/**
* 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) {
$arr[TiendaArrayToXML::attr_arr_string][$attrib] = (string) $value;
}
$children = $obj->children();
$executed = FALSE;
// Check all children of node
foreach ($children as $elementName => $node) {
// Check if there are multiple node with the same key and generate a multiarray
if ($arr[$elementName] != NULL) {
if ($arr[$elementName][0] !== NULL) {
$i = count($arr[$elementName]);
TiendaArrayToXML::toArray($node, $arr[$elementName][$i]);
} else {
$tmp = $arr[$elementName];
$arr[$elementName] = array();
$arr[$elementName][0] = $tmp;
$i = count($arr[$elementName]);
TiendaArrayToXML::toArray($node, $arr[$elementName][$i]);
}
} else {
$arr[$elementName] = array();
TiendaArrayToXML::toArray($node, $arr[$elementName]);
}
$executed = TRUE;
}
// Check if is already processed and if already contains attributes
if (!$executed && $children->getName() == "" && !isset($arr[TiendaArrayToXML::attr_arr_string])) {
$arr = (string) $obj;
}
return $arr;
}
