/**
* Convert an XML document to a multi dimensional array
* Pass in an XML document (or SimpleXMLElement object) and this recrusively loops through and builds a representative array
*
* @param string $xml - XML document - can optionally be a SimpleXMLElement object
* @return array ARRAY
*/
public static function toArray($xml)
{
if (is_string($xml)) {
$xml = new SimpleXMLElement($xml);
}
$children = $xml->children();
if (!$children) {
return (string) $xml;
}
$arr = array();
foreach ($children as $key => $node) {
$node = ArrayToXML::toArray($node);
// support for 'anon' non-associative arrays
if ($key == 'anon') {
$key = count($arr);
}
// if the node is already set, put it into an array
if (isset($arr[$key])) {
if (!is_array($arr[$key]) || !isset($arr[$key][0])) {
$arr[$key] = array($arr[$key]);
}
$arr[$key][] = $node;
} else {
$arr[$key] = $node;
}
}
return $arr;
}
/**
* @author giorgio 25/set/2013
*
* renders the widgets of the page as described in the passed xml config file
*
* @param string $widgetsConfFilename xml configuration filename for the widgets
* @param arrayn $optionsArray array of option to be passed to the widget loader
*
* @return array|AMA_Error
*/
public function fillin_widgetsFN($widgetsConfFilename = '', $optionsArray = array())
{
require_once ROOT_DIR . '/widgets/include/widget_includes.inc.php';
if (is_file($widgetsConfFilename)) {
try {
$widgetAr = ArrayToXML::toArray(file_get_contents($widgetsConfFilename));
} catch (Exception $e) {
/*
* see config_errors.inc.php line 167 and following.
* depending on the erorr phase / severity something will happen...
*/
return new ADA_Error(NULL, 'Widget configuration XML is not valid', __METHOD__, ADA_ERROR_ID_XML_PARSING);
}
}
/**
* @author giorgio 25/feb/2014
* ArrayToXML::toArray does not return an array of array if there's
* only one widget in the xml. Let's build an array of array even in this case.
*/
if (!is_array(reset($widgetAr['widget']))) {
$widgets = array($widgetAr['widget']);
} else {
$widgets = $widgetAr['widget'];
}
$retArray = array();
foreach ($widgets as $widget) {
// if widget is not active skip the current iteration
if (isset($widget['active']) && intval($widget['active']) === 0 || isset($widget[$widget['id']]) && intval($widget[$widget['id']['isActive']]) === 0) {
continue;
}
$wobj = new Widget($widget);
/**
* if there are some params passed in, tell it to the widget
*/
if (isset($optionsArray[$wobj->templateField]) && !empty($optionsArray[$wobj->templateField])) {
foreach ($optionsArray[$wobj->templateField] as $name => $value) {
$wobj->setParam($name, $value);
}
}
$retArray[$wobj->templateField] = $wobj->getWidget();
}
return $retArray;
}
/**
* The main function for converting to an array.
* Pass in a XML document and this recrusively loops through and builds up an array.
*
* @static
* @param string $obj - XML document string (at start point)
* @param array $arr - Array to generate
* @return array - Array generated
*/
public static function toArray($obj, &$arr = NULL)
{
if (is_null($arr)) {
$arr = array();
}
if (is_string($obj)) {
$obj = new SimpleXMLElement($obj);
}
// Get attributes for current node and add to current array element
$attributes = $obj->attributes();
foreach ($attributes as $attrib => $value) {
$arr[ArrayToXML::attr_arr_string][$attrib] = (string) $value;
}
$children = $obj->children();
$executed = FALSE;
// Check all children of node
foreach ($children as $elementName => $node) {
// Check if there are multiple node with the same key and generate a multiarray
if (array_key_exists($elementName, $arr) && $arr[$elementName] != NULL) {
if (isset($arr[$elementName][0]) && $arr[$elementName][0] !== NULL) {
$i = count($arr[$elementName]);
ArrayToXML::toArray($node, $arr[$elementName][$i]);
} else {
$tmp = $arr[$elementName];
$arr[$elementName] = array();
$arr[$elementName][0] = $tmp;
$i = count($arr[$elementName]);
ArrayToXML::toArray($node, $arr[$elementName][$i]);
}
} else {
$arr[$elementName] = array();
ArrayToXML::toArray($node, $arr[$elementName]);
}
$executed = TRUE;
}
// Check if is already processed and if already contains attributes
if (!$executed && $children->getName() == "" && !isset($arr[ArrayToXML::attr_arr_string])) {
$arr = (string) $obj;
}
return $arr;
}
