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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Disable direct access/execution to/of the widget code.

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.

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/**

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* Widget to display blog authors with avatars and recent posts.

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* Configurable parameters include:

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* 1. Whether to display authors who haven't written any posts

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* 2. The number of posts to be displayed per author (defaults to 0)

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* 3. Avatar size

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* @since 4.5.0

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class Jetpack_Widget_Authors extends WP_Widget {

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/**

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* Jetpack_Widget_Authors contructor.

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public function __construct() {

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parent::__construct(

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'authors',

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/** This filter is documented in modules/widgets/facebook-likebox.php */

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apply_filters( 'jetpack_widget_name', __( 'Authors', 'jetpack' ) ),

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array(

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'classname' => 'widget_authors',

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'description' => __( 'Display blogs authors with avatars and recent posts.', 'jetpack' ),

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'customize_selective_refresh' => true,

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)

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);

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add_action( 'publish_post', array( __CLASS__, 'flush_cache' ) );

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add_action( 'deleted_post', array( __CLASS__, 'flush_cache' ) );

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add_action( 'switch_theme', array( __CLASS__, 'flush_cache' ) );

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}

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/**

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* Enqueue stylesheet to adapt the widget to various themes.

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* @since 4.5.0

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public function enqueue_style() {

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wp_register_style( 'jetpack-authors-widget', plugins_url( 'authors/style.css', __FILE__ ), array(), '20161228' );

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wp_enqueue_style( 'jetpack-authors-widget' );

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}

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/**

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* Flush Authors widget cached data.

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public static function flush_cache() {

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wp_cache_delete( 'widget_authors', 'widget' );

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wp_cache_delete( 'widget_authors_ssl', 'widget' );

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}

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/**

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* Echoes the widget content.

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* @param array $args Display arguments.

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* @param array $instance Widget settings for the instance.

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public function widget( $args, $instance ) {

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// Enqueue front end assets.

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$this->enqueue_style();

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$cache_bucket = is_ssl() ? 'widget_authors_ssl' : 'widget_authors';

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if ( '%BEG_OF_TITLE%' !== $args['before_title'] ) {

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$output = wp_cache_get( $cache_bucket, 'widget' );

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if ( $output ) {

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echo $output; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Cached widget display.

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return;

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}

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ob_start();

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}

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$instance = wp_parse_args(

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$instance,

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array(

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'title' => __( 'Authors', 'jetpack' ),

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'all' => false,

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'number' => 5,

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'avatar_size' => 48,

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)

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);

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$instance['number'] = min( 10, max( 0, (int) $instance['number'] ) );

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// We need to query at least one post to determine whether an author has written any posts or not.

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$query_number = max( $instance['number'], 1 );

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/**

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* Filter authors from the Widget Authors widget.

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* @module widgets

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* @deprecated 7.7.0 Use jetpack_widget_authors_params instead.

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* @since 4.5.0

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* @param array $default_excluded_authors Array of user ID's that will be excluded

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$excluded_authors = apply_filters( 'jetpack_widget_authors_exclude', array() );

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/**

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* Filter the parameters of `get_users` call in the Widget Authors widget.

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* See the following for `get_users` default arguments:

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* https://codex.wordpress.org/Function_Reference/get_users

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* @module widgets

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* @since 7.7.0

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* @param array $get_author_params Array of params used in `get_user`

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$get_author_params = apply_filters(

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'jetpack_widget_authors_params',

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array(

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'capability' => array( 'edit_posts' ),

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'exclude' => (array) $excluded_authors,

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)

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);

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$authors = get_users( $get_author_params );

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echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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/** This filter is documented in core/src/wp-includes/default-widgets.php */

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$title = apply_filters( 'widget_title', $instance['title'] );

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echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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echo '<ul>';

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$default_post_type = 'post';

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/**

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* Filter types of posts that will be counted in the widget

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* @module widgets

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* @since 4.5.0

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* @param string|array $default_post_type type(s) of posts to count for the widget.

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$post_types = apply_filters( 'jetpack_widget_authors_post_types', $default_post_type );

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foreach ( $authors as $author ) {

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$r = new WP_Query(

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array(

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'author' => $author->ID,

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'posts_per_page' => $query_number,

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'post_type' => $post_types,

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'post_status' => 'publish',

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'no_found_rows' => true,

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'has_password' => false,

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)

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);

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if ( ! $r->have_posts() && ! $instance['all'] ) {

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continue;

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}

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echo '<li>';

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// Display avatar and author name.

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if ( $r->have_posts() ) {

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echo '<a href="' . esc_url( get_author_posts_url( $author->ID ) ) . '">';

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if ( $instance['avatar_size'] > 1 ) {

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echo ' ' . get_avatar( $author->ID, $instance['avatar_size'], '', true ) . ' ';

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}

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echo '<strong>' . esc_html( $author->display_name ) . '</strong>';

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echo '</a>';

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} elseif ( $instance['all'] ) {

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if ( $instance['avatar_size'] > 1 ) {

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echo get_avatar( $author->ID, $instance['avatar_size'], '', true ) . ' ';

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}

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echo '<strong>' . esc_html( $author->display_name ) . '</strong>';

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}

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if ( 0 === (int) $instance['number'] ) {

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echo '</li>';

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continue;

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}

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// Display a short list of recent posts for this author.

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if ( $r->have_posts() ) {

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echo '<ul>';

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while ( $r->have_posts() ) {

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$r->the_post();

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printf(

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'<li><a href="%1$s" title="%2$s"%3$s>%4$s</a></li>',

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esc_url( get_permalink() ),

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esc_attr( wp_kses( get_the_title(), array() ) ),

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( get_queried_object_id() === get_the_ID() ? ' aria-current="page"' : '' ),

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esc_html( wp_kses( get_the_title(), array() ) )

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);

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}

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echo '</ul>';

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}

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echo '</li>';

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}

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echo '</ul>';

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echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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wp_reset_postdata();

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if ( '%BEG_OF_TITLE%' !== $args['before_title'] ) {

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wp_cache_add( $cache_bucket, ob_get_flush(), 'widget' );

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}

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/** This action is documented in modules/widgets/gravatar-profile.php */

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do_action( 'jetpack_stats_extra', 'widget_view', 'authors' );

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}

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/**

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* Outputs the widget settings form.

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* @param array $instance Current settings.

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* @return string|void

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public function form( $instance ) {

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$instance = wp_parse_args(

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$instance,

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array(

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'title' => '',

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'all' => false,

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'avatar_size' => 48,

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'number' => 5,

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)

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);

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<p>

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<label>

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<?php esc_html_e( 'Title:', 'jetpack' ); ?>

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<input class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />

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</label>

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</p>

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<p>

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<label>

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<input class="checkbox" type="checkbox" <?php checked( $instance['all'] ); ?> name="<?php echo esc_attr( $this->get_field_name( 'all' ) ); ?>" />

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<?php esc_html_e( 'Display all authors (including those who have not written any posts)', 'jetpack' ); ?>

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</label>

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</p>

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<p>

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<label>

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<?php esc_html_e( 'Number of posts to show for each author:', 'jetpack' ); ?>

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<input style="width: 50px; text-align: center;" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['number'] ); ?>" />

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<?php esc_html_e( '(at most 10)', 'jetpack' ); ?>

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</label>

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</p>

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<p>

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<label>

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<?php esc_html_e( 'Avatar Size (px):', 'jetpack' ); ?>

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<select name="<?php echo esc_attr( $this->get_field_name( 'avatar_size' ) ); ?>">

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<?php

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foreach ( array(

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'1' => __( 'No Avatars', 'jetpack' ),

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'16' => '16x16',

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'32' => '32x32',

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'48' => '48x48',

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'96' => '96x96',

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'128' => '128x128',

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) as $value => $label ) {

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<?php } ?>

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</select>

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</label>

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</p>

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<?php

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}

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/**

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* Updates the widget on save and flushes cache.

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* @param array $new_instance New widget instance data.

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* @param array $old_instance Old widget instance data.

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* @return array

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public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable

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$new_instance['title'] = wp_strip_all_tags( $new_instance['title'] );

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$new_instance['all'] = isset( $new_instance['all'] ) ? (bool) $new_instance['all'] : false;

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$new_instance['number'] = (int) $new_instance['number'];

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$new_instance['avatar_size'] = (int) $new_instance['avatar_size'];

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self::flush_cache();

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return $new_instance;

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}

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}

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add_action( 'widgets_init', 'jetpack_register_widget_authors' );

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/**

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* Register the Authors widget.

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function jetpack_register_widget_authors() {

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register_widget( 'Jetpack_Widget_Authors' );

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}

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