP 5, PHP 7) Set up default handler

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Create document tag