Select Data From Database using PHP, Mysqli

$conn = new mysqli("localhost","root","password","dbname");
if(! $conn ) {
      die('Could not connect to the database ');
}

$selectData = "SELECT * FROM users WHERE username= 'U1T5q'";
$result = $conn->query($selectData);
$totalRecords = mysqli_num_rows($result); // count of selected records
if ($result->num_rows > 0) {
	while($row = $result->fetch_assoc()) {
		echo "Selected Username:". $row['username']." and user email:".$row['user_email'];
	} 
}