session_begin();
$auth->acl($user->data);
$user->setup();
$echos = 0;
$replace = array(
	' sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
	$new_content = str_replace($replace, $with, $row['user_sig']);
	if ($new_content != $row['user_sig'])
	{
		$sql = 'UPDATE ' . USERS_TABLE . " SET user_sig = '" . $db->sql_escape($new_content) . "'
			WHERE user_id = " . $row['user_id'];
		$db->sql_query($sql);
		if ($echos > 200)
		{
			echo '
sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
	$new_content = str_replace($replace, $with, $row['user_sig']);
	if ($new_content != $row['user_sig'])
	{
		$sql = 'UPDATE ' . USERS_TABLE . " SET user_sig = '" . $db->sql_escape($new_content) . "'
			WHERE user_id = " . $row['user_id'];
		$db->sql_query($sql);
		if ($echos > 200)
		{
			echo '
' . "\n";
			$echos = 0;
		}
		echo '.';
		$echos++;
		flush();
	}
}
$db->sql_freeresult($result);
// Now adjust posts
$sql = 'SELECT post_id, post_text
	FROM ' . POSTS_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
	$new_content = str_replace($replace, $with, $row['post_text']);
	if ($row['post_text'] != $new_content)
	{
		$sql = 'UPDATE ' . POSTS_TABLE . " SET post_text = '" . $db->sql_escape($new_content) . "'
			WHERE post_id = " . $row['post_id'];
		$db->sql_query($sql);
		if ($echos > 200)
		{
			echo '
' . "\n";
			$echos = 0;
		}
		echo '.';
		$echos++;
		flush();
	}
}
$db->sql_freeresult($result);
// Now to the private messages
$sql = 'SELECT msg_id, message_text
	FROM ' . PRIVMSGS_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
	$new_content = str_replace($replace, $with, $row['message_text']);
	if ($row['message_text'] != $new_content)
	{
		$sql = 'UPDATE ' . PRIVMSGS_TABLE . " SET bbcode_bitfield = '" . $db->sql_escape($new_content) . "'
			WHERE msg_id = " . $row['msg_id'];
		$db->sql_query($sql);
		if ($echos > 200)
		{
			echo '
' . "\n";
			$echos = 0;
		}
		echo '.';
		$echos++;
		flush();
	}
}
$db->sql_freeresult($result);
// Done
$db->sql_close();