<?php
$xml_document .= "<raiz>\n";
$xml_document .= "\t<monet></monet>\n";
$xml_document .= "\t<picasso>\n";
$xml_document .= "\t\t<quadro></quadro>\n";
$xml_document .= "\t<picasso>\n";
$xml_document .= "</raiz>\n";
echo $xml_document;
PD9waHAKCgkkeG1sX2RvY3VtZW50IC49ICI8cmFpej5cbiI7CgkkeG1sX2RvY3VtZW50IC49ICJcdDxtb25ldD48L21vbmV0PlxuIjsKCSR4bWxfZG9jdW1lbnQgLj0gIlx0PHBpY2Fzc28+XG4iOwoJJHhtbF9kb2N1bWVudCAuPSAiXHRcdDxxdWFkcm8+PC9xdWFkcm8+XG4iOwoJJHhtbF9kb2N1bWVudCAuPSAiXHQ8cGljYXNzbz5cbiI7CgkkeG1sX2RvY3VtZW50IC49ICI8L3JhaXo+XG4iOwoJCgllY2hvICR4bWxfZG9jdW1lbnQ7