(PHP 4, PHP 5, PHP 7) Get options from an XML parser

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Create new xmlwriter using source uri for output

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Write full CDATA tag

(PHP 4, PHP 5, PHP 7) Serialize variables into a WDDX packet

(PHP 5 >= 5.0.1, PHP 7) Return a well-formed XML string based on SimpleXML element

(^) Test to see if this is a sequenced type

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Write text

(PHP 4, PHP 5, PHP 7) Serialize a single value into a WDDX packet

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

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Write full namespaced attribute