query1.php

<?php

    $dbhost = 'localhost';
    $dbuser = 'root';
    $dbpass = 'dbadmin';
    $dbname = 'wait4me';

    $q_id = $_GET['queue'];
    $q_email = $_GET['email'];
    $q_pos = 0;

    $conn = new mysqli($dbhost, $dbuser, $dbpass, $dbname);

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

    $tbl_name = "$tbl_queue_" . $q_id;
    $sql = "INSERT INTO ".$tbl_name." (queue_member, queue_pos) VALUES ('"$q_name."','".$q_pos."')";

    if ($conn->query($sql) === TRUE) {
        $retval = array('code' => 1, 'message' => 'User have been subscrived to queue');
    }
    else {
        $retval = array('code' => 0, 'message' => 'User cannot subscribe to queue. Please try again.');
        echo("anjir ini query sampah ----> ".$sql);
    }

    echo json_encode($retval);
    $conn->close();
?>