php- How to send $_POST data to xml? - php

Question

I have a php file that contains:
<?php
$no = $_POST['no'];
$url = "http://domain.tld/answer.xml";
?>
The $url stores a URL that links to an xml file and that xml files is like:
<?xml version="1.0" encoding="UTF-8"?>
<vxml version = "2.1" >
<Call> </Call>
</vxml>
I want to pass the $_POST['no'] to my xml file. Suppose if $_POST['no'] is 9999988888, then the tag in xml should be like:
<Call>9999988888</Call>
Can anyone tell how to do this? :)
that xml file is on my own server.

Answer 1

you could use simplexml, as:
$no = $_POST['no'];
$xml = simplexml_load_file('your_xml_file.xml');
$xml->Call = $no;
//save/update your xml
$xml->asXML('your_xml_file.xml');

Answer 2

You need to generate the xml using PHP.
First of all, rename your .xml to .php.
Then, start it using
<?php
header('Content-type: text/xml');
?>
When you reach your call tag, change it to :
<Call><?php echo intval($_GET['no']); ?></Call>
Note: I've assumed your no is a number. If it's not, remove intval. It's nice to have it as it will protect you from injections.
At last, call your XML file using :
$url = "http://domain.tld/answer.php?no=8877454";

Answer 3

Your XML should have some keywords, i.e.
<?xml version="1.0" encoding="UTF-8"?>
<vxml version = "2.1" >
<Call>{{CALL}}</Call>
</vxml>
In your PHP File, just fetch this XML & use str_replace to replace those keywords,
<?php
$no = $_POST['no'];
$url = "http://domain.tld/answer.xml";
$xml = file_get_contents($url);
$newXML = str_replace("{{CALL}}", $no, $xml);
header('Content-type: text/xml');
echo $newXML;
?>