Connect with database

<?php
    function getQuery($database) {
        $dateTime = date('Y-m-d [H:i:s]');

        for ($i = 1; $i <= 10; $i++) {
            $name = "tov" . $i;

            if ($_GET[$name]) {
                $count = $_GET[$name];
                $query = "INSERT INTO things (name, count, date) VALUES ({$i}, {$count}, '{$dateTime}')";
                mysqli_query($database, $query);
            }
        }
    }

    function returnCountForClient($database) {
        $result = "";
        $query = "SELECT name, SUM(count) FROM things GROUP BY name ASC";

        $data = mysqli_fetch_all(
                    mysqli_query($database, $query),
                    MYSQLI_ASSOC
        );

        for  ($i= 0; $ < 10; $i++) {
            $count = $data[$i]['count'];
            $result .= $count;

            if ($i != 9)
                $result .= "~";
        }

        echo $result;
    }

    function runMySql() {
        $database = mysqli_connect(
            "localhost", "root",
            "", "db_name"
        );

        if (mysqli_connect_errno()) {
            echo "Не подключено!", mysqli_connect_errno(), ": ", mysqli_connect_error();
            exit();
        }

        getQuery($database);
        returnCountForCLient($database);
        mysqli_close($database);
    }

    if ($_GET) {
        $has = false;

        for ($i = 0; $i < 10; $i++)
            if ($_GET["tov" . $i]) {
                $has = true;
                break;
            }

        if ($has) {
            runMySql();
        }
    }
?>