View file admin/counter_destroy.php

<?php

include("../config.php");

echo"<div class=\"a\">";
echo"Админка";
echo"</div>";
echo"<p>";
echo"<div class=\"c\">";
echo"Меню<p>";
if($_SERVER['QUERY_STRING'] == "login=$admin&pass=$pass")
{


echo "<B>Счётчик почищен!</B>";

$fp = fopen("../counter.txt", 'a'); 
ftruncate($fp, 0) 




?>

<?
fputs($fp,1);

}
?>