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- /**
- * Recent_Posts widget w/ category exclude class
- * This allows specific Category IDs to be removed from the Sidebar Recent Posts list
- *
- */
- class WP_Widget_Recent_Posts_Exclude extends WP_Widget {
- function __construct() {
- $widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your site") );
- parent::__construct('recent-posts', __('Recent Posts with Exclude'), $widget_ops);
- $this->alt_option_name = 'widget_recent_entries';
- add_action( 'save_post', array(&$this, 'flush_widget_cache') );
- add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
- add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
- }
- function widget($args, $instance) {
- $cache = wp_cache_get('widget_recent_posts', 'widget');
- if ( !is_array($cache) )
- $cache = array();
- if ( ! isset( $args['widget_id'] ) )
- $args['widget_id'] = $this->id;
- if ( isset( $cache[ $args['widget_id'] ] ) ) {
- echo $cache[ $args['widget_id'] ];
- return;
- }
- ob_start();
- extract($args);
- $title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title'], $instance, $this->id_base);
- if ( empty( $instance['number'] ) || ! $number = absint( $instance['number'] ) )
- $number = 10;
- $exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
- $r = new WP_Query(array('posts_per_page' => $number, 'no_found_rows' => true, 'post_status' => 'publish', 'ignore_sticky_posts' => true, 'category__not_in' => explode(',', $exclude) ));
- if ($r->have_posts()) :
- ?>
- <?php //echo print_r(explode(',', $exclude)); ?>
- <?php echo $before_widget; ?>
- <?php if ( $title ) echo $before_title . $title . $after_title; ?>
- <ul>
- <?php while ($r->have_posts()) : $r->the_post(); ?>
- <li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?></a></li>
- <?php endwhile; ?>
- </ul>
- <?php echo $after_widget; ?>
- <?php
- // Reset the global $the_post as this query will have stomped on it
- wp_reset_postdata();
- endif;
- $cache[$args['widget_id']] = ob_get_flush();
- wp_cache_set('widget_recent_posts', $cache, 'widget');
- }
- function update( $new_instance, $old_instance ) {
- $instance = $old_instance;
- $instance['title'] = strip_tags($new_instance['title']);
- $instance['number'] = (int) $new_instance['number'];
- $instance['exclude'] = strip_tags( $new_instance['exclude'] );
- $this->flush_widget_cache();
- $alloptions = wp_cache_get( 'alloptions', 'options' );
- if ( isset($alloptions['widget_recent_entries']) )
- delete_option('widget_recent_entries');
- return $instance;
- }
- function flush_widget_cache() {
- wp_cache_delete('widget_recent_posts', 'widget');
- }
- function form( $instance ) {
- $title = isset($instance['title']) ? esc_attr($instance['title']) : '';
- $number = isset($instance['number']) ? absint($instance['number']) : 5;
- $exclude = esc_attr( $instance['exclude'] );
- ?>
- <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
- <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>
- <p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of posts to show:'); ?></label>
- <input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>
- <p>
- <label for="<?php echo $this->get_field_id('exclude'); ?>"><?php _e( 'Exclude Category(s):' ); ?></label> <input type="text" value="<?php echo $exclude; ?>" name="<?php echo $this->get_field_name('exclude'); ?>" id="<?php echo $this->get_field_id('exclude'); ?>" class="widefat" />
- <br />
- <small><?php _e( 'Category IDs, separated by commas.' ); ?></small>
- </p>
- <?php
- }
- }
- function WP_Widget_Recent_Posts_Exclude_init() {
- unregister_widget('WP_Widget_Recent_Posts');
- register_widget('WP_Widget_Recent_Posts_Exclude');
- }
- add_action('widgets_init', 'WP_Widget_Recent_Posts_Exclude_init');
- ?>
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