try{
    $conn = new PDO("mysql:dbname=somedatabase;host=localhost", "root", "");
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch(PDOException $e){
echo "Connection failed: " . $e->getMessage();
}

$date = $_POST["date'];
$name = $_POST["name"];

$query = $conn->prepare("select * from table where date=:date and name=:name");
        $query->bindParam(":date", $date);
        $query->bindParam(":name", $name);
        $query->execute();
        return $query->rowCount() > 0;