Вот остаток кода с подключением.
<?php include 'util/db.php';
if(isset($_GET['search']))
{
$spieler = $_GET['spieler'];
// search in all table columns
// using concat mysql function
$query = "SELECT * FROM `skypvp` WHERE CONCAT(`name`) LIKE '%".$spieler."%'";
$search_result = filterTable($query);
}
else {
$query = "SELECT * FROM `skypvp`";
$search_result = filterTable($query);
}
// function to connect and execute the query
function filterTable($query)
{
$connect = mysqli_connect("XXX", "XXX", "XXX", "XXX");
$filter_Result = mysqli_query($connect, $query);
return $filter_Result;
}
?>