312 lines
11 KiB
PHP
312 lines
11 KiB
PHP
<?php
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/**
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* Custom Widget for displaying specific post formats
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*
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* Displays posts from Aside, Quote, Video, Audio, Image, Gallery, and Link formats.
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*
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* @link https://developer.wordpress.org/themes/functionality/widgets/#developing-widgets
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*
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* @package WordPress
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* @subpackage Twenty_Fourteen
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* @since Twenty Fourteen 1.0
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*/
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class Twenty_Fourteen_Ephemera_Widget extends WP_Widget {
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/**
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* The supported post formats.
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*
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* @since Twenty Fourteen 1.0
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*
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* @var array
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*/
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private $formats = array( 'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery' );
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/**
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* Constructor.
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*
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* @since Twenty Fourteen 1.0
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*
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* @return Twenty_Fourteen_Ephemera_Widget
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*/
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public function __construct() {
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parent::__construct(
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'widget_twentyfourteen_ephemera',
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__( 'Twenty Fourteen Ephemera', 'twentyfourteen' ),
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array(
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'classname' => 'widget_twentyfourteen_ephemera',
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'description' => __( 'Use this widget to list your recent Aside, Quote, Video, Audio, Image, Gallery, and Link posts.', 'twentyfourteen' ),
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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_customize_preview() ) {
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
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}
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}
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/**
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* Enqueue scripts.
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*
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* @since Twenty Fourteen 1.7
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*/
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public function enqueue_scripts() {
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/** This filter is documented in wp-includes/media.php */
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$audio_library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
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/** This filter is documented in wp-includes/media.php */
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$video_library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
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if ( in_array( 'mediaelement', array( $video_library, $audio_library ), true ) ) {
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wp_enqueue_style( 'wp-mediaelement' );
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wp_enqueue_script( 'mediaelement-vimeo' );
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wp_enqueue_script( 'wp-mediaelement' );
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}
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}
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/**
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* Output the HTML for this widget.
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*
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* @since Twenty Fourteen 1.0
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*
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* @param array $args An array of standard parameters for widgets in this theme.
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* @param array $instance An array of settings for this widget instance.
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*/
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public function widget( $args, $instance ) {
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$format = isset( $instance['format'] ) ? $instance['format'] : '';
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if ( ! $format || ! in_array( $format, $this->formats, true ) ) {
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$format = 'aside';
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}
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switch ( $format ) {
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case 'image':
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$format_string = __( 'Images', 'twentyfourteen' );
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$format_string_more = __( 'More images', 'twentyfourteen' );
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break;
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case 'video':
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$format_string = __( 'Videos', 'twentyfourteen' );
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$format_string_more = __( 'More videos', 'twentyfourteen' );
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break;
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case 'audio':
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$format_string = __( 'Audio', 'twentyfourteen' );
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$format_string_more = __( 'More audio', 'twentyfourteen' );
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break;
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case 'quote':
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$format_string = __( 'Quotes', 'twentyfourteen' );
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$format_string_more = __( 'More quotes', 'twentyfourteen' );
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break;
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case 'link':
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$format_string = __( 'Links', 'twentyfourteen' );
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$format_string_more = __( 'More links', 'twentyfourteen' );
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break;
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case 'gallery':
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$format_string = __( 'Galleries', 'twentyfourteen' );
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$format_string_more = __( 'More galleries', 'twentyfourteen' );
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break;
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case 'aside':
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default:
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$format_string = __( 'Asides', 'twentyfourteen' );
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$format_string_more = __( 'More asides', 'twentyfourteen' );
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break;
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}
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$number = ! empty( $instance['number'] ) ? absint( $instance['number'] ) : 2;
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$title = ! empty( $instance['title'] ) ? $instance['title'] : $format_string;
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
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$ephemera = new WP_Query(
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array(
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'order' => 'DESC',
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'posts_per_page' => $number,
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'no_found_rows' => true,
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'post_status' => 'publish',
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'post__not_in' => get_option( 'sticky_posts' ),
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'tax_query' => array(
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array(
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'taxonomy' => 'post_format',
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'terms' => array( "post-format-$format" ),
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'field' => 'slug',
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'operator' => 'IN',
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),
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),
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)
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);
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if ( $ephemera->have_posts() ) :
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$tmp_content_width = $GLOBALS['content_width'];
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$GLOBALS['content_width'] = 306;
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echo $args['before_widget'];
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?>
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<h1 class="widget-title <?php echo esc_attr( $format ); ?>">
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<a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo esc_html( $title ); ?></a>
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</h1>
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<ol>
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<?php
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while ( $ephemera->have_posts() ) :
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$ephemera->the_post();
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$tmp_more = $GLOBALS['more'];
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$GLOBALS['more'] = 0;
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?>
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<li>
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<article <?php post_class(); ?>>
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<div class="entry-content">
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<?php
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if ( has_post_format( 'gallery' ) ) :
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if ( post_password_required() ) :
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the_content( __( 'Continue reading <span class="meta-nav">→</span>', 'twentyfourteen' ) );
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else :
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$images = array();
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$galleries = get_post_galleries( get_the_ID(), false );
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if ( isset( $galleries[0]['ids'] ) ) {
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$images = explode( ',', $galleries[0]['ids'] );
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}
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if ( ! $images ) :
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$images = get_posts(
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array(
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'fields' => 'ids',
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'numberposts' => -1,
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'order' => 'ASC',
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'orderby' => 'menu_order',
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'post_mime_type' => 'image',
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'post_parent' => get_the_ID(),
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'post_type' => 'attachment',
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)
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);
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endif;
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$total_images = count( $images );
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if ( has_post_thumbnail() ) :
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$post_thumbnail = get_the_post_thumbnail();
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elseif ( $total_images > 0 ) :
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$image = reset( $images );
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$post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
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endif;
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if ( ! empty( $post_thumbnail ) ) :
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?>
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<a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
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<?php endif; ?>
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<p class="wp-caption-text">
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<?php
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printf(
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/* translators: 1: Post permalink, 2: Number of images in the gallery. */
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_n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
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esc_url( get_permalink() ),
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number_format_i18n( $total_images )
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);
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?>
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</p>
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<?php
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endif;
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else :
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the_content( __( 'Continue reading <span class="meta-nav">→</span>', 'twentyfourteen' ) );
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endif;
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?>
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</div><!-- .entry-content -->
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<header class="entry-header">
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<div class="entry-meta">
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<?php
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if ( ! has_post_format( 'link' ) ) :
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the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
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endif;
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printf(
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'<span class="entry-date"><a href="%1$s" rel="bookmark"><time class="entry-date" datetime="%2$s">%3$s</time></a></span> <span class="byline"><span class="author vcard"><a class="url fn n" href="%4$s" rel="author">%5$s</a></span></span>',
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esc_url( get_permalink() ),
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esc_attr( get_the_date( 'c' ) ),
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esc_html( get_the_date() ),
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esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
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get_the_author()
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);
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if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
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?>
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<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
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<?php endif; ?>
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</div><!-- .entry-meta -->
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</header><!-- .entry-header -->
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</article><!-- #post-<?php the_ID(); ?> -->
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</li>
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<?php endwhile; ?>
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</ol>
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<a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>">
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<?php
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/* translators: Used with More archives link. */
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printf( __( '%s <span class="meta-nav">→</span>', 'twentyfourteen' ), $format_string_more );
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?>
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</a>
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<?php
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echo $args['after_widget'];
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// Reset the post globals as this query will have stomped on it.
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wp_reset_postdata();
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$GLOBALS['more'] = $tmp_more;
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$GLOBALS['content_width'] = $tmp_content_width;
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endif; // End check for ephemeral posts.
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}
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/**
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* Deal with the settings when they are saved by the admin.
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*
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* Here is where any validation should happen.
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*
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* @since Twenty Fourteen 1.0
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*
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* @param array $new_instance New widget instance.
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* @param array $instance Original widget instance.
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* @return array Updated widget instance.
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*/
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function update( $new_instance, $instance ) {
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$instance['title'] = strip_tags( $new_instance['title'] );
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$instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
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if ( in_array( $new_instance['format'], $this->formats, true ) ) {
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$instance['format'] = $new_instance['format'];
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}
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return $instance;
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}
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/**
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* Display the form for this widget on the Widgets page of the Admin area.
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*
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* @since Twenty Fourteen 1.0
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*
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* @param array $instance
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*/
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function form( $instance ) {
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$title = ! empty( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
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$number = ! empty( $instance['number'] ) ? absint( $instance['number'] ) : 2;
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$format = isset( $instance['format'] ) ? $instance['format'] : '';
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if ( ! $format || ! in_array( $format, $this->formats, true ) ) {
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$format = 'aside';
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}
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?>
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<p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
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<input id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>"></p>
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<p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
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<input id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3"></p>
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<p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
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<select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
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<?php foreach ( $this->formats as $slug ) : ?>
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<option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo esc_html( get_post_format_string( $slug ) ); ?></option>
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<?php endforeach; ?>
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</select>
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<?php
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}
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}
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