xml - PHP DomDocument appendChild to end of root -


i've got xml formatted so

<things>   <thing>     <name>foo</name>     <id>1</id>   </thing>   <thing>     <name>bar</name>     <id>2</id>   </thing> </things>

and i've created new <thing> element info form. when $dom->appendchild($newthing), it's appended end of document, after </things>. 

   <things>      <thing>         <name>foo</name>         <id>1</id>       </thing>       <thing>         <name>bar</name>         <id>2</id>       </thing>     </things>     <thing>        <name>bar</name>        <id>2</id>     </thing>

obviously want new element child of root element, not after it. how do that? 

$dom->documentelement->appendchild($newthing);

from php manual:

documentelement
convenience attribute allows direct access child node document element of document.


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