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darkfrienddarkfriend
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added Xml helper
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‎.gitignore

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vendor

‎composer.json

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{
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"name": "darkfriend/php5-xml",
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"type": "library",
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"description": "PHP5 scripts helper for xml",
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"keywords": ["dev","xml","helper","darkfriend","development","php5","php"],
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"homepage": "https://github.com/darkfriend/php5-xml",
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"authors": [
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{
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"name": "darkfriend",
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"email": "hi@darkfriend.ru"
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}
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],
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"require": {
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"php":">=5.3"
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},
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"autoload": {
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"psr-4": {
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"darkfriend\\helpers\\": "src/"
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}
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}
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}

‎readme.md

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# PHP5 XML helper
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* Array to XML (``` XML::encode() ```)
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* XML to Array (``` XML::decode() ```)
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## How to use
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### Array to XML (encode)
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```php
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$array = array(
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'bar' => 'value bar',
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'foo' => 'value foo',
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'der' => array(
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'@cdata' => 'this is long text',
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'@attributes' => array(
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'at1' => 'at1val',
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'at2' => 'at2val',
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),
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),
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'qpo' => array(
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'sub1' => array('sub2'=>'val')
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)
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);
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echo \darkfriend\helpers\Xml::encode($array);
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```
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#### Result encode
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```xml
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<root>
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<bar>value bar</bar>
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<foo>value foo</foo>
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<der at1="at1val" at2="at2val"><![CDATA[this is long text]]></der>
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<qpo>
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<sub1>
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<sub2>val</sub2>
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</sub1>
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</qpo>
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</root>
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```
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### Xml string to Array (decode)
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```php
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$xml = '<?xml version="1.0"?>
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<root>
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<bar>value bar</bar>
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<foo>value foo</foo>
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<der at1="at1val" at2="at2val"><![CDATA[this is long text]]></der>
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<qpo>
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<sub1>
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<sub2>val</sub2>
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</sub1>
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</qpo>
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</root>
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';
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var_dump(\darkfriend\helpers\Xml::decode($xml));
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```
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#### Result decode
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```
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Array
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(
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[bar] => value bar
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[foo] => value foo
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[der] => Array
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(
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[@attributes] => Array
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(
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[at1] => at1val
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[at2] => at2val
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)
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[@value] => this is long text
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)
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[qpo] => Array
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(
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[sub1] => Array
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(
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[sub2] => val
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)
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)
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)
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```

‎src/SimpleXMLElement.php

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<?php
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namespace darkfriend\helpers;
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/**
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* Class SimpleXMLElement
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* @package darkfriend\helpers
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* @author darkfriend <hi@darkfriend.ru>
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* @version 1.0.0
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*/
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class SimpleXMLElement extends \SimpleXMLElement
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{
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public function addCData($cdata_text)
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{
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$node = \dom_import_simplexml($this);
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$no = $node->ownerDocument;
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$node->appendChild($no->createCDATASection($cdata_text));
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}
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}

‎src/Xml.php

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<?php
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namespace darkfriend\helpers;
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/**
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* Class Xml
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* @package darkfriend\helpers
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* @author darkfriend <hi@darkfriend.ru>
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* @version 1.0.0
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*/
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class Xml
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{
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protected static $root = '<root/>';
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/**
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* Convert array to xml
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* @param mixed $data
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* @param array $params = [
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* 'root' => '<root/>',
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* 'exception' => false,
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* ]
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* @return string
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* @throws XmlException
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*/
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public static function encode($data, $params = array())
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{
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\libxml_use_internal_errors(true);
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if(empty($params['root'])) {
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$params['root'] = self::$root;
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}
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$xml = new SimpleXMLElement($params['root']);
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$xml = self::generateXml($xml, $data);
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if(!static::checkException($params)) {
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return '';
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}
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return $xml->asXML();
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}
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/**
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* @param SimpleXMLElement $xml
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* @param mixed $data
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* @return SimpleXMLElement
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*/
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public static function generateXml($xml, $data)
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{
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/** @var $xml SimpleXMLElement */
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if(is_array($data)) {
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foreach ($data as $key=>$item) {
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self::addChild($xml,$key,$item);
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}
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} else {
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self::addChild($xml,$data);
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}
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return $xml;
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}
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/**
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* Add child
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* @param SimpleXMLElement $xml
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* @param string $name
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* @param array|string $params
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* @return SimpleXMLElement
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*/
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public static function addChild($xml, $name, $params = '')
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{
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if(is_array($params)) {
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$value = null;
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if(key_exists('@value',$params)) {
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$value = $params['@value'];
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unset($params['@value']);
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}
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$namespace = null;
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if(key_exists('@namespace',$params)) {
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$namespace = $params['@namespace'];
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unset($params['@namespace']);
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}
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$child = $xml->addChild($name,$value, $namespace);
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if(key_exists('@attributes',$params)) {
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foreach ($params['@attributes'] as $keyAttr=>$attr) {
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$child->addAttribute($keyAttr, $attr);
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}
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unset($params['@attributes']);
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}
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if(key_exists('@cdata',$params)) {
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$child->addCData($params['@cdata']);
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unset($params['@cdata']);
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}
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foreach ($params as $key => $item) {
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if(is_array($item)) {
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self::addChild($child,$key,$item);
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} else {
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$child->addChild($key,$item);
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}
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}
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} else {
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$child = $xml->addChild($name, $params);
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}
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return $child;
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}
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/**
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* Decode XML string
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* @param string $data
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* @param array $params = [
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* 'convert' => true,
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* 'exception' => false,
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* ]
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* @return \darkfriend\helpers\SimpleXMLElement|array
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* @throws XmlException
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*/
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public static function decode($data, $params = array())
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{
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\libxml_use_internal_errors(true);
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$xml = \simplexml_load_string(
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$data,
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'\darkfriend\helpers\SimpleXMLElement',
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\LIBXML_NOCDATA
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);
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if(!static::checkException($params)) {
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return array();
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}
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if(!isset($params['convert'])) {
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$params['convert'] = true;
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}
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if($params['convert']) {
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return self::convertSimpleXml($xml);
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} else {
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return $xml;
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}
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}
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/**
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* Convert tree SimpleXMLElement
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* @param SimpleXMLElement $xml
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* @return array
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*/
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public static function convertSimpleXml($xml)
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{
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$res = array();
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/** @var SimpleXMLElement $item */
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foreach ($xml as $key=>$item) {
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if($item->count()>0) {
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$res[$key] = self::convertSimpleXml($item);
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} else {
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$res[$key] = self::convertSimpleXmlItem($item);
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}
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}
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return $res;
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}
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/**
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* Convert item SimpleXMLElement
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* @param SimpleXMLElement $item
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* @return array|string
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*/
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public static function convertSimpleXmlItem($item)
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{
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/** @var SimpleXMLElement $item */
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$attr = $item->attributes();
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if(!empty($attr)) {
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$element = (array) $attr;
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$element['@value'] = (string) $item;
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} else {
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$element = (string) $item;
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}
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return $element;
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}
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/**
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* Check error
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* @param array $params = [
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* 'exception' => true,
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* ]
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* @return bool if $params['exception'] === false
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* @throws XmlException if $params['exception'] === true
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*/
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public static function checkException($params = array())
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{
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$e = \libxml_get_errors();
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if(!$e) {
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return true;
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}
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$strError = '';
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foreach($e as $key => $xmlError) {
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$strError .= "$key:".$xmlError->message . "\n";
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}
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if($params['exception']) {
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throw new XmlException("XML error: $strError", 100, __FILE__, __LINE__);
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}
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return true;
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}
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/**
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* Set root element
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* @param string $root
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*/
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public static function setRootElement($root = '<root/>')
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{
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self::$root = $root;
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}
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/**
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* Get root element
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* @return string
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*/
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public static function getRootElement()
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{
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return self::$root;
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}
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}

‎src/XmlException.php

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<?php
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namespace darkfriend\helpers;
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/**
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* Class XmlException
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* @package darkfriend\helpers
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* @author darkfriend <hi@darkfriend.ru>
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* @version 1.0.0
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*/
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class XmlException extends \Exception
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{
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/**
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* Creates new exception object.
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* @param string $message
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* @param int $code
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* @param string $file
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* @param int $line
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* @param \Exception $previous
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*/
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public function __construct($message = "", $code = 0, $file = "", $line = 0, \Exception $previous = null)
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{
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parent::__construct($message, $code, $previous);
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if (!empty($file) && !empty($line)) {
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$this->file = $file;
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$this->line = $line;
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}
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}
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}

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