<?php 

function server_edit($link, $site, $id, $rate, $chronicles, $subscribe) {

        //подготовка

        $site = trim($site);

        $id = (int)$id;

        $rate = trim($rate);

        $chronicles = trim($chronicles);

        $subscribe = trim($subscribe);

        

        

        //Проверка

        if ($link == '')

            return false;

        //Запрос

        $sql = "UPDATE server SET site='%s', id='%s', rate='%s', chronicles='%s', subscribe='%s' WHERE id='%d'";

        

        $query = sprintf($sql, mysqli_real_escape_string($link, $site), 

                    mysqli_real_escape_string($link, $id) 

                                  mysqli_real_escape_string($link, $rate), 

                                  mysqli_real_escape_string($link, $chronicles),

                                 mysqli_real_escape_string($link, $subscribe), $id);

        

        $result = mysqli_query($link, $query);

        

        if (!result)

            die(mysqli_error($link));

        return mysqli_affected_rows($link);

    }