Recursive XML to array function

gistfile1.php

<?php

function xml2array($xml)
{
    $arr = array();

    foreach ($xml->getNamespaces() + array(null) as $prefix => $namespace) {
        foreach ($xml->attributes($namespace) as $key => $value) {
            // Add prefixes to prefixed attributes
            if (is_string($prefix)) {
                $key = $prefix . '.' . $key;
            }
            $arr['@attributes'][$key] = (string) $value;
        }
    }

    foreach ($xml as $name => $element) {
        $value = $element->children() ? xml2array($element) : trim($element);
        if ($value) {
            if (!isset($arr[$name])) {
                $arr[$name] = $value;
            } else {
                foreach ((array) $value as $k => $v) {
                    if (is_numeric($k)) {
                        $arr[$name][] = $v;
                    } else {
                        $arr[$name][$k] = array_merge(
                            (array) $arr[$name][$k], 
                            (array) $v
                        );
                    }
                }
            }
        }
    }

    if ($content = trim((string) $xml)) {
        $arr[] = $content;
    }

    return $arr;
}

line 17: just make if if ($element->children()) {