<?php
if(!isset($_POST['action']))
{
$file = file("chat.dat");
$logo = trim($file[0]);
$message = trim($file[1]);
echo "<form method=\"post\" action=\"admin.php?".SID."&amp;pass=$pass&amp;ver=html&amp;mod=main_page\">\n";
echo "Адрес логотипа чата:<br/>\n";
echo "<input type=\"text\" name=\"logo\" maxlength=\"200\" value=\"http://$logo\"/><br/>\n";
echo "Сообщение при входе в чат:<br/>\n";
echo "<input type=\"text\" name=\"message\" maxlength=\"100\" value=\"$message\"/><br/>\n";
echo "<input type=\"hidden\" name=\"action\" value=\"save\"/>\n";
echo "<input type=\"submit\" value=\"Сохранить\"/></form></div><br/>\n";
}
else
{
$logo = trim(htmlspecialchars($_POST['logo']));
$logo = str_replace('$', '$$', $logo);
$logo = str_replace('http://', '', $logo);
$message = trim(htmlspecialchars($_POST['message']));
$message = str_replace('$', '$$', $message);
$logo = str_replace("\r\n", "", $logo);
$logo = str_replace("\n", "", $logo);
$message = str_replace("\r\n", "", $message);
$message = str_replace("\n", "", $message);

$file = fopen("chat.dat", "w");
$data = "$logo\n";
$data .= "$message";
fwrite($file, $data);
fclose($file);

echo "Данные успешно сохранены!<br/>\n";
}
?>