I cant test it because I'm not using your forum theme, but this should work now:
<?php
/********************************************************************************
*
* Chrome Extension Plugin (/inc/plugins/ChromeExtension.php)
* Author: Technologx
* Copyright: © 2015 Technologx
*
* Website: http://technologx.fulba.com
* License: license.txt
* Any codes in this plugin are copyrighted and not allowed to be reproduced.
*
* Allows you to add a Chrome Extension Link on your website.
*
********************************************************************************/
if(!defined("IN_MYBB"))
die("This file cannot be accessed directly.");
// add hooks
$plugins->add_hook("global_start", "ChromeExtension_run");
function ChromeExtension_info()
{
return array(
"name" => "Chrome Extension",
"description" => "Allows you to add a Chrome Extension Link on your website.",
"website" => "http://technologx.fulba.com",
"author" => "Technologx",
"authorsite" => "http://technologx.fulba.com",
"version" => "1.0",
"guid" => "",
"compatibility" => "*"
);
}
function ChromeExtension_activate()
{
global $db;
$insertarray = array(
'name' => 'ChromeExtension',
'title' => 'Chrome Extension',
'description' => "Settings for Chrome Extension",
'disporder' => 1,
'isdefault' => 0
);
$gid = $db->insert_query("settinggroups", $insertarray);
// add settings
$furl = array(
"sid" => NULL,
"name" => "ChromeExtensionURL",
"title" => "URL",
"description" => "Enter the Chrome Extension URL here.",
"optionscode" => "text",
"value" => "",
"disporder" => 1,
"gid" => intval($gid)
);
$db->insert_query("settings", $furl);
rebuild_settings();
require_once MYBB_ROOT."inc/adminfunctions_templates.php";
find_replace_templatesets("header", "#".preg_quote('{$pending_joinrequests}')."#i", "{\$pending_joinrequests}{\$cextension}");
}
function ChromeExtension_deactivate()
{
global $db;
require_once MYBB_ROOT."/inc/adminfunctions_templates.php";
find_replace_templatesets("header", "#".preg_quote('{$cextension}')."#i", '', 0);
$db->delete_query('settings', "name IN ('ChromeExtensionURL')");
$db->delete_query('settinggroups', "name = 'ChromeExtension'");
rebuild_settings();
}
function ChromeExtension_run()
{
global $mybb, $templates, $cextension;
$cextension = '';
if(!empty($mybb->settings['ChromeExtensionURL']))
{
$cextension = '<br /><div align="center"><a href="'.$mybb->settings['ChromeExtensionURL'].'" target="_blank"><img src="'.$mybb->settings['bburl'].'/images/chrome.png" alt="chrome.png" /></a></div><br />';
}
}