php如何解析这个类型的xml文件

Question

<?xml version="1.0" encoding="UTF-8"?><documentroot><![CDATA[<title>title</title>]]>
<![CDATA[<sectitle></sectitle>]]>
<![CDATA[<thdtitle></thdtitle>]]>
<![CDATA[<linktitle></linktitle>]]>
<![CDATA[<author></author>]]>
<![CDATA[<source></source>]]>
<![CDATA[<editor>editor</editor>]]>
<![CDATA[<keyword></keyword>]]>
<![CDATA[<describe></describe>]]>
<![CDATA[<content><p><a>contetn</a></p></content>]]>
<![CDATA[<createdate>2018-01-12 15:43:33</createdate>]]>
<![CDATA[<deploytime>2018-01-12 15:43:33</deploytime>]]></documentroot>

补充: content里的html标签不能被解析