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Posted by Simon on 11/23/06 10:03
I have the following code in Javascript which is creating and sending
an XMLHttpRequest .
<code>
var xmlHttp;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2) {
xmlHttp = false;
}
}
@end @*/
alert(xmlHttp);
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
xmlHttp = new XMLHttpRequest();
}
// Build the URL to connect to
var url = "getURL.php";
// Open a connection to the server
xmlHttp.open("GET", url, true);
// Setup a function for the server to run when it's done
xmlHttp.onreadystatechange = updatePage;
// Send the request
xmlHttp.send(null);
</code>
The problem I am having is server side where I am trying to detect an
Ajax request.
I have the folowing function isAjax() which is returning false:
<code>
<?php
if(isAjax()){
echo "This is an Ajax request";
}
else{
echo "Not Ajax";
}
function isAjax() {
return isset($_SERVER['HTTP_X_REQUESTED_WITH']) &&
$_SERVER ['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest';
}
?>
</code>
Can someone tell me why isAjax() is failing here?
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