Detailed explanation of conversion examples between PHP XML and arrays

This article mainly introduces relevant information on the detailed explanation of the mutual conversion between PHP XML and arrays. Friends in need can refer to the following

PHP XML and array mutual conversion

//数组转XML
  function arrayToXml($arr)
  {
    $xml = "<xml>";
    foreach ($arr as $key=>$val)
    {
      if (is_numeric($val)){
        $xml.="<".$key.">".$val."</".$key.">";
      }else{
         $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
      }
    }
    $xml.="</xml>";
    return $xml;
  }

  //将XML转为array
  function xmlToArray($xml)
  {  
    //禁止引用外部xml实体
    libxml_disable_entity_loader(true);
    $values = json_decode(json_encode(simplexml_load_string($xml, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA)), true);    
    return $values;
  }

Five predefined entities in the XML file:

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