<?php
$servername = "mysql.hostinger.in";
$username = "u597027154_root";
$password = "vTf6p6438KEKt";

try {
    $conn = new PDO("mysql:host=$servername;dbname=u597027154_skg", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    echo "Connected successfully";
    }
catch(PDOException $e)
    {
    echo "Connection failed: " . $e->getMessage();
    }
?>

Warning: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: No such host is known. in C:xampphtdocsSitesmysqlindex.php on line 8
Connection failed: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: No such host is known.