226 lines
7 KiB
PHP
226 lines
7 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @copyright Copyright (c) 2016, Lukas Reschke <lukas@statuscode.ch>
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*
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* @author Andreas Fischer <bantu@owncloud.com>
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* @author Christoph Wurst <christoph@owncloud.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\App;
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use OCP\ICache;
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class InfoParser {
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/** @var \OCP\ICache|null */
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private $cache;
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/**
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* @param ICache|null $cache
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*/
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public function __construct(ICache $cache = null) {
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$this->cache = $cache;
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}
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/**
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* @param string $file the xml file to be loaded
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* @return null|array where null is an indicator for an error
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*/
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public function parse($file) {
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if (!file_exists($file)) {
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return null;
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}
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if(!is_null($this->cache)) {
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$fileCacheKey = $file . filemtime($file);
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if ($cachedValue = $this->cache->get($fileCacheKey)) {
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return json_decode($cachedValue, true);
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}
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}
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libxml_use_internal_errors(true);
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$loadEntities = libxml_disable_entity_loader(false);
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$xml = simplexml_load_file($file);
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libxml_disable_entity_loader($loadEntities);
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if ($xml === false) {
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libxml_clear_errors();
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return null;
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}
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$array = $this->xmlToArray($xml);
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if (is_null($array)) {
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return null;
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}
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if (!array_key_exists('info', $array)) {
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$array['info'] = [];
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}
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if (!array_key_exists('remote', $array)) {
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$array['remote'] = [];
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}
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if (!array_key_exists('public', $array)) {
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$array['public'] = [];
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}
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if (!array_key_exists('types', $array)) {
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$array['types'] = [];
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}
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if (!array_key_exists('repair-steps', $array)) {
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$array['repair-steps'] = [];
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}
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if (!array_key_exists('install', $array['repair-steps'])) {
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$array['repair-steps']['install'] = [];
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}
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if (!array_key_exists('pre-migration', $array['repair-steps'])) {
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$array['repair-steps']['pre-migration'] = [];
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}
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if (!array_key_exists('post-migration', $array['repair-steps'])) {
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$array['repair-steps']['post-migration'] = [];
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}
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if (!array_key_exists('live-migration', $array['repair-steps'])) {
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$array['repair-steps']['live-migration'] = [];
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}
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if (!array_key_exists('uninstall', $array['repair-steps'])) {
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$array['repair-steps']['uninstall'] = [];
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}
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if (!array_key_exists('background-jobs', $array)) {
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$array['background-jobs'] = [];
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}
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if (!array_key_exists('two-factor-providers', $array)) {
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$array['two-factor-providers'] = [];
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}
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if (!array_key_exists('commands', $array)) {
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$array['commands'] = [];
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}
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if (!array_key_exists('activity', $array)) {
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$array['activity'] = [];
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}
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if (!array_key_exists('filters', $array['activity'])) {
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$array['activity']['filters'] = [];
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}
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if (!array_key_exists('settings', $array['activity'])) {
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$array['activity']['settings'] = [];
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}
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if (!array_key_exists('providers', $array['activity'])) {
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$array['activity']['providers'] = [];
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}
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if (array_key_exists('types', $array)) {
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if (is_array($array['types'])) {
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foreach ($array['types'] as $type => $v) {
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unset($array['types'][$type]);
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if (is_string($type)) {
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$array['types'][] = $type;
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}
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}
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} else {
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$array['types'] = [];
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}
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}
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if (isset($array['repair-steps']['install']['step']) && is_array($array['repair-steps']['install']['step'])) {
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$array['repair-steps']['install'] = $array['repair-steps']['install']['step'];
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}
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if (isset($array['repair-steps']['pre-migration']['step']) && is_array($array['repair-steps']['pre-migration']['step'])) {
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$array['repair-steps']['pre-migration'] = $array['repair-steps']['pre-migration']['step'];
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}
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if (isset($array['repair-steps']['post-migration']['step']) && is_array($array['repair-steps']['post-migration']['step'])) {
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$array['repair-steps']['post-migration'] = $array['repair-steps']['post-migration']['step'];
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}
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if (isset($array['repair-steps']['live-migration']['step']) && is_array($array['repair-steps']['live-migration']['step'])) {
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$array['repair-steps']['live-migration'] = $array['repair-steps']['live-migration']['step'];
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}
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if (isset($array['repair-steps']['uninstall']['step']) && is_array($array['repair-steps']['uninstall']['step'])) {
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$array['repair-steps']['uninstall'] = $array['repair-steps']['uninstall']['step'];
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}
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if (isset($array['background-jobs']['job']) && is_array($array['background-jobs']['job'])) {
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$array['background-jobs'] = $array['background-jobs']['job'];
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}
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if (isset($array['commands']['command']) && is_array($array['commands']['command'])) {
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$array['commands'] = $array['commands']['command'];
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}
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if (isset($array['activity']['filters']['filter']) && is_array($array['activity']['filters']['filter'])) {
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$array['activity']['filters'] = $array['activity']['filters']['filter'];
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}
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if (isset($array['activity']['settings']['setting']) && is_array($array['activity']['settings']['setting'])) {
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$array['activity']['settings'] = $array['activity']['settings']['setting'];
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}
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if (isset($array['activity']['providers']['provider']) && is_array($array['activity']['providers']['provider'])) {
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$array['activity']['providers'] = $array['activity']['providers']['provider'];
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}
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if(!is_null($this->cache)) {
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$this->cache->set($fileCacheKey, json_encode($array));
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}
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return $array;
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}
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/**
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* @param \SimpleXMLElement $xml
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* @return array
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*/
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public function xmlToArray($xml) {
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if (!$xml->children()) {
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return (string)$xml;
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}
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$array = [];
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foreach ($xml->children() as $element => $node) {
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$totalElement = count($xml->{$element});
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if (!isset($array[$element])) {
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$array[$element] = $totalElement > 1 ? [] : "";
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}
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/** @var \SimpleXMLElement $node */
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// Has attributes
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if ($attributes = $node->attributes()) {
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$data = [
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'@attributes' => [],
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];
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if (!count($node->children())){
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$value = (string)$node;
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if (!empty($value)) {
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$data['@value'] = (string)$node;
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}
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} else {
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$data = array_merge($data, $this->xmlToArray($node));
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}
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foreach ($attributes as $attr => $value) {
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$data['@attributes'][$attr] = (string)$value;
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}
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if ($totalElement > 1) {
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$array[$element][] = $data;
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} else {
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$array[$element] = $data;
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}
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// Just a value
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} else {
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if ($totalElement > 1) {
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$array[$element][] = $this->xmlToArray($node);
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} else {
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$array[$element] = $this->xmlToArray($node);
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}
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}
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}
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return $array;
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}
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}
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