".print_r($params, 1));
    extract($params);
    $fnparams = $params;
    if (!isset($id) || $id == "") return;
    if (!isset($items_per_page)) $items_per_page = 10;
    if (!isset($template)) $template = 'link-template-calltoaction3.php';
    if (!isset($cols)) $cols = 1;
    if (!isset($colspad)) $colspad = 1;
    if (!isset($colsphone)) $colsphone = 1;
    if (!isset($toolbar)) $toolbar = 1;
    $taxo = 'wpdmcategory';
    if (isset($tag) && $tag == 1) $taxo = 'post_tag';
    $cwd_class = "col-md-" . (int)(12 / $cols);
    $cwdsm_class = "col-sm-" . (int)(12 / $colspad);
    $cwdxs_class = "col-xs-" . (int)(12 / $colsphone);

    $id = trim($id, ", ");
    $cids = explode(",", $id);

    global $wpdb, $current_user, $post, $wp_query;

    $order_field = isset($order_field) ? $order_field : 'date';
    $order_field = isset($_GET['orderby']) ? esc_attr($_GET['orderby']) : $order_field;
    $order = isset($order) ? $order : 'desc';
    $order = isset($_GET['order']) ? esc_attr($_GET['order']) : $order;
    $operator = isset($operator) ? $operator : 'IN';
    $cpvar = 'cp_' . $cids[0];
    $cp = wpdm_query_var($cpvar, 'num');
    if (!$cp) $cp = 1;

    $params = array(
        'post_type' => 'wpdmpro',
        'paged' => $cp,
        'posts_per_page' => $items_per_page,
        'include_children' => false,
        'tax_query' => array(array(
            'taxonomy' => $taxo,
            'field' => 'slug',
            'terms' => $cids,
            'operator' => $operator
        ))
    );

    if (get_option('_wpdm_hide_all', 0) == 1) {
        $params['meta_query'] = array(
            array(
                'key' => '__wpdm_access',
                'value' => 'guest',
                'compare' => 'LIKE'
            )
        );
        if (is_user_logged_in()) {
            global $current_user;
            $params['meta_query'][] = array(
                'key' => '__wpdm_access',
                'value' => $current_user->roles[0],
                'compare' => 'LIKE'
            );
            $params['meta_query']['relation'] = 'OR';
        }
    }

    $params['orderby'] = $order_field;
    $params['order'] = $order;
    $params = apply_filters("wpdm_embed_category_query_params", $params);
    $packs = new WP_Query($params);

    $total = $packs->found_posts;
    $pages = ceil($total / $items_per_page);
    $page = isset($_GET[$cpvar]) ? (int)$_GET[$cpvar] : 1;
    $start = ($page - 1) * $items_per_page;

    if (!isset($paging) || $paging == 1) {
        $pag = new \WPDM\libs\Pagination();
        $pag->items($total);
        $pag->nextLabel(' ► ');
        $pag->prevLabel(' ◄ ');
        $pag->limit($items_per_page);
        $pag->currentPage($page);
    }

    $burl = get_permalink();
    $url = $_SERVER['REQUEST_URI']; //get_permalink();
    $url = strpos($url, '?') ? $url . '&' : $url . '?';
    $url = preg_replace("/[\&]*{$cpvar}=[0-9]+[\&]*/", "", $url);
    $url = strpos($url, '?') ? $url . '&' : $url . '?';
    if (!isset($paging) || $paging == 1)
        $pag->urlTemplate($url . "$cpvar=[%PAGENO%]");


    $html = '';
    $templates = maybe_unserialize(get_option("_fm_link_templates", true));

    if (isset($templates[$template])) $template = $templates[$template]['content'];

    global $post;
    while ($packs->have_posts()) {
        $packs->the_post();

        $pack = (array)$post;
        $repeater = "
" . FetchTemplate($template, $pack) . "
";
        $html .= $repeater;

    }
    wp_reset_query();

    $html = "
{$html}
";
    $cname = array();
    foreach ($cids as $cid) {
        $cat = get_term_by('slug', $cid, $taxo);
        $cname[] = $cat->name;

    }
    $cats = implode(", ", $cname);

    //Added from v4.2.1
    $desc = '';
    $trm = get_term_by('slug', $cids[0], 'wpdmcategory');

    if (isset($fnparams['title']) && $fnparams['title'] != false && intval($fnparams['title']) != 1) $cats = $fnparams['title'];
    if (isset($fnparams['desc']) && $fnparams['desc'] != false && intval($fnparams['desc']) != 1) $desc = $fnparams['desc'];
    if (isset($fnparams['desc']) && (int)$fnparams['desc'] == 1) $desc = $trm->description;


    $cimg = '';


    $subcats = '';
    if (function_exists('wpdm_ap_categories') && $subcats == 1) {
        $schtml = wpdm_ap_categories(array('parent' => $id));
        if ($schtml != '') {
            $subcats = "
" . __('Sub-Categories', 'download-manager') . "
" . $schtml . "
" . "
" . __('Downloads', 'download-manager') . "
";
            $efs = '
';
        }
    }

    if (!isset($paging) || $paging == 1)
        $pgn = "
" . $pag->show() . "
";
    else
        $pgn = "";
    global $post;

    $sap = get_option('permalink_structure') ? '?' : '&';
    $burl = $burl . $sap;
    if (isset($_GET['p']) && $_GET['p'] != '') $burl .= 'p=' . esc_attr($_GET['p']) . '&';
    if (isset($_GET['src']) && $_GET['src'] != '') $burl .= 'src=' . esc_attr($_GET['src']) . '&';
    $orderby = isset($_GET['orderby']) ? esc_attr($_GET['orderby']) : 'date';
    $order = ucfirst($order);
    $order_field = " " . __(ucwords(str_replace("_", " ", $order_field)), 'download-manager');
    $ttitle = __('Title', 'download-manager');
    $tdls = __('Downloads', 'download-manager');
    $tcdate = __('Publish Date', 'download-manager');
    $tudate = __('Update Date', 'download-manager');
    $tasc = __('Asc', 'download-manager');
    $tdsc = __('Desc', 'download-manager');
    $tsrc = __('Search', 'download-manager');
    $ord = __('Order', 'download-manager');
    $order_by_label = __('Order By', 'download-manager');
    $hasdesc = $desc != '' ? 'has-desc' : '';
    if ($toolbar || get_option('__wpdm_cat_tb') == 1) {
        if ($toolbar != 'skinny') {
            $icon = \WPDM\libs\CategoryHandler::icon($trm->term_id);
            $iconw = $desc != '' ? 64 : 32;
            if ($icon != '') $icon = "
";
            $toolbar = <<
                   

                   
                    
                   $icon
                   

                   
$cats
                   $desc
                   
                   
                   
                   

                   
                   
{$ord}  {$tasc}{$tdsc}
                         
                   
{$order_by_label}  {$ttitle}{$tcdate}
                         
                    
                   
                   
TBR;
        } else {
            $toolbar = <<     
                                  
$cats
                               

                                 
{$ord}  {$tasc}{$tdsc}
                         
                                 
{$order_by_label}  {$ttitle}{$tcdate}
                                                               
                               
                   
                   
                    
                  
TBR;
        }
    } else
        $toolbar = '';
    return "
" . $toolbar . $cimg . $subcats . $html . $pgn . "
";
}


/**
 * @param $file
 * @return array|mixed
 */
function wpdm_basename($file)
{
    if (strpos("~" . $file, "\\"))
        $basename = explode("\\", $file);
    else
        $basename = explode("/", $file);
    $basename = end($basename);
    return $basename;
}


/**
 * @usage Generate thumbnail dynamically
 * @param $path
 * @param $size
 * @return mixed
 */

function wpdm_dynamic_thumb($path, $size)
{
    return \WPDM\libs\FileSystem::imageThumbnail($path, $size[0], $size[1]);
}


/**
 * @usage Return Post Thumbail
 * @param string $size
 * @param bool $echo
 * @param null $extra
 * @return mixed|string|void
 */
function wpdm_post_thumb($size = '', $echo = true, $extra = null)
{
    global $post;
    $size = $size ? $size : 'thumbnail';
    $class = isset($extra['class']) ? $extra['class'] : '';
    $alt = $post->post_title;
    if (is_array($size)) {
        $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
        $large_image_url = $large_image_url[0];
        if ($large_image_url != '') {
            $path = str_replace(site_url('/'), ABSPATH, $large_image_url);
            $thumb = wpdm_dynamic_thumb($path, $size);
            $thumb = str_replace(ABSPATH, site_url('/'), $thumb);
            $alt = get_post_meta(get_post_thumbnail_id($post->ID), '_wp_attachment_image_alt', true);
            $img = "";
            if ($echo) {
                echo $img;
                return;
            } else
                return $img;
        }
    }
    if ($echo && has_post_thumbnail($post->ID))
        echo get_the_post_thumbnail($post->ID, $size, $extra);
    else if (!$echo && has_post_thumbnail($post->ID))
        return get_the_post_thumbnail($post->ID, $size, $extra);
    else if ($echo)
        echo "";
    else
        return "";
}

/**
 * @usage Generate Thumnail for the given package
 * @param $post
 * @param string $size
 * @param bool $echo
 * @param null $extra
 * @return mixed|string|void
 */
function wpdm_thumb($post, $size = '', $echo = true, $extra = null)
{
    if (is_int($post))
        $post = get_post($post);
    $size = $size ? $size : 'thumbnail';
    $class = isset($extra['class']) ? $extra['class'] : '';
    $alt = $post->post_title;
    if (is_array($size)) {
        $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
        $large_image_url = $large_image_url[0];
        if ($large_image_url != '') {
            $path = str_replace(site_url('/'), ABSPATH, $large_image_url);
            $thumb = wpdm_dynamic_thumb($path, $size);
            $thumb = str_replace(ABSPATH, site_url('/'), $thumb);
            $alt = get_post_meta(get_post_thumbnail_id($post->ID), '_wp_attachment_image_alt', true);
            if ($echo === 'url') return $thumb;
            $img = "";
            if ($echo) {
                echo $img;
                return;
            } else
                return $img;
        }
    }
    if ($echo && has_post_thumbnail($post->ID))
        echo get_the_post_thumbnail($post->ID, $size, $extra);
    else if (!$echo && has_post_thumbnail($post->ID))
        return get_the_post_thumbnail($post->ID, $size, $extra);
    else if ($echo)
        echo "";
    else
        return "";
}

/**
 * @usage Genrate option fields
 * @param $data
 * @return mixed|string
 */
function wpdm_option_field($data)
{

    $desc = isset($data['description']) ? "{$data['description']}" : "";

    switch ($data['type']):
        case 'text':
            return "$desc";
            break;
        case 'select':
        case 'dropdown':
            $html = "";
            foreach ($data['options'] as $value => $label) {

                $html .= "$label";
            }
            $html .= "";
            return $html . $desc;
            break;
        case 'notice':
            return "
$data[notice]
" . $desc;
        case 'textarea':
            return "$data[value]$desc";
            break;
        case 'checkbox':
            return "" . $desc;
            break;
        case 'callback':
            return call_user_func($data['dom_callback'], $data['dom_callback_params']) . $desc;
            break;
        case 'heading':
            return "
" . $data['label'] . "
";
            break;
    endswitch;
}

/**
 * @param $options
 * @return string
 */
function wpdm_option_page($options)
{
    $html = "
";
    foreach ($options as $id => $option) {
        if (in_array($option['type'], array('checkbox', 'radio')))
            $html .= "
" . wpdm_option_field($option) . " {$option['label']}
";
        else if ($option['type'] == 'heading')
            $html .= "
{$option['label']}
";
        else
            $html .= "
{$option['label']}" . wpdm_option_field($option) . "
";
    }
    $html .= "
";
    return $html;
}


/**
 * @param $name
 * @param $options
 * @return string
 */
function wpdm_settings_section($name, $options)
{
    return "
{$name}
" . wpdm_option_page($options) . "
";
}


/**
 * @usage Get All Custom Data of a Package
 * @param $pid
 * @return array
 */
function wpdm_custom_data($pid)
{
    return \WPDM\Package::metaData($pid);
}

/**
 * @usage Organize package data using all available variable
 * @param $vars
 * @return mixed
 */
function wpdm_setup_package_data($vars)
{
    if (isset($vars['formatted'])) return $vars;
    if (!isset($vars['ID'])) return $vars;
    $pack = new \WPDM\Package($vars['ID']);
    $pack->Prepare();
    return $pack->PackageData;
}

/**
 * @usage Check if a package is locked or public
 * @param $id
 * @return bool
 */
function wpdm_is_locked($id)
{

    return \WPDM\Package::isLocked($id);

}


/**
 * @usage Fetch link/page template and return generated html
 * @param $template
 * @param $vars
 * @param string $type
 * @return mixed|string|void
 */
function FetchTemplate($template, $vars, $type = 'link')
{
    return \WPDM\Package::FetchTemplate($template, $vars, $type);
}

/**
 * @usage Fetch link/page template and return generated html
 * @param $template
 * @param $vars
 * @param string $type
 * @return mixed|string|void
 */
function wpdm_fetch_template($template, $vars, $type = 'link')
{
    return \WPDM\Package::fetchTemplate($template, $vars, $type);
}


/**
 * @usage Callback function for [wpdm_login_form] short-code
 * @return string
 */
function wpdm_loginform()
{
    return wpdm_login_form(array('redirect' => $_SERVER['REQUEST_URI']));
}


/**
 * @return bool
 */
function wpdm_is_ajax()
{
    if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest')
        return true;
    return false;
}


/**
 * @usage Get Package Data By Package ID
 * @param $ID
 * @return bool|mixed|null|void|WP_Post
 */
function wpdm_get_package($ID)
{
    return \WPDM\Package::Get($ID);
}

/**
 * @usage Get download manager package data
 * @param $ID
 * @param $meta
 * @return mixed
 */
function get_package_data($ID, $key)
{
    return \WPDM\Package::Get($ID, $key);
}


/**
 * @usage Validate individual file password
 */
function wpdm_check_invpass()
{
    if (isset($_POST['actioninddlpvr']) && $_POST['actioninddlpvr'] != '') {
        $fileid = intval($_POST['wpdmfileid']);
        $data = get_post_meta($_POST['wpdmfileid'], '__wpdm_fileinfo', true);
        $data = $data ? $data : array();
        $package = get_post($fileid);
        $packagemeta = wpdm_custom_data($fileid);
        $password = $data[$_POST['wpdmfile']]['password'] != "" ? $data[$_POST['wpdmfile']]['password'] : $packagemeta['password'];
        if ($password == $_POST['actioninddlpvr'] || strpos($password, "[" . $_POST['actioninddlpvr'] . "]") !== FALSE) {
            $id = uniqid();
            update_post_meta($fileid, "__wpdmkey_" . $id, 8);
            die("|ok|$id|");
        } else
            die('|error|');
    }
}

/**
 * @usage Password generator
 */
function wpdm_generate_password()
{
    if (!current_user_can('manage_options') || !wpdm_is_ajax()) die();
    include(wpdm_tpl_path('wpdm-generate-password.php'));
    die();

}

/**
 * @usage Quote all elements in an array
 * @param $values
 * @return mixed
 */
function quote_all_array($values)
{
    foreach ($values as $key => $value)
        if (is_array($value))
            $values[$key] = quote_all_array($value);
        else
            $values[$key] = quote_it($value);
    return $values;
}

/**
 * @usage Quoate a value
 * @param $value
 * @return array|string
 */
function quote_it($value)
{
    if (is_null($value))
        return "NULL";

    $value = esc_sql($value);
    return $value;
}

function wpdm_view_countplus()
{
    if (isset($_REQUEST['_nonce']) && wp_verify_nonce($_REQUEST['_nonce'], "__wpdm_view_count")) {

        $id = intval($_REQUEST['id']);
        $views = (int)get_post_meta($id, '__wpdm_view_count', true);
        update_post_meta($id, '__wpdm_view_count', $views + 1);
        echo $views + 1;
        die();

    }
}


function wpdm_array_splice_assoc(&$input, $offset, $length, $replacement)
{
    $replacement = (array)$replacement;
    $key_indices = array_flip(array_keys($input));
    if (isset($input[$offset]) && is_string($offset)) {
        $offset = $key_indices[$offset];
    }
    if (isset($input[$length]) && is_string($length)) {
        $length = $key_indices[$length] - $offset;
    }

    $input = array_slice($input, 0, $offset, TRUE)
        + $replacement
        + array_slice($input, $offset + $length, NULL, TRUE);
}

/**
 * Added from v4.1.1
 * WPDM add-on installer
 */
function wpdm_install_addon()
{
    if (isset($_REQUEST['addon']) && current_user_can('manage_options') && wp_verify_nonce($_REQUEST['__wpdmpinn'], $_REQUEST['addon'] . NONCE_KEY)) {
        include_once(ABSPATH . 'wp-admin/includes/plugin.php');
        include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
        include_once ABSPATH . 'wp-admin/includes/plugin-install.php';
        $upgrader = new Plugin_Upgrader(new Plugin_Installer_Skin(compact('title', 'url', 'nonce', 'plugin', 'api')));
        $plugin_dir = isset($_REQUEST['dirname']) ? esc_attr($_REQUEST['dirname']) : false;
        if ($plugin_dir) {
            $plugin_data = wpdm_plugin_data($plugin_dir);
            $plugin_file = $plugin_data ? $plugin_data['plugin_index_file'] : false;
            if ($plugin_file) {
                if (is_plugin_active($plugin_file)) {
                    deactivate_plugins($plugin_file);
                }
                delete_plugins(array($plugin_file));
            }
        }
        $downloadlink = 'https://www.wpdownloadmanager.com/?wpdmdl=' . (int)$_REQUEST['addon'];
        $upgrader->install($downloadlink);
        die();
    } else {
        die("Only site admin is authorized to install add-on");
    }
}

/**
 * @usage Active premium package add-on / shopping cart
 */
function wpdm_activate_shop()
{
    if (current_user_can(WPDM_ADMIN_CAP)) {
        include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
        include_once ABSPATH . 'wp-admin/includes/plugin-install.php';
        $upgrader = new Plugin_Upgrader(new Plugin_Installer_Skin(compact('title', 'url', 'nonce', 'plugin', 'api')));
        $downloadlink = 'https://www.wpdownloadmanager.com/?wpdmdl=15671';
        ob_start();
        echo "
";
        if (file_exists(dirname(dirname(__FILE__)) . '/wpdm-premium-packages/'))
            $upgrader->upgrade($downloadlink);
        else
            $upgrader->install($downloadlink);
        echo '
';
        $data = ob_get_clean();
        if (file_exists(dirname(WPDM_BASE_DIR) . '/wpdm-premium-packages/wpdm-premium-packages.php')) {
            activate_plugin('wpdm-premium-packages/wpdm-premium-packages.php');
            echo "Congratulation! Your Digital Store is Activated. Refresh The Page!";
        } else
            echo "Automatic Installation Failed! Please Download and install manually";
        die();
    } else {
        die("Only site admin is authorized to install add-on");
    }
}


/**
 * @param $pid
 * @param $w
 * @param $h
 * @param bool $echo
 * @return string
 * @usage Generates thumbnail html from PDF file attached with a Package. [ From v4.1.3 ]
 */
function wpdm_pdf_preview($pid, $w, $h, $echo = true)
{

    $post = get_post($pid);
    $files = get_post_meta($pid, '__wpdm_files', true);
    $pdf = $files[0];
    $ext = explode(".", $pdf);
    $ext = end($ext);

    $thumb = wp_get_attachment_image_src(get_post_thumbnail_id($pid), 'full');
    $preview = $thumb['0'];

    if ($ext == 'pdf')
        $pdf_thumb = wpdm_pdf_thumbnail($pdf, $pid);
    else $pdf_thumb = $preview;

    $imsrc = wpdm_dynamic_thumb($pdf_thumb, array($w, $h));

    if (!$echo)
        return "";

    echo "";

}

/**
 * @param $pdf
 * @param $id
 * @return string
 * @usage Generates thumbnail from PDF file. [ From v4.1.3 ]
 */
function wpdm_pdf_thumbnail($pdf, $id)
{
    return \WPDM\libs\FileSystem::pdfThumbnail($pdf, $id);
}


function wpdm_media_field($data)
{
    ob_start();
    $attrs = '';
    if (isset($data['attrs'])) {
        foreach ($data['attrs'] as $attr => $value) {
            $attrs .= "$attr='$value' ";
        }
    }
    ?>
    

         type="url"
               name=""
               id="" class="form-control"
               value=""/>
        
                        
                    
    
     $value) {
            $attrs .= "$attr='$value' ";
        }
    }
    $id = uniqid();
    ?>
    

        

            
        
        

            
             
            
        
    
     $value) {
            $attrs .= "$attr='$value' ";
        }
    }
    $id = uniqid();
    ?>
    

        

            

                
            
            

                

                
                

                    

                    

                        UPLOADING... 0%
                    
                

                 'html5,silverlight,flash,html4',
                    'browse_button' => 'wpdm-browse-button',
                    'container' => 'wpdm-upload-ui',
                    'drop_element' => 'wpdm-drag-drop-area',
                    'file_data_name' => 'wpdm_file',
                    'multiple_queues' => false,
                    'url' => admin_url('admin-ajax.php'),
                    'flash_swf_url' => includes_url('js/plupload/plupload.flash.swf'),
                    'silverlight_xap_url' => includes_url('js/plupload/plupload.silverlight.xap'),
                    'filters' => array(array('title' => __('Allowed Files'), 'extensions' => 'png,jpg,jpeg,gif')),
                    'multipart' => true,
                    'urlstream_upload' => true,

                    // additional post data to send to our ajax hook
                    'multipart_params' => array(
                        '_ajax_nonce' => wp_create_nonce(NONCE_KEY),
                        'action' => $data['action'],            // the ajax action name
                    ),
                );

                $plupload_init['max_file_size'] = wp_max_upload_size() . 'b';

                // we should probably not apply this filter, plugins may expect wp's media uploader...
                $plupload_init = apply_filters('plupload_init', $plupload_init); ?>

                
                


                


            
        
    
    query_vars['posts_per_page'])) {
        ?>
        

            

                Download Manager Pro!

                Get
                        Download Manager Pro Version Now! 
                Checkout
                    The Features Here →
            
        
        shortCode->loginForm($params);
}

function wpdm_user_dashboard_url()
{
    $id = get_option('__wpdm_user_dashboard', 0);
    if ($id > 0) {
        $url = get_permalink($id);
    } else $url = home_url('/');
    return $url;
}

function wpdm_registration_url()
{
    $id = get_option('__wpdm_register_url', 0);
    if ($id > 0) {
        $url = get_permalink($id);

    } else $url = wp_registration_url();
    return $url;
}

function wpdm_login_url($redirect = '')
{
    $id = get_option('__wpdm_login_url', 0);
    if ($id > 0) {
        $url = get_permalink($id);
        if ($redirect != '')
            $url .= (strstr($url, '?') ? '&' : '?') . 'redirect_to=' . $redirect;
    } else $url = wp_login_url($redirect);
    return $url;
}

function wpdm_lostpassword_url()
{
    return add_query_arg(array('action' => 'lostpassword'), wpdm_login_url());
}

function wpdm_logout_url($redirect = '')
{
    $logout_url = home_url("/?logout=" . wp_create_nonce(NONCE_KEY));
    return $redirect != '' ? add_query_arg(array('redirect_to' => $redirect), $logout_url) : $logout_url;
}


function wpdm_user_logged_in($msg)
{
    echo $msg;
}


/**
 * @usage Returns download manager template file path
 * @param $file
 * @param string $tpldir
 * @return string
 */
function wpdm_tpl_path1($file, $tpldir = '')
{
    if (file_exists(get_stylesheet_directory() . '/download-manager/' . $file))
        $path = get_stylesheet_directory() . '/download-manager/' . $file;
    else if (file_exists(get_template_directory() . '/download-manager/' . $file))
        $path = get_template_directory() . '/download-manager/' . $file;
    else if ($tpldir != '' && file_exists($tpldir . '/' . $file))
        $path = $tpldir . '/' . $file;
    else if ($tpldir != '' && file_exists(get_template_directory() . '/download-manager/' . $tpldir . '/' . $file))
        $path = get_template_directory() . '/download-manager/' . $tpldir . '/' . $file;
    else $path = WPDM_BASE_DIR . 'tpls/' . $file;

    return $path;

}

/**
 * @usage Returns download manager template file path
 * @param $file
 * @param string $tpldir
 * @return string
 */
function wpdm_tpl_path($file, $tpldir = '', $fallback = '')
{
    if (file_exists(get_stylesheet_directory() . '/download-manager/' . $file))
        $path = get_stylesheet_directory() . '/download-manager/' . $file;
    else if (file_exists(get_template_directory() . '/download-manager/' . $file))
        $path = get_template_directory() . '/download-manager/' . $file;
    else if ($tpldir !== '' && file_exists($tpldir . '/' . $file))
        $path = $tpldir . '/' . $file;
    else if ($tpldir != '' && file_exists(get_template_directory() . '/download-manager/' . $tpldir . '/' . $file))
        $path = get_template_directory() . '/download-manager/' . $tpldir . '/' . $file;
    else $path = WPDM_TPL_DIR . $file;

    /* Fallack template directory*/
    if ($fallback == '') $fallback = WPDM_TPL_FALLBACK;
    if ($fallback !== '' && !file_exists($path))
        $path = $fallback . "/" . $file;

    //if(!file_exists($path))
    //wpdmdd($path);
    return $path;

}

/**
 * @param $ip
 * @param $range
 * @return bool
 */
function wpdm_ip_in_range($ip, $range)
{
    // Check IP range

    list($subnet, $bits) = explode('/', $range);
    if (!$bits || (int)$bits < 1) return false;
    // Convert subnet to binary string of $bits length
    $subnet = unpack('H*', @inet_pton($subnet)); // Subnet in Hex
    foreach ($subnet as $i => $h) $subnet[$i] = base_convert($h, 16, 2); // Array of Binary
    $subnet = substr(implode('', $subnet), 0, $bits); // Subnet in Binary, only network bits

    // Convert remote IP to binary string of $bits length
    $ip = unpack('H*', @inet_pton($ip)); // IP in Hex
    foreach ($ip as $i => $h) $ip[$i] = base_convert($h, 16, 2); // Array of Binary
    $ip = substr(implode('', $ip), 0, $bits); // IP in Binary, only network bits

    // Check network bits match
    if ($subnet == $ip) {
        return true;
    }
    return false;
}

/**
 * @param null $ip
 * @return bool
 */
function wpdm_ip_blocked($ip = null)
{
    $ip = $ip ? $ip : wpdm_get_client_ip();
    $allblocked = get_option('__wpdm_blocked_ips', '');
    $allblocked = explode("\n", str_replace("\r", "", $allblocked));
    $isblocked = false;
    foreach ($allblocked as $blocked) {
        if (strstr($blocked, '/'))
            $isblocked = wpdm_ip_in_range($ip, $blocked);
        else if (strstr($blocked, '*')) {
            preg_match('/' . $blocked . '/', $ip, $matches);
            $isblocked = count($matches) > 0 ? true : false;
        } else if ($ip == $blocked)
            $isblocked = true;

        if ($isblocked == true) return $isblocked;

    }
    return $isblocked;
}

/**
 * @return string or bool
 */
function wpdm_get_client_ip()
{
    $ipaddress = '';
    if (isset($_SERVER['HTTP_CLIENT_IP']))
        $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
    else if (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
        $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if (isset($_SERVER['HTTP_X_FORWARDED']))
        $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
    else if (isset($_SERVER['HTTP_FORWARDED_FOR']))
        $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
    else if (isset($_SERVER['HTTP_FORWARDED']))
        $ipaddress = $_SERVER['HTTP_FORWARDED'];
    else if (isset($_SERVER['REMOTE_ADDR']))
        $ipaddress = $_SERVER['REMOTE_ADDR'];
    else
        $ipaddress = false;
    return $ipaddress;
}

/**
 * @param $ID
 * @param $_key
 * @param bool $execute
 * @return bool|int
 * @since 4.7.4
 */
function is_wpdmkey_valid($ID, $_key, $update = false)
{
    if ($_key == '') return 0; // Invalid

    $key = "__wpdmkey_" . $_key;
    $xlimit = get_post_meta($ID, $key, true);

    if (!$xlimit) return 0; // Invalid

    $xlimit = maybe_unserialize($xlimit);
    if (!is_array($xlimit)) return 0;

    $limit = isset($xlimit['use']) ? $xlimit['use'] : 0;

    $expired = false;

    if ($limit <= 0) {
        delete_post_meta($ID, $key);
        return -1; // Limit exceeded
    } else {

        $limit--;
        $xlimit['use'] = $limit;

        if ($xlimit['expire'] < time()) {
            $xlimit['use'] = $limit = 0;
            $expired = true;
        }
        if ($update)
            update_post_meta($ID, $key, $xlimit);
        if ($expired) return -2; // Time expired
    }
    return 1;
}


function wpdm_is_url($url)
{
    $result = (false !== filter_var($url, FILTER_VALIDATE_URL));
    return apply_filters('wpdm_is_url', $result, $url);
}

/**
 * @param null $uid
 * @return int
 */
function wpdm_total_downloads($uid = null)
{
    global $wpdb;
    if (isset($uid) && $uid > 0)
        $download_count = $wpdb->get_var("select sum(pm.meta_value) from {$wpdb->prefix}postmeta pm, {$wpdb->prefix}posts p where meta_key='__wpdm_download_count' and p.ID = pm.post_id and p.post_author = '{$uid}'");
    else
        $download_count = $wpdb->get_var("select sum(meta_value) from {$wpdb->prefix}postmeta where meta_key='__wpdm_download_count'");
    return (int)$download_count;
}

/**
 * @param null $uid
 * @return mixed
 */
function wpdm_total_views($uid = null)
{
    global $wpdb;
    if (isset($uid) && $uid > 0)
        $download_count = $wpdb->get_var("select sum(pm.meta_value) from {$wpdb->prefix}postmeta pm, {$wpdb->prefix}posts p where meta_key='__wpdm_view_count' and p.ID = pm.post_id and p.post_author = '{$uid}'");
    else
        $download_count = $wpdb->get_var("select sum(meta_value) from {$wpdb->prefix}postmeta where meta_key='__wpdm_view_count'");
    return $download_count;
}

/**
 * @param $total
 * @param $item_per_page
 * @param int $page
 * @param string $var
 * @return string
 */
function wpdm_paginate_links($total, $items_per_page, $current_page = 1, $var = 'cp', $params = array())
{

    $pages = ceil($total / $items_per_page);

    $args = array(
        //'base'               => '%_%',
        'format' => "?{$var}=%#%",
        'total' => $pages,
        'current' => $current_page,
        //'show_all'           => false,
        //'end_size'           => 2,
        //'mid_size'           => 1,
        //'prev_next'          => true,
        'prev_text' => isset($params['prev_text']) ? $params['prev_text'] : __('Previous'),
        'next_text' => isset($params['prev_text']) ? $params['next_text'] : __('Next'),
        'type' => 'array',
        //'add_args'           => false,
        //'add_fragment'       => '',
        //'before_page_number' => '',
        //'after_page_number'  => ''
    );
    //wpdmprecho($args);
    $pags = paginate_links($args);
    //wpdmprecho($pags);
    $phtml = "";
    if (is_array($pags)) {
        foreach ($pags as $pagl) {
            if (isset($params['container'])) {
                $pagl = str_replace("";
    print_r($data);
    echo "