SimpleXML 擴展提供了一個非常簡單和易于使用的工具集，能將 XML 轉換成一個帶有一般屬性選擇器和數組迭代器的對象。 此擴展默認為啟用 * [SimpleXMLElement](https://www.php.net/manual/en/class.simplexmlelement.php)— SimpleXMLElement類 * [SimpleXMLElement :: \_\_ construct](https://www.php.net/manual/en/simplexmlelement.construct.php)—創建一個新的SimpleXMLElement對象 * [SimpleXMLElement :: addAttribute](https://www.php.net/manual/en/simplexmlelement.addattribute.php)—將屬性添加到SimpleXML元素 * [SimpleXMLElement :: addChild](https://www.php.net/manual/en/simplexmlelement.addchild.php)—將子元素添加到XML節點 * [SimpleXMLElement :: asXML](https://www.php.net/manual/en/simplexmlelement.asxml.php)—返回基于SimpleXML元素的格式正確的XML字符串 * [SimpleXMLElement :: attributes](https://www.php.net/manual/en/simplexmlelement.attributes.php)—標識元素的屬性 * [SimpleXMLElement :: children](https://www.php.net/manual/en/simplexmlelement.children.php)—查找給定節點的子代 * [SimpleXMLElement :: count](https://www.php.net/manual/en/simplexmlelement.count.php)—計算元素的子代 * [SimpleXMLElement :: getDocNamespaces](https://www.php.net/manual/en/simplexmlelement.getdocnamespaces.php)—返回在文檔中聲明的名稱空間 * [SimpleXMLElement :: getName](https://www.php.net/manual/en/simplexmlelement.getname.php)—獲取XML元素的名稱 * [SimpleXMLElement :: getNamespaces](https://www.php.net/manual/en/simplexmlelement.getnamespaces.php)—返回文檔中使用的名稱空間 * [SimpleXMLElement :: registerXPathNamespace](https://www.php.net/manual/en/simplexmlelement.registerxpathnamespace.php)—為下一個XPath查詢創建一個前綴/ ns上下文 * [SimpleXMLElement :: saveXML](https://www.php.net/manual/en/simplexmlelement.savexml.php)— SimpleXMLElement :: asXML的別名 * [SimpleXMLElement :: \_\_ toString](https://www.php.net/manual/en/simplexmlelement.tostring.php)—返回字符串內容 * [SimpleXMLElement :: xpath](https://www.php.net/manual/en/simplexmlelement.xpath.php)—對XML數據運行XPath查詢 * [SimpleXMLIterator](https://www.php.net/manual/en/class.simplexmliterator.php)— SimpleXMLIterator類 * [SimpleXMLIterator :: current](https://www.php.net/manual/en/simplexmliterator.current.php)—返回當前元素 * [SimpleXMLIterator :: getChildren](https://www.php.net/manual/en/simplexmliterator.getchildren.php)—返回當前元素的子元素 * [SimpleXMLIterator :: hasChildren](https://www.php.net/manual/en/simplexmliterator.haschildren.php)—檢查當前元素是否具有子元素 * [SimpleXMLIterator :: key](https://www.php.net/manual/en/simplexmliterator.key.php)—返回當前密鑰 * [SimpleXMLIterator :: next-](https://www.php.net/manual/en/simplexmliterator.next.php)移至下一個元素 * [SimpleXMLIterator :: rewind](https://www.php.net/manual/en/simplexmliterator.rewind.php)—倒退到第一個元素 * [SimpleXMLIterator :: valid](https://www.php.net/manual/en/simplexmliterator.valid.php)—檢查當前元素是否有效 * [SimpleXML函數](https://www.php.net/manual/en/ref.simplexml.php) * [simplexml\_import\_dom](https://www.php.net/manual/en/function.simplexml-import-dom.php)—從DOM節點獲取SimpleXMLElement對象 * [simplexml\_load\_file](https://www.php.net/manual/en/function.simplexml-load-file.php)—將XML文件解釋為對象 * [simplexml\_load\_string](https://www.php.net/manual/en/function.simplexml-load-string.php)—將XML字符串解釋為對象