PHP Decode

<?php 
// +------------------------------------------------------------------------+ 
// | @author Deen Doughouz (DoughouzForest) 
// | @author_url 1: http://www.googlescript.com 
// | @author_url 2: http://codecanyon.net/user/doughouzforest 
// | @author_email: [email protected]    
// +------------------------------------------------------------------------+ 
// | PlayTube - The Ultimate Video Sharing Platform 
// | Copyright (c) 2017 PlayTube. All rights reserved. 
// +------------------------------------------------------------------------+ 
 
 
require_once('./assets/init.php'); 
 
$page = 'home'; 
if (isset($_GET['link1'])) { 
    $page = $_GET['link1']; 
} 
 
if (IS_LOGGED == true) { 
    if ($user->last_active < (time() - 60)) { 
        $update = $db->where('id', $user->id)->update('users', array( 
            'last_active' => time() 
        )); 
    } 
}  
 
else if (!empty($_SERVER['HTTP_HOST'])) { 
    $server_scheme = @$_SERVER["HTTPS"]; 
    $pageURL       = ($server_scheme == "on") ? "https://" : "http://"; 
    $http_url      = $pageURL . $_SERVER['HTTP_HOST']; 
    $url           = parse_url($site_url); 
    if (!empty($url)) { 
        if ($url['scheme'] == 'http') { 
            if ($http_url != 'http://' . $url['host']) { 
                header('Location: ' . $site_url); 
                exit(); 
            } 
        } else { 
            if ($http_url != 'https://' . $url['host']) { 
                header('Location: ' . $site_url); 
                exit(); 
            } 
        } 
    } 
} 
 
if (!empty($_GET['v'])) { 
    $video_short_id = PT_Secure($_GET['v']); 
    $get_video = PT_GetVideoByID($video_short_id, 0, 0, 1, 1); 
    if (!empty($get_video)) { 
        header("Location: $get_video->url"); 
        exit(); 
    } 
} 
 
if (file_exists("./sources/$page/content.php")) { 
    include("./sources/$page/content.php"); 
} 
 
if (empty($pt->content)) { 
    include("./sources/404/content.php"); 
} 
 
$side_header = 'not-logged'; 
 
if (IS_LOGGED == true) { 
    $side_header = 'loggedin'; 
} 
 
$announcement_html = ''; 
$footer            = ''; 
 
if ($pt->page != 'login') { 
    $langs__footer = $langs; 
    $langs_html    = ''; 
    foreach ($langs__footer as $key => $language) { 
        $lang_explode = explode('.', $language); 
        $language     = $lang_explode[0]; 
        $language_    = ucfirst($language); 
        $langs_html .= '<li><a href="?lang=' . $language . '" rel="nofollow">' . $language_ . '</a></li>'; 
    } 
    $footer = PT_LoadPage('footer/content', array( 
        'DATE' => date('Y'), 
        'LANGS' => $langs_html 
    )); 
} 
 
$og_meta = ''; 
if ($pt->page == 'watch') { 
    $og_meta = PT_LoadPage('watch/og-meta', array( 
        'TITLE' => $pt->title, 
        'DESC' => mb_substr($pt->description, 0, 400, "UTF-8"), 
        'THUMB' => str_replace('mqdefault', 'maxresdefault', $get_video->thumbnail), 
        'URL' => PT_Link('watch/' . PT_Slug($get_video->title, $get_video->video_id)) 
    )); 
} 
 
if ($pt->page == 'read') { 
    $og_meta = PT_LoadPage('watch/og-meta', array( 
        'TITLE' => $pt->title, 
        'DESC' => mb_substr($pt->description, 0, 400, "UTF-8"), 
        'THUMB' => PT_GetMedia($article->image), 
        'URL' => PT_Link('articles/read/' . PT_URLSlug($article->title,$article->id)) 
    )); 
} 
 
 
/* Get active Announcements */ 
 
if (IS_LOGGED === true && $pt->page != 'timeline') { 
 
    $announcement          = pt_get_announcments(); 
    if(!empty($announcement)) { 
        $announcement_html =  PT_LoadPage("announcements/content",array( 
            'ANN_ID'       => $announcement->id, 
            'ANN_TEXT'     => PT_Decode($announcement->text), 
        )); 
    } 
} 
 
/* Get active Announcements */ 
 
 
 
$final_content = PT_LoadPage('container', array( 
    'CONTAINER_TITLE' => $pt->title, 
    'CONTAINER_DESC' => $pt->description, 
    'CONTAINER_KEYWORDS' => $pt->keyword, 
    'CONTAINER_CONTENT' => $pt->content, 
    'ANNOUNCEMENT'     => $announcement_html, 
    'IS_LOGGED' => (IS_LOGGED == true) ? 'data-logged="true"' : '', 
    'MAIN_URL' => $pt->actual_link, 
     
    'HEADER_LAYOUT' => PT_LoadPage('header/content', array( 
        'SIDE_HEADER' => PT_LoadPage("header/$side_header"), 
        'SEARCH_KEYWORD' => (!empty($_GET['keyword'])) ? PT_Secure($_GET['keyword']) : '' 
    )), 
    'FOOTER_LAYOUT' => $footer, 
    'OG_METATAGS' => $og_meta, 
    'EXTRA_JS' => PT_LoadPage('extra-js/content'), 
    'MODE' => (($pt->mode == 'night') ? 'checked' : ''), 
 
    'RIGHT_AD' => PT_GetAd('right_side'), 
    'LEFT_AD' => PT_GetAd('left_side'), 
    'FOOTER_AD' => ($pt->page != 'register' && $pt->page != 'login') ? PT_GetAd('footer') : '', 
    'HEADER_AD' => PT_GetAd('header'), 
)); 
 
echo $final_content; 
$db->disconnect(); 
unset($pt); 
?>