<?Php

$str_xml = <<<XML

<?xml version='1.0' standalone='yes'?>

<b:details xmlns:b="https://www.example.com/ns">

<name>Abcd</name>



<o:address xmlns:o="https://www.example.com/ns1">

  <o:door_no>234-ac</o:door_no>

  <o:street>Great Wall</o:street>

  <o:city>Alabama</o:city>

</o:address>





<r:address xmlns:r="https://www.example.com/ns2">

  <r:door_no>543-de</r:door_no>

  <r:street>Garden street</r:street>

  <r:city>New Work</r:city>

</r:address>





</b:details>

XML;

?>