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| <?php | |
| /** | |
| * Favorite Widget | |
| * | |
| * @package Core_Functionality | |
| * @since 1.0.0 | |
| * @link https://github.com/billerickson/Core-Functionality | |
| * @author Bill Erickson <[email protected]> | |
| * @copyright Copyright (c) 2011, Bill Erickson | |
| * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License | |
| */ | |
| class BE_Favorite_Widget extends WP_Widget { | |
| /** | |
| * Constructor | |
| * | |
| * @return void | |
| **/ | |
| function BE_Favorite_Widget() { | |
| $widget_ops = array( 'classname' => 'widget_favorite', 'description' => 'Displays 8 random posts marked favorite' ); | |
| $this->WP_Widget( 'favorite-widget', 'Favorite Images', $widget_ops ); | |
| } | |
| /** | |
| * Outputs the HTML for this widget. | |
| * | |
| * @param array An array of standard parameters for widgets in this theme | |
| * @param array An array of settings for this widget instance | |
| * @return void Echoes it's output | |
| **/ | |
| function widget( $args, $instance ) { | |
| extract( $args, EXTR_SKIP ); | |
| echo $before_widget; | |
| $popular = wp_cache_get( 'be_popular_posts' ); | |
| if( false === $popular ) { | |
| $popular = $this->load_popular_posts(); | |
| $expire = 60 * 60 * 24; // Cache data for one day (86400 seconds) | |
| wp_cache_set( 'be_popular_posts', $popular, 'be_cache', $expire ); | |
| } | |
| echo $popular; | |
| echo $after_widget; | |
| } | |
| /** | |
| * Load Popular Posts | |
| * @ return string, popular post output | |
| */ | |
| function load_popular_posts() { | |
| $loop_args = array( | |
| 'posts_per_page' => 8, | |
| 'orderby' => 'rand', | |
| 'no_found_rows' => true, | |
| 'update_post_term_cache' => false, | |
| 'meta_query' => array( | |
| array( | |
| 'key' => 'be_favorite_image', | |
| 'value' => 'on', | |
| ) | |
| ) | |
| ); | |
| $loop = new WP_Query( $loop_args ); | |
| $output = ''; | |
| if( $loop->have_posts() ): | |
| $output .= '<p>'; | |
| while( $loop->have_posts() ): $loop->the_post(); global $post; | |
| $output .= '<a href="' . get_permalink( $post->ID ) . '">' . get_the_post_thumbnail( $post->ID, 'be_favorite' ) . '</a> '; | |
| endwhile; | |
| $output .= '</p>'; | |
| endif; | |
| wp_reset_postdata(); | |
| return $output; | |
| } | |
| } | |
| function be_register_favorite_widget() { | |
| register_widget('BE_Favorite_Widget'); | |
| } | |
| add_action( 'widgets_init', 'be_register_favorite_widget' ); |
