popular-posts.php

<?php
/*
Plugin Name: DWF Popular Posts Widget
Description: Displays posts in last X days, sorted by most comments (proxy for popularity)
*/

/** Add our function to the widgets_init hook. **/
add_action( 'widgets_init', 'dwf_popular_load_widgets' );
function dwf_popular_load_widgets() {
	register_widget('DWF_Popular_Widget');
}
/** Define the Widget as an extension of WP_Widget **/
class DWF_Popular_Widget extends WP_Widget {
	public function __construct() {
		/* Widget settings. */
		$widget_ops = array('classname' => 'widget_popular', 'description' => 'Displays most popular posts by comment count (no title trimming)');
		/* Widget control settings. */
		$control_ops = array('id_base' => 'dwf-popular-widget');
		/* Create the widget. */
		parent::__construct( 'dwf-popular-widget', 'DWF Popular Posts', $widget_ops, $control_ops);
	}
	function widget($args, $instance) {
		extract($args);
		$loop_args = array(
			'orderby' => 'meta_value_num',
			'order' => 'desc',
			'meta_key' => 'views'
		);
		$loop = new WP_Query( $loop_args );
		if($loop->have_posts()) {
			echo $before_widget;
			if(!empty($instance['title'])) {
				echo $before_title . $instance['title'] . $after_title;
			}
			?> <div class="mu-grid-row"> <?php
			while($loop->have_posts()) {
				$loop->the_post();
				get_template_part('template-parts/content-style-grid');
			}
			?> </div> <?php
			echo $after_widget;
		}
	}
	function update($new_instance, $old_instance) {
		$instance = $old_instance;
		/* Strip tags (if needed) and update the widget settings. */
		$instance['title'] = esc_attr($new_instance['title']);
		return $instance;
	}
	function form($instance) {
		/* Set up some default widget settings. */
		$defaults = array('title' => '');
		$instance = wp_parse_args((array)$instance, $defaults); ?>
		<p>
			<label for="<?php echo $this->get_field_id('title'); ?>">Title:</label>
			<input id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" />
		</p>
		<?php
	}
}