public static function simpleXmlToArray($xml, &$recursion_depth = 0)
{
if ($recursion_depth > 25) {
// Fatal error. Exit now.
return null;
}
if ($recursion_depth == 0) {
if (get_class($xml) != 'SimpleXMLElement') {
// If the external caller doesn't call this function initially
// with a SimpleXMLElement object, return now.
return null;
} else {
// Store the original SimpleXmlElementObject sent by the caller.
// We will need it at the very end when we return from here for good.
$provided_xml = $xml;
}
}
if (get_class($xml) == 'SimpleXMLElement') {
// Get a copy of the simpleXmlElementObject
$copy_xml = $xml;
// Get the object variables in the SimpleXmlElement object for us to iterate.
$xml = get_object_vars($xml);
}
// It needs to be an array of object variables.
if (is_array($xml)) {
// Initialize the result array.
$result_array = array();
// Is the input array size 0? Then, we reached the rare CDATA text if any.
if (count($xml) <= 0) {
// Let us return the lonely CDATA. It could even be
// an empty element or just filled with whitespaces.
return trim(strval($copy_xml));
}
// Let us walk through the child elements now.
foreach ($xml as $key => $value) {
// When this block of code is commented, XML attributes will be
// added to the result array.
// Uncomment the following block of code if XML attributes are
// NOT required to be returned as part of the result array.
/*
if((is_string($key)) && ($key == SIMPLE_XML_ELEMENT_OBJECT_PROPERTY_FOR_ATTRIBUTES)) {
continue;
}
*/
// Let us recursively process the current element we just visited.
// Increase the recursion depth by one.
$recursion_depth++;
$result_array[$key] = convert::simpleXmlToArray($value, $recursion_depth);
// Decrease the recursion depth by one.
$recursion_depth--;
}
if ($recursion_depth == 0) {
// That is it. We are heading to the exit now.
// Set the XML root element name as the root [top-level] key of
// the associative array that we are going to return to the caller of this
// recursive function.
$temp_array = $result_array;
$result_array = array();
$result_array[$provided_xml->getName()] = $temp_array;
}
return $result_array;
} else {
// We are now looking at either the XML attribute text or
// the text between the XML tags.
return trim(strval($xml));
}
// End of else
}
