main.php

<?php       

header('Access-Control-Allow-Origin: *');
// error_reporting(0);
$servername = "localhost";
$username = "******";
$password = "**********";
$dbname = "**********";
// Create connection
$new = new mysqli($servername, $username, $password,$dbname);

// Check connection
 if ($new->connect_error) {
     die("Connection failed: " . $conn->connect_error);
 }

            $sql = "SELECT * FROM input";
            $result = $new->query($sql);

            $str = "{";
            $length = $result->num_rows;
            $count=0;
            if ($result->num_rows > 0) {
                while($row = $result->fetch_assoc()) {
                   $str.='"'.$row["id"].'":'.'{"name":"'.$row["name"].'","phone":"'.$row["phone"].'","dept":"'.$row["department"].'","hosp":"'.$row["hospital"].'","place":"'.$row["place"].'"}';
                   $count++;
                    if($count!=$length){
                        $str.=",";
                    }
                }
            }
                $str.="}";
                echo $str;
            ?>