Database hit counter issue

Hello friends,

I am new to php

and have been following a tutorial to build a php mysql hit counter
my code for connect.inc.php

<?php
$conn_error = "could not connect";
$mysql_host= "localhost";
$mysql_user = "root";
$mysql_pass ="";
$mysql_db ="a_database";

$conn = mysqli_connect($mysql_host,$mysql_user,$mysql_pass,$mysql_db);

/*if(!mysqli_connect($mysql_host,$mysql_user,$mysql_pass) && !mysqli_select_db($mysql_db)){
    die($conn_error);
}
*/
if(!$conn){
     die("Connection...

PHP:

Database hit counter issue

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