Coder Circle

rest-client.php
<?
$rs=”http://localhost/rest/rest-server.php”;
$qs=””;
$parray=array(‘amount’=>”15.00″);
foreach($parray as $par=>$value){
$qs=$qs.”$par=”.urlencode($value).”&”; }
$uri=”$rs?$qs” . “aid=01″;
echo $qs . “<br>” . $uri . “<br>”;
$cobj=curl_init($uri);
curl_setopt($cobj,CURLOPT_RETURNTRANSFER,1);
$xml=curl_exec($cobj);
curl_close($cobj);
echo htmlspecialchars($xml);
?>
rest-server.php
<?
$amount=$_GET["amount"];
if ($_GET['aid']!=”010915780″)
{
echo “Invalid A ID”;
}
else
{
$taxcalc=$amount;
echo “<?xml version=\”1.0\”?>”;
echo “<taxinfo>”;
echo “<result>”.$taxcalc.”</result>”;
echo “<result>”.$taxcalc * 20 .”</result>”;
echo “</taxinfo>”;
}
?>
Test It.

var http_request = false;
function makePOSTRequest(url) {
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,…
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
// set type accordingly to anticipated content type
//http_request.overrideMimeType(‘text/xml’);
http_request.overrideMimeType(‘text/html’);
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject(“Msxml2.XMLHTTP”);
} catch (e) {
try {
http_request = new ActiveXObject(“Microsoft.XMLHTTP”);
} catch (e) {}
}
}
if (!http_request) {
alert(‘Cannot create XMLHTTP instance’);
return false;
}
http_request.onreadystatechange = alertContents;
http_request.open(‘GET’, url, true);
http_request.send(null);
}
function [...]

var http_request = false;
function makePOSTRequest(url, parameters) {
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,…
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
// set type accordingly to anticipated content type
//http_request.overrideMimeType(‘text/xml’);
http_request.overrideMimeType(‘text/html’);
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject(“Msxml2.XMLHTTP”);
} catch (e) {
try {
http_request = new ActiveXObject(“Microsoft.XMLHTTP”);
} catch (e) {}
}
}
if (!http_request) {
alert(‘Cannot create XMLHTTP instance’);
return false;
}
http_request.onreadystatechange = alertContents;
http_request.open(‘POST’, [...]