ajax没有达到php方面

Question

I want to get rid of my html form submits and replace them by Ajax ( X M L H t p Request). I have set the form return value to "false" and I have written a small test to test the Ajax mechanism. At the Java script side I do receive the ready state 4 and status 200, so sending data succeeds apparently, but at the PHP side the variables never arrive.

I try to pick them up the usual way with the POST method, the same way like I did before when receiving html submits, of which the simplified form is:

$x = $_POST['x']; echo $x;

'x' having been sent with Ajax, state 4 , status 200.

Can anyone tell what am doing wrong? Thanks a lot.

Answer 1

most likely you are posting JSON data? Try this snippet:

switch ($httpMethod) {
          case 'POST':
          $rest_json = file_get_contents("php://input");
            $jsonData = json_decode($rest_json,true);
            foreach($jsonData as $item){
                var_dump($item);
                $studentsCollection->insert($item);
            }
            $response = $studentsCollection->find();
            break;

This is from a simple rest api I was using. Just change it to suit yourself without a verb switch statement.