Will this work with a file other than posting.php?

<?php
//
// phpBB Header
//
define(\'IN_PHPBB\', true);
$phpbb_root_path = \'./\';
include($phpbb_root_path . \'extension.inc\');
include($phpbb_root_path . \'common.\'.$phpEx);
$userdata = session_pagestart($user_ip, PAGE_VIEWONLINE);
init_userprefs($userdata);

if($userdata[\'user_level\'] == USER)
{
   // No users allowed!
   redirect(append_sid(\"index.$phpEx\"));
}

//
// Output page header and load page template
//
$page_title = $lang[\'warnmod_title\'];

//
// Do warnings, Unwarnings & Bans, This crap explains itself.
//
if($HTTP_GET_VARS[\'mode\'] == \'warn\')
{
   $profiledata = get_userdata(intval($HTTP_GET_VARS[POST_USERS_URL]));
   if (!$profiledata)
   {
      message_die(GENERAL_MESSAGE, $lang[\'No_user_id_specified\']);
   }
   if($profiledata[\'user_warnings\'] >= MAGIC_BAN_NUMBER)
   {
      $mode = \'ban\';
   }
   else
   {
      $mode = \'warn\';
   }
}
elseif($HTTP_GET_VARS[\'mode\'] == \'unwarn\')
{
   $profiledata = get_userdata(intval($HTTP_GET_VARS[POST_USERS_URL]));
   if (!$profiledata)
   {
      message_die(GENERAL_MESSAGE, $lang[\'No_user_id_specified\']);
   }
   if(!$profiledata[\'user_warnings\'])
   {
      message_die(GENERAL_MESSAGE, $lang[\'User_has_no_warnings\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\'));
   }
   $mode = \'unwarn\';
}
elseif($HTTP_GET_VARS[\'mode\'] == \'unban\')
{
   $profiledata = get_userdata(intval($HTTP_GET_VARS[POST_USERS_URL]));
   if (!$profiledata)
   {
      message_die(GENERAL_MESSAGE, $lang[\'No_user_id_specified\']);
   }
   $mode = \'unban\';
}
else
{
   // Go away, your not doing anything anyway.
   redirect(append_sid(\"index.$phpEx\"));
}

// Temp fix to prevent banning admins/mods.
if($profiledata[\'user_level\'] != USER)
{
$message = \'You do not have the permission to ban an admin or moderator.\' . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\');
message_die(GENERAL_MESSAGE, $message, $lang[\'warnmod_title\']);
}

//
// Ok, Modes are set now - Lets play with them.
//
if($mode == \'ban\')
{
   $ban_config_rank = intval($board_config[\'warnmod_banrank\']);
   // Ok, Lets make them happy and change the rank... Lazy admins!
   $sql = \"UPDATE \". USERS_TABLE .\" SET user_rank = \'\" . $ban_config_rank . \"\' WHERE user_id = \'\" . $profiledata[\'user_id\'] . \"\'\";
   if( !$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t update user rank\", \"Database Error\", __LINE__, __FILE__, $sql);
   }
   // Change the warnings counter to show they are banned.
   $sql = \"UPDATE \" . USERS_TABLE . \" SET user_warnings = 4 WHERE user_id = \" . $profiledata[\'user_id\'];
   if (!$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t update warning count\", \"\", __LINE__, __FILE__, $sql);
   }
   // Lets check the banlist...
   $sql = \"SELECT ban_userid FROM \" . BANLIST_TABLE . \" WHERE ban_userid = \" . $profiledata[\'user_id\'];
   if(! $result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t obtain banlist information\", \"\", __LINE__, __FILE__, $sql);
   }
   if ($db->sql_fetchrowset($result))
   {
      message_die(GENERAL_MESSAGE, $lang[\'User_already_banned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\'));
   }
   // Lets ban this little devil.
   $sql = \"INSERT INTO \" . BANLIST_TABLE . \" (ban_userid) VALUES (\" . $profiledata[\'user_id\'] . \")\";
   if (!$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t insert ban_userid info into database\", \"\", __LINE__, __FILE__, $sql);
   }
   // Tell them the good news!
   $message = $lang[\'User_successfully_banned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\');
   message_die(GENERAL_MESSAGE, $message, $lang[\'warnmod_title\']);
}
elseif($mode == \'unban\')
{
   // This has to be a rare thing...
   $unban_config_rank = intval($board_config[\'warnmod_unbanrank\']);
   // Ok, Lets make them happy and change the rank... Lazy admins!
   $sql = \"UPDATE \". USERS_TABLE .\" SET user_rank = \'\" . $unban_config_rank . \"\' WHERE user_id = \'\" . $profiledata[\'user_id\'] . \"\'\";
   if( !$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t update user rank\", \"Database Error\", __LINE__, __FILE__, $sql);
   }
   // Change the warnings counter to show they are unbanned.
   $sql = \"UPDATE \" . USERS_TABLE . \" SET user_warnings = 0 WHERE user_id = \" . $profiledata[\'user_id\'];
   if (!$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t update warning count\", \"\", __LINE__, __FILE__, $sql);
   }
   // Lets check the banlist...
   $sql = \"SELECT ban_userid FROM \" . BANLIST_TABLE . \" WHERE ban_userid = \" . $profiledata[\'user_id\'];
   if(! $result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t obtain banlist information\", \"\", __LINE__, __FILE__, $sql);
   }
   if (!$db->sql_fetchrowset($result))
   {
      message_die(GENERAL_MESSAGE, $lang[\'User_not_banned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\'));
   }
   // Lets unban this little bundle of joy.
   $sql = \"DELETE FROM \" . BANLIST_TABLE . \" WHERE ban_userid = \" . $profiledata[\'user_id\'] . \" LIMIT 1\";
   if (!$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t insert ban_userid info into database\", \"\", __LINE__, __FILE__, $sql);
   }
   // Tell them the good news!
   $message = $lang[\'User_successfully_unbanned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\');
   message_die(GENERAL_MESSAGE, $message, $lang[\'warnmod_title\']);

}
elseif($mode == \'unwarn\')
{
   // Hmm, Looks like somebody has been good today
   $newWarnlevel = intval($profiledata[\'user_warnings\']);
   $newWarnlevel--;
   $sql = \"UPDATE \" . USERS_TABLE . \" SET user_warnings = $newWarnlevel WHERE user_id = \" . $profiledata[\'user_id\'];
   if (!$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t update warning count\", \"\", __LINE__, __FILE__, $sql);
   }
   $message = $lang[\'User_successfully_unwarned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\');
   message_die(GENERAL_MESSAGE, $message, $lang[\'warnmod_title\']);
}
elseif($mode == \'warn\')
{
   // Whats the point of warning a banned user...
   $sql = \"SELECT ban_userid FROM \" . BANLIST_TABLE . \" WHERE ban_userid = \" . $profiledata[\'user_id\'];
   if(! $result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t obtain banlist information\", \"\", __LINE__, __FILE__, $sql);
   }
   if ($db->sql_fetchrowset($result))
   {
      message_die(GENERAL_MESSAGE, $lang[\'User_already_banned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\'));
   }
   // Oh noes! Somebody did something wrong!
   $newWarnlevel = intval($profiledata[\'user_warnings\']);
   $newWarnlevel++;
   $sql = \"UPDATE \" . USERS_TABLE . \" SET user_warnings = $newWarnlevel WHERE user_id = \" . $profiledata[\'user_id\'];
   if (!$result = $db->sql_query($sql) )
   {
      message_die(GENERAL_ERROR, \"Couldn\'t update warning count\", \"\", __LINE__, __FILE__, $sql);
   }
   $message = $lang[\'User_successfully_warned_warnmod\'] . \'<br /><br />\' . sprintf($lang[\'Click_return_index\'], \'<a href=\"\' . append_sid(\"index.$phpEx\") . \'\">\', \'</a>\');
   message_die(GENERAL_MESSAGE, $message, $lang[\'warnmod_title\']);
}
else
{
   // Hmm, what the heck did i do wrong to make it do this?
   redirect(append_sid(\"index.$phpEx\"));
}

//
// Output page and footer
//

include($phpbb_root_path . \'includes/page_tail.\'.$phpEx);

?>