<?php
$servername = "localhost";
$username = "";
$password = "";
$dbname = "";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
 die("Connection failed: " . mysqli_connect_error());
}

$sql = "SELECT COUNT(*)
FROM domain_names
WHERE state = 1;";
$result = mysqli_query($conn, $sql);

// Result
echo " " . $result. " ";

mysqli_close($conn);
?>