- var_dump: documentation ( source)
- simplexml_load_string: documentation ( source)
<?php
$product = simplexml_load_string('<product><price><main>32.29</main></price></product>');
var_dump($product->price->main / 1.21);
var_dump((int) $product->price->main / 1.21);
var_dump((string) $product->price->main / 1.21);
var_dump((float) $product->price->main / 1.21);