# SimpleXML

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Examples
  - Basic SimpleXML usage
  - Dealing with XML errors
- SimpleXMLElement — The SimpleXMLElement class
  - SimpleXMLElement::addAttribute — Adds an attribute to the SimpleXML element
  - SimpleXMLElement::addChild — Adds a child element to the XML node
  - SimpleXMLElement::asXML — Return a well-formed XML string based on SimpleXML element
  - SimpleXMLElement::attributes — Identifies an element's attributes
  - SimpleXMLElement::children — Finds children of given node
  - SimpleXMLElement::__construct — Creates a new SimpleXMLElement object
  - SimpleXMLElement::count — Counts the children of an element
  - SimpleXMLElement::getDocNamespaces — Returns namespaces declared in document
  - SimpleXMLElement::getName — Gets the name of the XML element
  - SimpleXMLElement::getNamespaces — Returns namespaces used in document
  - SimpleXMLElement::registerXPathNamespace — Creates a prefix/ns context for the next XPath query
  - SimpleXMLElement::saveXML — Alias of SimpleXMLElement::asXML
  - SimpleXMLElement::__toString — Returns the string content
  - SimpleXMLElement::xpath — Runs XPath query on XML data
- SimpleXMLIterator — The SimpleXMLIterator class
  - SimpleXMLIterator::current — Returns the current element
  - SimpleXMLIterator::getChildren — Returns the sub-elements of the current element
  - SimpleXMLIterator::hasChildren — Checks whether the current element has sub elements
  - SimpleXMLIterator::key — Return current key
  - SimpleXMLIterator::next — Move to next element
  - SimpleXMLIterator::rewind — Rewind to the first element
  - SimpleXMLIterator::valid — Check whether the current element is valid
- SimpleXML Functions
  - simplexml_import_dom — Get a SimpleXMLElement object from a DOM node
  - simplexml_load_file — Interprets an XML file into an object
  - simplexml_load_string — Interprets a string of XML into an object