Просмотр файла fnc/book/bookst.php

<?php
include"../../sys/fnc.php";
$res=$db->query("select * from `book`");
$bookst=$res->num_rows;
if($_SESSION['bookst'] != $bookst){echo'1'; unset($_SESSION['bookst']); $_SESSION['bookst']=$bookst;}else{echo'0';}
$res->close();
?>