PHP Decode

<?php 
 
$host = '77.245.159.97'; 
$dbname = 'quberzg2_emlak'; 
$username = 'quberzg2'; 
$password = 'Onurergat*2131'; 
 
$servername = "$host";  
$username = "$username";  
$password = "$password"; 
$database = "$dbname";  
 
$servername = "$host"; 
$username = "$username"; 
$password = "$password"; 
$dbname = "$dbname"; 
 
$conn = new mysqli("$host", "$username", "$password", "$dbname"); 
 
 
$mysqli = new mysqli("$host", "$username", "$password", "$dbname" ); 
$mysqli->set_charset("utf8mb4"); 
 
$hostname = "$host"; 
$username = "$username"; 
$password = "$password"; 
$database = "$dbname"; 
 
 
    $db = new PDO("mysql:host=$servername;dbname=$dbname;charset=utf8", $username, $password); 
 
 
?>