How can I parse the following XML string to get the code and result?

How can I parse the following XML strings to get the code and result? If it is not empty, the following error occurs: PHPcode $ xml = '& lt ;? Xmlversion = & quot; 1.0 & quot; encoding = & quot; UTF-8 & quot ;? & Gt; & lt; APIResultxmlns: xsi = & qu. how can I parse the following XML strings to get code and result?
If it is not empty, an error is returned:

PHP code

  $ Xml ='

  0

  
   
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  '; $ Xml = iconv ('gbk', 'utf-8', $ xml); // it cannot be converted. $ dom = simplexml_load_string ($ xml ); $ result_code = iconv ('utf-8', 'gbk', $ dom-> code); // result code $ result_info = iconv ('utf-8 ', 'gbk', $ dom-> result); // result information

------ Solution --------------------
The Code and Result labels are clearly in xml. Note that the first letter is in uppercase.