I've created a MySQLi connection
$conn = new mysqli($servername, $username, $password, $dbname);
How do convert this code below to MySQLi
$query = mysql_query("SELECT * FROM `grid` where user_id = $user_id and status=0 ORDER BY id ASC");
$count = mysql_num_rows($query);
if($count > 0) {
while($fetch = mysql_fetch_array($query)) {
$record[] = $fetch;
}
}