DB connect

<?php
    $dsn='mysql:host=127.0.0.1;dbname=test_db';
    $user='root';
    $pass='pass';
    $option=array(
    PDO::MYSQL_ATTR_INIT_COMMAND=>'SET NAMES UTf8',
    );
    
try{
     $con= new PDO($dsn ,$user,$pass, $option);
     $con->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
     echo "YOU are connected";
   }

catch(PDOException $e){
    echo "filed to conect ". $e->getMessage();
}