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<?php
/**
* A class representing an XML element for import.
*
* @package Elgg.Core
* @subpackage XML
*/
class XmlElement {
/**
* @var SimpleXMLElement
*/
private $_element;
/**
* Creates XmlElement from string or existing SimpleXMLElement
* @param string|SimpleXMLElement $xml
*/
public function __construct($xml) {
if ($xml instanceof SimpleXMLElement) {
$this->_element = $xml;
} else {
$this->_element = new SimpleXMLElement($xml);
}
}
/**
* @return string The name of the element
*/
public function getName() {
return $this->_element->getName();
}
/**
* @return array:string The attributes
*/
public function getAttributes() {
//include namespace declarations as attributes
$xmlnsRaw = $this->_element->getNamespaces();
$xmlns = array();
foreach ($xmlnsRaw as $key => $val) {
$label = 'xmlns'.($key?":$key":$key);
$xmlns[$label] = $val;
}
//get attributes and merge with namespaces
$attrRaw = $this->_element->attributes();
$attr = array();
foreach ($attrRaw as $key => $val) {
$attr[$key] = $val;
}
$attr = array_merge((array)$xmlns, (array)$attr);
$result = array();
foreach ($attr as $key => $val) {
$result[$key] = (string)$val;
}
return $result;
}
/**
* @return string CData
*/
public function getContent() {
return (string)$this->_element;
}
/**
* @return array:XmlElement Child elements
*/
public function getChildren() {
$children = $this->_element->children();
$result = array();
foreach ($children as $val) {
$result[] = new XmlElement($val);
}
return $result;
}
function __get($name) {
switch ($name) {
case 'name':
return $this->getName();
break;
case 'attributes':
return $this->getAttributes();
break;
case 'content':
return $this->getContent();
break;
case 'children':
return $this->getChildren();
break;
}
return null;
}
function __isset($name) {
switch ($name) {
case 'name':
return $this->getName()!==null;
break;
case 'attributes':
return $this->getAttributes()!==null;
break;
case 'content':
return $this->getContent()!==null;
break;
case 'children':
return $this->getChildren()!==null;
break;
}
return false;
}
};
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