PDO Prepare PHP

PDO Prepare

This Is A Secure Way To Sign in With pdo::prepare

<?php
function secured_signin($username,$password)
{
try
{
$connection = new PDO("mysql:host=$dbhost;dbname=$dbname", $dbusername, $dbpassword);
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

$prepared = $connection->prepare("SELECT COUNT(`username`) FROM `users` WHERE `username` = :bp_username AND `password` = :bp_password ; ");
$prepared->bindParam(':bp_username', $username);
$prepared->bindParam(':bp_password', $password);
$prepared->execute();

if ($prepared->fetchColumn() == 1)
$result=true;

else
$result=false;
}

catch(PDOException $x) { die("Secured"); }

$prepared = null;
$connection = null;

return $result;
}
/*
$dbhost ---> DataBase IP Address
$dbusername ---> DataBase Username
$dbpassword ---> DataBase Password
$dbname ---> DataBase Name
*/
?>