Convert XML to Array

JsonXMLElement.php

<?php

/**
 * Class JsonXMLElement
 * @link https://hakre.wordpress.com/2013/07/09/simplexml-and-json-encode-in-php-part-i/
 */
class JsonXMLElement extends SimpleXMLElement implements JsonSerializable
{

    /**
     * Specify data which should be serialized to JSON
     *
     * @return mixed data which can be serialized by json_encode.
     */
    public function jsonSerialize()
    {
        $array = array();

        // json encode attributes if any.
        if ($attributes = $this->attributes()) {
            $array['@attributes'] = iterator_to_array($attributes);
        }

        // json encode child elements if any. group on duplicate names as an array.
        foreach ($this as $name => $element) {
            if (isset($array[$name])) {
                if (!is_array($array[$name])) {
                    $array[$name] = [$array[$name]];
                }
                $array[$name][] = $element;
            } else {
                $array[$name] = $element;
            }
        }

        // json encode non-whitespace element simplexml text values.
        $text = trim($this);
        if (strlen($text)) {
            if ($array) {
                $array['@text'] = $text;
            } else {
                $array = $text;
            }
        }

        // return empty elements as NULL (self-closing or empty tags)
        if (!$array) {
            $array = NULL;
        }

        return $array;
    }
}

$xml = <<<XML
<?xml version="1.0" encoding="UTF-8" ?>
<root doc="profile">
    <!-- This is a comment... -->
    <first_name>Brian</first_name>
    <middle_name></middle_name>
    <last_name>Matovu</last_name>
    <languages>Luganda</languages>
    <languages>English</languages>
    <website>
        <![CDATA[http://bmatovu.com]]>
    </website>
    <frameworks>
        <php>Laravel</php>
        <php>Slim</php>
        <python>django</python>
    </frameworks>
    <accounts>
        <username>brian-admin</username>
        <role>admin</role>
    </accounts>
    <accounts>
        <username>bmatovu</username>
        <role>supervisor</role>
    </accounts>
    <packages>
        <multi-auth>
            <language>php</language>
            <frameworks>laravel</frameworks>
            <home-page>
                <![CDATA[https://github.com/mtvbrianking/multi-auth]]>
            </home-page>
        </multi-auth>
        <laravel-xml>
            <language>php</language>
            <framework>laravel</framework>
            <home-page>
                <![CDATA[https://github.com/mtvbrianking/laravel-xml]]>
            </home-page>
        </laravel-xml>
    </packages>
</root>
XML;

$obj = simplexml_load_string($xml, 'JsonXMLElement');

// print_r($obj);

// print json_encode($obj, true);

print json_encode([$obj->getName() => $obj], true);

?>