multidimension-al / xml-array

lib/XMLArray.php

<?php
/**
 *       __  ___      ____  _     ___                           _                    __
 *      /  |/  /_  __/ / /_(_)___/ (_)___ ___  ___  ____  _____(_)___  ____   ____ _/ /
 *     / /|_/ / / / / / __/ / __  / / __ `__ \/ _ \/ __ \/ ___/ / __ \/ __ \ / __ `/ /
 *    / /  / / /_/ / / /_/ / /_/ / / / / / / /  __/ / / (__  ) / /_/ / / / // /_/ / /
 *   /_/  /_/\__,_/_/\__/_/\__,_/_/_/ /_/ /_/\___/_/ /_/____/_/\____/_/ /_(_)__,_/_/
 *
 *  XML to Array Library
 *  Copyright (c) Multidimension.al (http://multidimension.al)
 *  Github : https://github.com/multidimension-al/xml-array
 *
 *  Licensed under The MIT License
 *  For full copyright and license information, please see the LICENSE file
 *  Redistributions of files must retain the above copyright notice.
 *
 *  @copyright  Copyright © 2017-2019 Multidimension.al (http://multidimension.al)
 *  @link       https://github.com/multidimension-al/xml-array Github
 *  @license    http://www.opensource.org/licenses/mit-license.php MIT License
 */

namespace Multidimensional\XmlArray;

class XMLArray
{

    /**
     * This function will generate a PHP array from a string containing well formed XML code. If the XML string cannot
     * be loaded, it will return null. This function has an optional parameter to return @attributes reformatted, which
     * is enabled by default.
     *
     * @param string|null $string
     * @param bool $convertAttributes
     * @return array|null
     */
    public static function generateArray($string, $convertAttributes = true)
    {
        $xml = simplexml_load_string($string);
        if ($xml !== false) {
            $json = json_encode([$xml->getName() => $xml]);
            $array = json_decode($json, true);
            if ($convertAttributes === true) {
                $array = self::convertAttributes($array);
            }
            return $array;
        } else {
            return null;
        }
    }
    
    /**
     * This private function will convert attributes from the standard @attributes array to an inline set of fields
     * with the @ notation in front of each variable key. This function works recursively to find all @attributes in
     * the entire supplied array.
     *
     * @param array $array
     * @return array
     */
    private static function convertAttributes($array)
    {
        if (is_array($array)) {

The condition is_array($array) is always true.

            foreach ($array as $key => $value) {
                if (isset($value['@attributes'])) {
                    foreach ($value['@attributes'] as $key2 => $value2) {
                        $array[$key]['@'.$key2] = $value2;
                    }
                    unset($array[$key]['@attributes']);
                }

                if (is_array($array[$key])) {
                    $array[$key] = self::convertAttributes($array[$key]);
                }
            }
        }
        
        return $array;
    }
}