/**
     * Front-end display of widget.
     *
     * @see WP_Widget::widget()
     *
     * @param array $args     Widget arguments.
     * @param array $instance Saved values from database.
     */
    public function widget($args, $instance)
    {
        extract($args);
        $title = apply_filters('widget_title', $instance['title']);
        $text = $instance['text'];
        $category_id = !empty($instance['category_id']) ? $instance['category_id'] : '';
        echo $before_widget;
        if (!empty($title)) {
            echo $before_title . $title . $after_title;
        }
        $args = array('category' => $category_id);
        $bookmarks = get_bookmarks($args);
        echo '<div class="widget-content-link">';
        echo '<select onchange="openUrl(this.value)" style="height:35px;">';
        echo '<option value=""> Chọn liên kết </option>';
        foreach ($bookmarks as $bookmark) {
            echo '<option value="', $bookmark->link_url, '">', $bookmark->link_name, '</a><br />';
        }
        echo '</select>';
        echo '</div>';
        echo $after_widget;
        add_action('wp_footer', 'addJs_LinkCombobox_Widget');
        function addJs_LinkCombobox_Widget()
        {
            echo '<script language="javascript">';
            echo 'function openUrl(url){
					if(url.length) window.open(url);
				}
			</script>';
        }
    }

/**
 * Sponsor Functions
 */
function mf_sponsor_carousel($category_name)
{
    // Get all of the sponsor from the links
    $sponsors = get_bookmarks(array('orderby' => 'rating', 'category_name' => $category_name));
    // Split them into chucks of two
    $sponsors = array_chunk($sponsors, 2, true);
    // Get the output started.
    $output = '<div id="myCarousel" class="carousel slide">';
    $output .= '<div class="carousel-inner">';
    // Loop through each block of sponsors
    foreach ($sponsors as $idx => $sponsor) {
        if ($idx == 0) {
            $output .= '<div class="item active">';
        } else {
            $output .= '<div class="item">';
        }
        $output .= '<div class="row-fluid">';
        // Loop through the individual sponsors
        foreach ($sponsor as $spon) {
            $output .= '<div class="span6"><div class="thumb"><a href="' . esc_url($spon->link_url) . '"><img src="' . wpcom_vip_get_resized_remote_image_url($spon->link_image, 125, 105) . '" alt="' . esc_attr($spon->link_name) . '"></a></div></div>';
        }
        $output .= '</div></div>';
    }
    $output .= '</div></div>';
    return $output;
}

 function updates_requested()
 {
     if (isset($_POST['update']) or isset($_POST['action']) or isset($_POST['update_uri'])) {
         // Only do things with side-effects for HTTP POST or command line
         $fwp_update_invoke = 'post';
     } else {
         $fwp_update_invoke = 'get';
     }
     $update_set = array();
     if ($fwp_update_invoke != 'get') {
         if (isset($_POST['link_ids']) and is_array($_POST['link_ids']) and $_POST['action'] == FWP_UPDATE_CHECKED) {
             $targets = get_bookmarks(array('include' => implode(",", $_POST['link_ids'])));
             if (is_array($targets)) {
                 foreach ($targets as $target) {
                     $update_set[] = $target->link_rss;
                 }
             } else {
                 // This should never happen
                 FeedWordPress::critical_bug('fwp_syndication_manage_page::targets', $targets, __LINE__);
             }
         } elseif (isset($_POST['update_uri'])) {
             $targets = $_POST['update_uri'];
             if (!is_array($targets)) {
                 $targets = array($targets);
             }
             $update_set = $targets;
         }
     }
     return $update_set;
 }

function mf_sponsor_list($category_name, $slug = '')
{
    //get the list of links based on faire name
    $sponsors = get_bookmarks(array('orderby' => 'name', 'category_name' => $category_name, 'limit' => 40));
    $slugData = get_term_by('slug', $slug, 'link_category', OBJECT);
    if (is_object($slugData)) {
        $slugCat = get_objects_in_term($slugData->term_id, 'link_category');
    } else {
        $slugCat = array();
    }
    //get the list of links based on sponsor category name
    $slugData = get_term_by('slug', $category_name, 'link_category', OBJECT);
    $sponsorName = get_objects_in_term($slugData->term_id, 'link_category');
    //find the links that are in both the sponsor category and specified faire
    if (!empty($slugCat)) {
        $category = array_intersect($slugCat, $sponsorName);
    } else {
        $category = $sponsorName;
    }
    $include = implode(',', $category);
    $sponsors = array();
    if (!empty($include)) {
        $sponsors = get_bookmarks(array('orderby' => 'name', 'limit' => 40, 'include' => $include));
    }
    // Get the output started.
    $output = '<ul>';
    // Loop through each block of sponsors
    foreach ($sponsors as $idx => $spon) {
        //foreach ($sponsor as $spon) {
        $output .= '<li><a href="' . esc_url($spon->link_url) . '"><img src="' . legacy_get_resized_remote_image_url($spon->link_image, 125, 105) . '" alt=""></a></li>';
        //}
    }
    $output .= '</ul>';
    return $output;
}

 function displayLinks($cat, $class = 'boxesBox', $close = '', $limit = 10)
 {
     //get the links and store it in an array
     $b = get_bookmarks('category=' . $cat . '&orderby=id&order=DESC&limit=' . $limit);
     $html .= '<div class="' . $class . '"><h2 class="blue">Link</h2>';
     $html .= '<div class="boxes BoxesSecond BoxesSecondBrowserFix boxFullWidth">';
     // column left
     $html .= '<ul class="ulLinkLeft">';
     for ($i = 0; $i < 5; $i++) {
         $html .= '<li>';
         $html .= '<a href="' . $b[$i]->link_url . '" title="' . $b[$i]->link_name . '" target="_blank">' . $b[$i]->link_name . '</a>';
         $html .= '</li>';
     }
     $html .= '</ul>';
     $html .= '<ul>';
     //column right
     for ($i = 5; $i < 10; $i++) {
         $html .= '<li>';
         $html .= '<a href="' . $b[$i]->link_url . '" title="' . $b[$i]->link_name . '" target="_blank">' . $b[$i]->link_name . '</a>';
         $html .= '</li>';
     }
     $html .= '</ul>';
     $html .= '<p class="segnala2"><a href="http://dito.areato.org/home/?page_id=124" class="segnala">Tutti i link</a></p>';
     $html .= '</div></div>' . $close;
     echo $html;
 }

 function widget($args, $instance)
 {
     $data['title'] = apply_filters('widget_title', empty($instance['title']) ? __('Links') : $instance['title'], $instance, $this->id_base);
     $category = isset($instance['category']) ? $instance['category'] : false;
     // load bookmarks
     $data['links'] = get_bookmarks(array('orderby' => 'name', 'order' => 'ASC', 'category_name' => $category));
     $this->display($instance, $data);
 }

    /** @see WP_Widget::widget */
    function widget($args, $instance)
    {
        extract($args);
        $title = apply_filters('widget_title', $instance['title']);
        $link = apply_filters('widget_link', $instance['link']);
        //Operation with TITLE and LINK
        if ('' . $link == '') {
            $link = "#";
            $target = "_self";
        } else {
            $target = "_blank";
        }
        if ('' . $title == '') {
            $html_title = "";
        } else {
            $first = substr($title, 0, 1);
            $other = substr($title, 1);
            $html_title = '<div class="widget_title">';
            $html_title .= '<a href="' . $link . '" target="' . $target . '">';
            $html_title .= $before_title;
            $html_title .= '<span class="widget_title_first">' . $first . '</span>';
            $html_title .= $other;
            $html_title .= $after_title;
            $html_title .= "</a>";
            $html_title .= "</div>";
            $html_title .= '<div class="widget_sep"></div>';
        }
        $args = array('category_name' => "blogroll", 'hide_invisible' => 1, 'show_updated' => 0, 'echo' => 1, 'categorize' => 0, 'category_orderby' => 'name', 'category_order' => 'ASC', 'class' => '');
        ?>

			<?php 
        echo $before_widget;
        ?>

            <div class="widget">

                <?php 
        echo $html_title;
        ?>

                <div class="widget_content blogroll_list">
                	<?php 
        $global = get_bookmarks($args);
        foreach ($global as $bm) {
            $html = "<div class='blogroll_el'> - <a href='" . $bm->link_url . "' target='" . $bm->link_target . "'>" . $bm->link_name . "</a></div>";
            print $html;
        }
        ?>
                </div>
            </div>

			<?php 
        echo $after_widget;
        ?>
		<?php 
    }

function acegiak_atlink_content($content)
{
    return preg_replace_callback('`(^|\\W)@(\\w+)`i', function ($matches) {
        foreach (get_bookmarks() as $bookmark) {
            if (preg_match("`" . $matches[2] . "`i", preg_replace("`\\W`", "", $bookmark->link_name))) {
                return $matches[1] . '<a class="h-card u-category" href="' . $bookmark->link_url . '" alt="' . $bookmark->link_name . '">' . $bookmark->link_name . '</a>';
            }
        }
        return $matches[1] . '<a class="h-card u-category" href="https://twitter.com/' . $matches[2] . '" alt="@' . $matches[2] . '">@' . $matches[2] . '</a>';
    }, $content);
}

 /**
  * @ticket 18356
  */
 public function test_orderby_rand_should_not_be_cached()
 {
     global $wpdb;
     $bookmarks = self::factory()->bookmark->create_many(2);
     $found1 = get_bookmarks(array('orderby' => 'rand'));
     $num_queries = $wpdb->num_queries;
     $found2 = get_bookmarks(array('orderby' => 'rand'));
     // equal sets != same order
     $this->assertEqualSets($found1, $found2);
     $this->assertTrue($num_queries < $wpdb->num_queries);
 }

 /**
  * Deletes plugin link from Blogroll
  *
  * @return void
  */
 public static function link_delete()
 {
     require_once ABSPATH . 'wp-admin/includes/bookmark.php';
     $bookmarks = get_bookmarks();
     $link_id = 0;
     foreach ($bookmarks as $bookmark) {
         if ($bookmark->link_url == W3TC_LINK_URL) {
             wp_delete_link($bookmark->link_id);
         }
     }
 }

function ubik_links()
{
    // Initialize
    $links = $category = $search = '';
    $links_array = array();
    // Private links can only be seen by users with the manage_links capability
    $hide_invisible = current_user_can('manage_links') ? 0 : 1;
    // Get the link category from the query string
    if (get_query_var('link_category')) {
        $category = get_query_var('link_category');
    }
    // Link search; also works with categories
    if (get_query_var('link_search')) {
        $search = get_query_var('link_search');
    }
    // Fetch the bookmarks
    $links = get_bookmarks(array('orderby' => apply_filters('ubik_links_orderby', 'link_id'), 'order' => apply_filters('ubik_links_order', 'DESC'), 'category_name' => $category, 'hide_invisible' => $hide_invisible, 'search' => esc_sql($search), 'limit' => -1));
    // Check for results then run through the loop
    if (!empty($links)) {
        foreach ($links as $link) {
            // Initialize all variables
            $title = $desc = $url = $rel = $target = $updated = $cats = $cats_formatted = '';
            // Conditionally set relevant variables
            if (!empty($link->link_id)) {
                $id = $link->link_id;
            }
            if (!empty($link->link_name)) {
                $title = $link->link_name;
            }
            if (!empty($link->link_description)) {
                $desc = $link->link_description;
            }
            if (!empty($link->link_url)) {
                $url = $link->link_url;
                $domain = parse_url($url);
                $domain = $domain['host'];
            }
            if (!empty($link->link_rel)) {
                $rel = ' rel="' . $link->link_rel . '"';
            }
            if (!empty($link->link_target)) {
                $target = ' target="' . $link->link_target . '"';
            }
            // Link categories
            if (!empty($id)) {
                $cats = ubik_links_categories($id);
            }
            // Assemble the links array; this returns the raw data as well as processed strings
            $links_array[] = array('id' => $id, 'title' => $title, 'description' => $desc, 'url' => $url, 'domain' => $domain, 'rel' => $rel, 'target' => $target, 'cats' => $cats, 'cats_html' => implode(', ', $cats), 'cats_list' => ubik_links_categories_list($cats), 'link' => '<a href="' . $url . '"' . $rel . $target . '>' . $title . '</a>');
        }
    }
    return apply_filters('ubik_links', $links_array);
}

 function xv_bookmarks()
 {
     $bookmarks = get_bookmarks('orderby=name&show_description=1');
     foreach ($bookmarks as $bookmark) {
         echo '<li><a href="' . $bookmark->link_url . '">';
         if (substr($bookmark->link_image, 0, 4) == 'http') {
             echo '<span class="imgfavicon"><img src="' . $bookmark->link_image . '" alt="' . $bookmark->link_name . '" /></span>';
         }
         echo $bookmark->link_name . '</a><div class="antifloat"></div>';
         echo '</li>';
     }
 }

function link_exists($link_url)
{
    $bookmarks = get_bookmarks();
    $matching_id = 0;
    foreach ($bookmarks as $bookmark) {
        if ($bookmark->link_url == $link_url) {
            $matching_id = $bookmark->link_id;
            break;
        }
    }
    return $matching_id;
}

function get_footer_link_options()
{
    $links = get_bookmarks(array('category_name' => 'Dynamic'));
    if (!empty($links)) {
        $options = array();
        foreach ($links as $link) {
            $options[$link->link_id] = $link->link_name;
        }
        return $options;
    } else {
        return array();
    }
}

function show_nav($nav_id = 'nav', $css_class = 'nav', $before_html = '', $after_html = '', $seperator = '', $display_as_list = false)
{
    if ($display_as_list) {
        $containertag = "ul";
        $openlist = "<li>";
        $closelist = "</li>";
    } else {
        $containertag = "div";
        $openlist = "";
        $closelist = "";
    }
    $useseperator = $seperator;
    echo '<' . $containertag . ' id="' . $nav_id . '" class="' . $css_class . '">';
    $navlinks = get_bookmarks('orderby=rating&category_name=' . $nav_id);
    $numOfItems = count($navlinks);
    $counter = 0;
    foreach ((array) $navlinks as $navlink) {
        $counter += 1;
        if ($counter == $numOfItems) {
            $useseperator = "";
        }
        if (!empty($navlink->link_url)) {
            $link_url = $navlink->link_url;
        } else {
            $link_url = "";
        }
        if (!empty($navlink->link_name)) {
            $link_name = $navlink->link_name;
        } else {
            $link_name = "";
        }
        if (!empty($navlink->link_description)) {
            $link_description = ' title="' . $navlink->link_description . '"';
        } else {
            $link_description = "";
        }
        if (!empty($navlink->link_target)) {
            $link_target = ' target="' . $navlink->link_target . '"';
        } else {
            $link_target = "";
        }
        $markCurrent = '';
        $rootpath_ar = explode("/", $_SERVER['REQUEST_URI']);
        $rootpath = "/" . $rootpath_ar[1] . "/";
        if ($link_url == $_SERVER['REQUEST_URI'] || $link_url . "/" == $_SERVER['REQUEST_URI'] || $link_url == $_SERVER['REQUEST_URI'] . "/" || $link_url == $rootpath) {
            $markCurrent = ' class="current"';
        }
        echo $openlist . '<a href="' . $link_url . '"' . $link_description . $link_target . $markCurrent . '>' . $before_html . $link_name . $after_html . "</a>" . $closelist . $useseperator . "\n";
    }
    echo "</{$containertag}>\n";
}

function wiziapp_getAllLinks()
{
    $header = array('action' => 'wiziapp_getAllLinks', 'status' => TRUE, 'code' => 200, 'message' => '');
    $linksLimit = WiziappConfig::getInstance()->links_list_limit;
    $pageNumber = isset($_GET['wizipage']) ? $_GET['wizipage'] : 0;
    $links = get_bookmarks(array('limit' => $linksLimit, 'offset' => $pageNumber * $linksLimit));
    $linksSummary = array();
    foreach ($links as $link) {
        $linksSummary[$link->link_url] = $link->link_name;
    }
    // Get the total number of pages
    $total = $GLOBALS['WiziappDB']->get_links_count();
    echo json_encode(array('header' => $header, 'links' => $linksSummary, 'total' => $total));
}

 /** 
 * Outputs an overview of all filters. 
 *
 * @since 0.4
 */
 public function faf_filters_overview()
 {
     echo "<h2>" . __("Feedwordpress Advanced Filters Overview", "faf") . "</h2>";
     _e("This page will display the filters from all feeds in the order they will be executed on the posts", "faf");
     $faf = new FeedwordpressAdvancedFilters();
     $cat_id = FeedWordpress::link_category_id();
     $links = get_bookmarks(array("category" => $cat_id));
     foreach ($links as $l => $link) {
         $Slink = new SyndicatedLink($link);
         $filter_array = $faf->get_filter_tree($Slink);
         echo "<a name='#" . $link->link_name . "' ></a>";
         echo "<hr /><h3>" . $link->link_name . "</h3>";
         foreach ($filter_array as $context => $filters) {
             if (count($filters) > 0) {
                 foreach ($filters as $filter) {
                     $name = $filter["filter_name"];
                     $args = $filter["filter_args"];
                     // echo "<div class='faf_filterSetting'><ul>";
                     $av_filters = $faf->get_available_filters();
                     $filter_function = $av_filters[$context][$name]["filter_function"];
                     if (version_compare(PHP_VERSION, "5.3.0", "<")) {
                         $desc = call_user_func($filter_function . '::get_description');
                     } else {
                         $desc = $filter_function::get_description();
                     }
                     echo "<div class='faf_filterBox'><h4>{$desc}</h4>";
                     //$filterObj = new $filter_function(array(),$args);
                     //$filterObj->display();
                     //   $filter_function::getDisplay($args);
                     if (version_compare(PHP_VERSION, "5.3.0", "<")) {
                         call_user_func_array($filter_function . '::getDisplay', array($args, $filter_function));
                     } else {
                         $filter_function::getDisplay($args);
                     }
                     /* foreach($args as $arg_name => $arg_value)
                       	{
                       		if ($arg_value == 1) $arg_value = "yes"; 
                       		echo "<li>$arg_name :: $arg_value</li>"; 
                        	} */
                     // echo "</ul></div></p>";
                     echo "</div>";
                 }
             }
         }
     }
     echo "<div class='faf_small'><a href=\"http://www.weblogmechanic.com/plugins/feedwordpress-advanced-filters/\" target=\"_blank\">Feedwordpress Advanced Filters</a> \t\tversion " . FAF_VERSION . " by Bas Schuiling</div>";
 }

	/**
	 *
	 * @global int    $cat_id
	 * @global string $s
	 * @global string $orderby
	 * @global string $order
	 */
	public function prepare_items() {
		global $cat_id, $s, $orderby, $order;

		wp_reset_vars( array( 'action', 'cat_id', 'link_id', 'orderby', 'order', 's' ) );

		$args = array( 'hide_invisible' => 0, 'hide_empty' => 0 );

		if ( 'all' != $cat_id )
			$args['category'] = $cat_id;
		if ( !empty( $s ) )
			$args['search'] = $s;
		if ( !empty( $orderby ) )
			$args['orderby'] = $orderby;
		if ( !empty( $order ) )
			$args['order'] = $order;

		$this->items = get_bookmarks( $args );
	}

function blogroll_links_html($category_id, $sort_by, $sort_order)
{
    $bm = get_bookmarks(array('orderby' => $sort_by, 'order' => $sort_order, 'limit' => -1, 'category' => "{$category_id}", 'category_name' => null, 'hide_invisible' => 1, 'show_updated' => 0, 'include' => null, 'exclude' => null, 'search' => '.'));
    $links .= '<ul>';
    foreach ($bm as $bookmark) {
        $rel_string = $bookmark->link_rel;
        $rel_tag_part = strlen($rel_string) > 0 ? ' rel="' . $rel_string . '"' : '';
        $target_string = $bookmark->link_target;
        $target_tag_part = strlen($target_string) > 0 ? ' target="' . $target_string . '"' : '';
        $description_string = $bookmark->link_description;
        $description_tag = strlen($description_string) > 0 ? ' - ' . $description_string : '';
        $image_string = $bookmark->link_image;
        $image_tag = strlen($image_string) > 0 ? '<br />' . '<img src="' . $bookmark->link_image . '" border="0"/>' : '';
        $links .= sprintf('<li><a href="%s"%s%s>%s</a>%s%s</li>', $bookmark->link_url, $rel_tag_part, $target_tag_part, $bookmark->link_name, $description_tag, $image_tag);
    }
    $links .= '</ul>';
    return $links;
}

	function prepare_items() {
		global $cat_id, $s, $orderby, $order;

		wp_reset_vars( array( 'action', 'cat_id', 'linkurl', 'name', 'image', 'description', 'visible', 'target', 'category', 'link_id', 'submit', 'orderby', 'order', 'links_show_cat_id', 'rating', 'rel', 'notes', 'linkcheck[]', 's' ) );

		$args = array( 'hide_invisible' => 0, 'hide_empty' => 0 );

		if ( 'all' != $cat_id )
			$args['category'] = $cat_id;
		if ( !empty( $s ) )
			$args['search'] = $s;
		if ( !empty( $orderby ) )
			$args['orderby'] = $orderby;
		if ( !empty( $order ) )
			$args['order'] = $order;

		$this->items = get_bookmarks( $args );
	}