call rest api service from jquery - php

Question

I am trying to understand restful services.i can create a class and define a function into this but when i call it through jquery it return null and when i call directly by typing url in address bar it return a json response
this is the code
class Api extends REST
{
public function processApi()
{
$func = strtolower(trim(str_replace("api/","",$_REQUEST['request'])));
if((int)method_exists($this,$func) > 0)
{
$this->$func();
}
else
{
$this->response('',404); // If the method not exist with in this class, response would be "Page not found".
}
}
private function json($data)
{
if(is_array($data))
{
return json_encode($data);
}
}
public function demo()
{
$error = array('status' => '200', "msg" => "OK");
$this->response($this->json($error), 200);
}
}
$api = new Api;
$api->processApi();
i just want to call demo method from jquery.this is what i am trying
$.post("db/api/demo",
function(data,status){
data = jQuery.parseJSON(data);
alert("Data: " + data + "\nStatus: " + status);
});
i am getting response through jquery when demo method is this
public function demo()
{
$error = array('status' => '200', "msg" => "OK");
echo json_encode($error);
//$this->response(json_encode($error), 200);
}

Answer 1

You should send datatype to server.
Try this code:
$.post( "db/api/demo")
.done(function( data ) {
$.each(data, function(index, element) {
alert('Data: ' + element.data + ' Status: ' + element.status);
});
}, "json");