name : class-wp-widget-archives.php <?php /** * Widget API: WP_Widget_Archives class * * @package WordPress * @subpackage Widgets * @since 4.4.0 */ /** * Core class used to implement the Archives widget. * * @since 2.8.0 * * @see WP_Widget */ class WP_Widget_Archives extends WP_Widget { /** * Sets up a new Archives widget instance. * * @since 2.8.0 */ public function __construct() { $widget_ops = array( 'classname' => 'widget_archive', 'description' => __( 'A monthly archive of your site&#8217;s Posts.' ), 'customize_selective_refresh' => true, 'show_instance_in_rest' => true, ); parent::__construct( 'archives', __( 'Archives' ), $widget_ops ); } /** * Outputs the content for the current Archives widget instance. * * @since 2.8.0 * * @param array $args Display arguments including 'before_title', 'after_title', * 'before_widget', and 'after_widget'. * @param array $instance Settings for the current Archives widget instance. */ public function widget( $args, $instance ) { $default_title = __( 'Archives' ); $title = ! empty( $instance['title'] ) ? $instance['title'] : $default_title; /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); $count = ! empty( $instance['count'] ) ? '1' : '0'; $dropdown = ! empty( $instance['dropdown'] ) ? '1' : '0'; echo $args['before_widget']; if ( $title ) { echo $args['before_title'] . $title . $args['after_title']; } if ( $dropdown ) { $dropdown_id = "{$this->id_base}-dropdown-{$this->number}"; ?> <label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label> <select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown"> <?php /** * Filters the arguments for the Archives widget drop-down. * * @since 2.8.0 * @since 4.9.0 Added the `$instance` parameter. * * @see wp_get_archives() * * @param array $args An array of Archives widget drop-down arguments. * @param array $instance Settings for the current Archives widget instance. */ $dropdown_args = apply_filters( 'widget_archives_dropdown_args', array( 'type' => 'monthly', 'format' => 'option', 'show_post_count' => $count, ), $instance ); switch ( $dropdown_args['type'] ) { case 'yearly': $label = __( 'Select Year' ); break; case 'monthly': $label = __( 'Select Month' ); break; case 'daily': $label = __( 'Select Day' ); break; case 'weekly': $label = __( 'Select Week' ); break; default: $label = __( 'Select Post' ); break; } ?> <option value=""><?php echo esc_html( $label ); ?></option> <?php wp_get_archives( $dropdown_args ); ?> </select> <?php ob_start(); ?> <script> (function() { var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" ); function onSelectChange() { if ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) { document.location.href = this.options[ this.selectedIndex ].value; } } dropdown.onchange = onSelectChange; })(); </script> <?php wp_print_inline_script_tag( wp_remove_surrounding_empty_script_tags( ob_get_clean() ) ); } else { $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml'; /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */ $format = apply_filters( 'navigation_widgets_format', $format ); if ( 'html5' === $format ) { // The title may be filtered: Strip out HTML and make sure the aria-label is never empty. $title = trim( strip_tags( $title ) ); $aria_label = $title ? $title : $default_title; echo '<nav aria-label="' . esc_attr( $aria_label ) . '">'; } ?> <ul> <?php wp_get_archives( /** * Filters the arguments for the Archives widget. * * @since 2.8.0 * @since 4.9.0 Added the `$instance` parameter. * * @see wp_get_archives() * * @param array $args An array of Archives option arguments. * @param array $instance Array of settings for the current widget. */ apply_filters( 'widget_archives_args', array( 'type' => 'monthly', 'show_post_count' => $count, ), $instance ) ); ?> </ul> <?php if ( 'html5' === $format ) { echo '</nav>'; } } echo $args['after_widget']; } /** * Handles updating settings for the current Archives widget instance. * * @since 2.8.0 * * @param array $new_instance New settings for this instance as input by the user via * WP_Widget_Archives::form(). * @param array $old_instance Old settings for this instance. * @return array Updated settings to save. */ public function update( $new_instance, $old_instance ) { $instance = $old_instance; $new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '', ) ); $instance['title'] = sanitize_text_field( $new_instance['title'] ); $instance['count'] = $new_instance['count'] ? 1 : 0; $instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0; return $instance; } /** * Outputs the settings form for the Archives widget. * * @since 2.8.0 * * @param array $instance Current settings. */ public function form( $instance ) { $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '', ) ); ?> <p> <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> <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'] ); ?>" /> </p> <p> <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' ); ?>" /> <label for="<?php echo $this->get_field_id( 'dropdown' ); ?>"><?php _e( 'Display as dropdown' ); ?></label> <br /> <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' ); ?>" /> <label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Show post counts' ); ?></label> </p> <?php } }