<?php include('includes/config/config.php'); include('includes/functions.php'); include('log_entry.php'); $emp_id = $_REQUEST['emp_id']; $data = array(); $sql = "select height,weight,bmi from patient_master where id = '" . $emp_id . "'"; error_log("query ".$sql); $result = mysqli_query($conn, $sql); $row = mysqli_fetch_assoc($result); $data['height'] = $row['height']; $data['weight'] = $row['weight']; $data['bmi'] = $row['bmi']; error_log("final vital data " . print_r($data, true)); echo json_encode($data);