function failedLogin(){
    echo "test";
    $lastip = $_SERVER['REMOTE_ADDR'];
    $testname2 = mysqli_real_escape_string($con, $_POST['username']);
    $testname = strtolower($testname2);
    $sql= "SELECT attempted FROM failed_logins WHERE Username = '$testname'";
    $result = $conn->query($sql);
    $attempted = 1;
    if (mysqli_num_rows($result) == 0) {
        $sql = "INSERT INTO failed_logins (username, ip_address, attempted) VALUES ('$testname', '$lastip', '$attempted')";
        $conn->query($sql);
    }elseif (mysqli_num_rows($result) == 1) {
        $sql = "UPDATE failed_logins SET attempted = '2' WHERE username = '$testname' AND ip_address = '$lastip'";
        $conn->query($sql);
    }elseif (mysqli_num_rows($result) == 2) {
        $sql = "UPDATE failed_logins SET attempted = '3' WHERE username = '$testname' AND ip_address = '$lastip'";
        $conn->query($sql);
        $sql = "UPDATE users SET Locked = 'Yes' WHERE username = '$testname'";
        $conn->query($sql);
    }
}