232 lines
6.6 KiB
PHP
232 lines
6.6 KiB
PHP
<?php
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/**
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* Widget API: WP_Widget_Archives class
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 4.4.0
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*/
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/**
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* Core class used to implement the Archives widget.
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*
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* @since 2.8.0
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*
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* @see WP_Widget
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*/
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class WP_Widget_Archives extends WP_Widget {
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/**
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* Sets up a new Archives widget instance.
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*
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* @since 2.8.0
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*/
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public function __construct() {
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$widget_ops = array(
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'classname' => 'widget_archive',
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'description' => __( 'A monthly archive of your site’s Posts.' ),
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'customize_selective_refresh' => true,
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);
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parent::__construct( 'archives', __( 'Archives' ), $widget_ops );
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}
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/**
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* Outputs the content for the current Archives widget instance.
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*
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* @since 2.8.0
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*
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* @param array $args Display arguments including 'before_title', 'after_title',
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* 'before_widget', and 'after_widget'.
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* @param array $instance Settings for the current Archives widget instance.
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*/
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public function widget( $args, $instance ) {
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$default_title = __( 'Archives' );
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$title = ! empty( $instance['title'] ) ? $instance['title'] : $default_title;
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
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$count = ! empty( $instance['count'] ) ? '1' : '0';
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$dropdown = ! empty( $instance['dropdown'] ) ? '1' : '0';
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echo $args['before_widget'];
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if ( $title ) {
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echo $args['before_title'] . $title . $args['after_title'];
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}
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if ( $dropdown ) {
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$dropdown_id = "{$this->id_base}-dropdown-{$this->number}";
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?>
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<label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label>
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<select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown">
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<?php
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/**
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* Filters the arguments for the Archives widget drop-down.
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*
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* @since 2.8.0
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* @since 4.9.0 Added the `$instance` parameter.
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*
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* @see wp_get_archives()
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*
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* @param array $args An array of Archives widget drop-down arguments.
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* @param array $instance Settings for the current Archives widget instance.
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*/
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$dropdown_args = apply_filters(
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'widget_archives_dropdown_args',
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array(
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'type' => 'monthly',
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'format' => 'option',
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'show_post_count' => $count,
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),
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$instance
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);
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switch ( $dropdown_args['type'] ) {
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case 'yearly':
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$label = __( 'Select Year' );
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break;
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case 'monthly':
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$label = __( 'Select Month' );
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break;
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case 'daily':
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$label = __( 'Select Day' );
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break;
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case 'weekly':
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$label = __( 'Select Week' );
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break;
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default:
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$label = __( 'Select Post' );
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break;
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}
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$type_attr = current_theme_supports( 'html5', 'script' ) ? '' : ' type="text/javascript"';
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?>
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<option value=""><?php echo esc_html( $label ); ?></option>
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<?php wp_get_archives( $dropdown_args ); ?>
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</select>
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<script<?php echo $type_attr; ?>>
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/* <![CDATA[ */
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(function() {
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var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" );
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function onSelectChange() {
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if ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) {
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document.location.href = this.options[ this.selectedIndex ].value;
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}
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}
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dropdown.onchange = onSelectChange;
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})();
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/* ]]> */
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</script>
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<?php
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} else {
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$format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';
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/** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
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$format = apply_filters( 'navigation_widgets_format', $format );
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if ( 'html5' === $format ) {
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// The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
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$title = trim( strip_tags( $title ) );
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$aria_label = $title ? $title : $default_title;
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echo '<nav role="navigation" aria-label="' . esc_attr( $aria_label ) . '">';
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}
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?>
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<ul>
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<?php
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wp_get_archives(
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/**
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* Filters the arguments for the Archives widget.
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*
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* @since 2.8.0
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* @since 4.9.0 Added the `$instance` parameter.
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*
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* @see wp_get_archives()
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*
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* @param array $args An array of Archives option arguments.
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* @param array $instance Array of settings for the current widget.
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*/
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apply_filters(
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'widget_archives_args',
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array(
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'type' => 'monthly',
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'show_post_count' => $count,
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),
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$instance
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)
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);
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?>
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</ul>
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<?php
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if ( 'html5' === $format ) {
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echo '</nav>';
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}
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}
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echo $args['after_widget'];
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}
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/**
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* Handles updating settings for the current Archives widget instance.
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*
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* @since 2.8.0
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*
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* @param array $new_instance New settings for this instance as input by the user via
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* WP_Widget_Archives::form().
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* @param array $old_instance Old settings for this instance.
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* @return array Updated settings to save.
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$new_instance = wp_parse_args(
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(array) $new_instance,
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array(
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'title' => '',
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'count' => 0,
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'dropdown' => '',
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)
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);
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$instance['title'] = sanitize_text_field( $new_instance['title'] );
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$instance['count'] = $new_instance['count'] ? 1 : 0;
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$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
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return $instance;
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}
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/**
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* Outputs the settings form for the Archives widget.
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*
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* @since 2.8.0
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*
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* @param array $instance Current settings.
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*/
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public function form( $instance ) {
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$instance = wp_parse_args(
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(array) $instance,
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array(
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'title' => '',
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'count' => 0,
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'dropdown' => '',
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)
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);
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />
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</p>
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<p>
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<input class="checkbox" type="checkbox"<?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id( 'dropdown' ); ?>" name="<?php echo $this->get_field_name( 'dropdown' ); ?>" />
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<label for="<?php echo $this->get_field_id( 'dropdown' ); ?>"><?php _e( 'Display as dropdown' ); ?></label>
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<br/>
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<input class="checkbox" type="checkbox"<?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" />
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<label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Show post counts' ); ?></label>
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</p>
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<?php
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}
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}
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