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✏️ Editing: widget-entry-views.php

<?php
/**
 * @package   EntryViews
 * @version   1.0.0
 * @author    Justin Tadlock <justin@justintadlock.com>
 * @copyright Copyright (c) 2010 - 2014, Justin Tadlock
 * @link      http://themehybrid.com/plugins/entry-views
 * @license   http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 */

/**
 * Entry Views widget.
 *
 * @since 1.0.0
 */
class EV_Widget_Entry_Views extends WP_Widget {

/**
	 * Default arguments for the widget settings.
	 *
	 * @since  1.0.0
	 * @access public
	 * @var    array
	 */
	public $defaults = array();

/**
	 * Set up the widget's unique name, ID, class, description, and other options.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	function __construct() {

/* Set up the widget options. */
		$widget_options = array(
			'classname'   => 'widget-entry-views',
			'description' => esc_html__( 'Display posts based on their view count.', 'entry-views' )
		);

/* Set up the widget control options. */
		$control_options = array(
			'width'  => 200,
			'height' => 350
		);

/* Create the widget. */
		$this->WP_Widget(
			'ev-entry-views',
			__( 'Entry Views', 'entry-views' ),
			$widget_options,
			$control_options
		);

/* Set up defaults. */
		$this->defaults = array(
			'title'           => esc_attr__( 'Views', 'entry-views' ),
			'posts_per_page'  => 10,
			'post_type'       => 'post',
			'order'           => 'DESC',
			'show_view_count' => true
		);
	}

/**
	 * Outputs the widget based on the arguments input through the widget controls.
	 *
	 * @since  1.0.0
	 * @access public
	 * @param  array  $sidebar
	 * @param  array  $instance
	 * @return void
	 */
	function widget( $sidebar, $instance ) {

/* Set the $args for wp_get_archives() to the $instance array. */
		$args = wp_parse_args( $instance, $this->defaults );

/* Output the sidebar's $before_widget wrapper. */
		echo $sidebar['before_widget'];

/* If a title was input by the user, display it. */
		if ( !empty( $args['title'] ) )
			echo $sidebar['before_title'] . apply_filters( 'widget_title',  $args['title'], $instance, $this->id_base ) . $sidebar['after_title'];

/* Query the most/least viewed posts. */
		$loop = new WP_Query(
			array(
				'post_type'           => $args['post_type'],
				'posts_per_page'      => $args['posts_per_page'],
				'order'               => $args['order'],
				'orderby'             => 'meta_value_num',
				'ignore_sticky_posts' => true,
				'meta_key'            => ev_get_meta_key()
			)
		);

if ( $loop->have_posts() ) : ?>

<?php while ( $loop->have_posts() ) : $loop->the_post(); ?>

<?php endwhile; ?>

</ul>

<?php endif;

/* Close the sidebar's widget wrapper. */
		echo $sidebar['after_widget'];
	}

/**
	 * The update callback for the widget control options.  This method is used to sanitize and/or
	 * validate the options before saving them into the database.
	 *
	 * @since  1.0.0
	 * @access public
	 * @param  array  $new_instance
	 * @param  array  $old_instance
	 * @return array
	 */
	function update( $new_instance, $old_instance ) {

/* Strip tags. */
		$instance['title']  = strip_tags( $new_instance['title']  );

/* Array map sanitize key. */
		$instance['post_type'] = array_map( 'sanitize_key', $new_instance['post_type'] );

/* Whitelist options. */
		$order  = array( 'ASC', 'DESC' );

$instance['order']  = in_array( $new_instance['order'], $order ) ? $new_instance['order'] : 'DESC';

/* Integers. */
		$instance['posts_per_page'] = absint( $new_instance['posts_per_page'] );

/* Checkboxes. */
		$instance['show_view_count'] = isset( $new_instance['show_view_count'] ) ? 1 : 0;

/* Return sanitized options. */
		return $instance;
	}

/**
	 * Displays the widget control options in the Widgets admin screen.
	 *
	 * @since  1.0.0
	 * @access public
	 * @param  array  $instance
	 * @param  void
	 */
	function form( $instance ) {

/* Merge the user-selected arguments with the defaults. */
		$instance = wp_parse_args( (array) $instance, $this->defaults );

$post_types  = array();
		$_post_types = get_post_types( array( 'public' => true ), 'objects' );

foreach ( $_post_types as $_post_type ) {
			if ( post_type_supports( $_post_type->name, 'entry-views' ) )
				$post_types[] = $_post_type;
		}

/* Create an array of order options. */
		$order = array(
			'ASC'  => esc_attr__( 'Ascending',  'entry-views' ),
			'DESC' => esc_attr__( 'Descending', 'entry-views' )
		);

?>
		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'entry-views' ); ?></label>
			<input type="text" class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" placeholder="<?php echo esc_attr( $this->defaults['title'] ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'post_type' ); ?>"><?php _e( 'Post Type:', 'entry-views' ); ?></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'post_type' ); ?>" name="<?php echo $this->get_field_name( 'post_type' ); ?>[]" size="4" multiple="multiple">
				<?php foreach ( $post_types as $post_type ) { ?>
					<option value="<?php echo esc_attr( $post_type->name ); ?>" <?php selected( in_array( $post_type->name, (array)$instance['post_type'] ) ); ?>><?php echo esc_html( $post_type->labels->singular_name ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'posts_per_page' ); ?>"><?php _e( 'Limit:', 'entry-views' ); ?></label>
			<input type="number" class="widefat code" size="5" min="1" id="<?php echo $this->get_field_id( 'posts_per_page' ); ?>" name="<?php echo $this->get_field_name( 'posts_per_page' ); ?>" value="<?php echo esc_attr( $instance['posts_per_page'] ); ?>" placeholder="10" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'order' ); ?>"><?php _e( 'Order:', 'entry-views' ); ?></label> 
			<select class="widefat" id="<?php echo $this->get_field_id( 'order' ); ?>" name="<?php echo $this->get_field_name( 'order' ); ?>">
				<?php foreach ( $order as $option_value => $option_label ) { ?>
					<option value="<?php echo esc_attr( $option_value ); ?>" <?php selected( $instance['order'], $option_value ); ?>><?php echo esc_html( $option_label ); ?></option>
				<?php } ?>
			</select>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'show_view_count' ); ?>">
			<input class="checkbox" type="checkbox" <?php checked( $instance['show_view_count'], true ); ?> id="<?php echo $this->get_field_id( 'show_view_count' ); ?>" name="<?php echo $this->get_field_name( 'show_view_count' ); ?>" /> <?php _e( 'Show view count?', 'entry-views' ); ?></label>
		</p>
	<?php
	}
}

MR SKB