<?php 
session_start();
include_once('include/config.inc.php');


	$sql = "select * from stockhead  where category='".$_POST['course']."'";

    $result = mysqli_query($con, $sql) or die("Error in Selecting " . mysqli_error($con));

    //create an array
    $emparray = array();
    while($row =mysqli_fetch_assoc($result))
    {
        $emparray[] = $row;
    }
    echo json_encode($emparray);

    //close the db connection
    mysqli_close($con);
?>