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wp-content/plugins/jetpack/modules/widgets/authors.php
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271
wp-content/plugins/jetpack/modules/widgets/authors.php
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<?php
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/**
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* Disable direct access/execution to/of the widget code.
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Widget to display blog authors with avatars and recent posts.
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*
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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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*
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* @since 4.5.0
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*/
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class Jetpack_Widget_Authors extends WP_Widget {
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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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if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
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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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*
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* @since 4.5.0
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*/
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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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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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public function widget( $args, $instance ) {
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$cache_bucket = is_ssl() ? 'widget_authors_ssl' : 'widget_authors';
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if ( '%BEG_OF_TITLE%' != $args['before_title'] ) {
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if ( $output = wp_cache_get( $cache_bucket, 'widget' ) ) {
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echo $output;
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return;
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}
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ob_start();
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}
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$instance = wp_parse_args(
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$instance, array(
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'title' => __( 'Authors', 'jetpack' ),
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'all' => false,
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'number' => 5,
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'avatar_size' => 48,
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)
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);
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$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( $instance['number'], 1 );
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$default_excluded_authors = array();
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/**
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* Filter authors from the Widget Authors widget.
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*
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* @module widgets
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*
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* @since 4.5.0
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*
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* @param array $default_excluded_authors Array of user ID's that will be excluded
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*/
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$excluded_authors = apply_filters( 'jetpack_widget_authors_exclude', $default_excluded_authors );
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$authors = get_users(
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array(
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'fields' => 'all',
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'who' => 'authors',
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'exclude' => (array) $excluded_authors,
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)
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);
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echo $args['before_widget'];
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/** This filter is documented in core/src/wp-includes/default-widgets.php */
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$title = apply_filters( 'widget_title', $instance['title'] );
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echo $args['before_title'] . esc_html( $title ) . $args['after_title'];
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echo '<ul>';
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$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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*
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* @module widgets
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*
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* @since 4.5.0
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*
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* @param string|array $default_post_type type(s) of posts to count for the widget.
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*/
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$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="' . 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 == $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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echo '<li><a href="' . get_permalink() . '">';
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if ( get_the_title() ) {
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echo get_the_title();
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} else {
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echo get_the_ID();
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}
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echo '</a></li>';
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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'];
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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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public function form( $instance ) {
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$instance = wp_parse_args(
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$instance, 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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?>
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<p>
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<label>
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<?php _e( 'Title:', 'jetpack' ); ?>
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<input class="widefat" name="<?php echo $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 $this->get_field_name( 'all' ); ?>" />
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<?php _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 _e( 'Number of posts to show for each author:', 'jetpack' ); ?>
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<input style="width: 50px; text-align: center;" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo esc_attr( $instance['number'] ); ?>" />
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<?php _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 _e( 'Avatar Size (px):', 'jetpack' ); ?>
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<select name="<?php echo $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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?>
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<option value="<?php echo esc_attr( $value ); ?>" <?php selected( $value, $instance['avatar_size'] ); ?>><?php echo esc_html( $label ); ?></option>
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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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*
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* @param array $new_instance
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* @param array $old_instance
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* @return array
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*/
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public function update( $new_instance, $old_instance ) {
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$new_instance['title'] = strip_tags( $new_instance['title'] );
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$new_instance['all'] = isset( $new_instance['all'] );
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$new_instance['number'] = (int) $new_instance['number'];
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$new_instance['avatar_size'] = (int) $new_instance['avatar_size'];
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Jetpack_Widget_Authors::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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function jetpack_register_widget_authors() {
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register_widget( 'Jetpack_Widget_Authors' );
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};
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