I am sending parameters using XMLHttpRequest() javascript function to another php page in Json formate, but $_POST['appoverGUID'] not getting post values.
Here is my Javascript code.
function loadPage(href){
var http = new XMLHttpRequest();
var url = json.php;
var approverGUID = "Test";
var params = JSON.stringify({ appoverGUID: approverGUID });
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/json; charset=utf-8");
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
http.onreadystatechange = function() {
if(http.readyState == 4 && http.status == 200) {
document.getElementById('bottom').innerHTML = http.responseText;
}
}
http.send(params);
}
And here is my json.php file code.
if(isset($_POST['appoverGUID'])){
echo $_POST['appoverGUID'];
}
You need use json_decode
. Some like this:
if ("application/json" === getallheaders())
$_JSON = json_decode(file_get_contents("php://input"), true) ?: [];
Fill params this way (did no escaping/encoding of approverGUID content, here..):
params = "appoverGUID="+approverGUID;
Also see:
First of all remove these headers since they will be send automatically by the browser and it's the right way to do it.
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
This code is a cross browser solution and it's tested.
// IE 5.5+ and every other browser
var xhr = new(window.XMLHttpRequest || ActiveXObject)('MSXML2.XMLHTTP.3.0');
var params = "appoverGUID="+approverGUID;
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
xhr.setRequestHeader("Accept", "application/json");
xhr.onreadystatechange = function () {
if (this.readyState === 4) {
if (this.status >= 200 && this.status < 400) {
console.log(JSON.parse(this.responseText));
}
}
}
xhr.send(params);
xhr = null;
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