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<?php /** * Widget API: WP_Widget_Pages class * * @package WordPress * @subpackage Widgets * @since 4.4.0 / /* * Core class used to implement a Pages widget. * * @since 2.8.0 * * @see WP_Widget / class WP_Widget_Pages extends WP_Widget { /* * Sets up a new Pages widget instance. * * @since 2.8.0 / public function __construct() { $widget_ops = array( 'classname' => 'widget_pages', 'description' => __( 'A list of your site’s Pages.' ), 'customize_selective_refresh' => true, ); parent::__construct( 'pages', __( 'Pages' ), $widget_ops ); } /* * Outputs the content for the current Pages 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 Pages widget instance. / public function widget( $args, $instance ) { $title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Pages' ); /* * Filters the widget title. * * @since 2.6.0 * * @param string $title The widget title. Default 'Pages'. * @param array $instance Array of settings for the current widget. * @param mixed $id_base The widget ID. / $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); $sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby']; $exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude']; if ( $sortby == 'menu_order' ) { $sortby = 'menu_order, post_title'; } /* * Filters the arguments for the Pages widget. * * @since 2.8.0 * @since 4.9.0 Added the `$instance` parameter. * * @see wp_list_pages() * * @param array $args An array of arguments to retrieve the pages list. * @param array $instance Array of settings for the current widget. / $out = wp_list_pages( apply_filters( 'widget_pages_args', array( 'title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude, ), $instance ) ); if ( ! empty( $out ) ) { echo $args['before_widget']; if ( $title ) { echo $args['before_title'] . $title . $args['after_title']; } ?> <ul> <?php echo $out; ?> </ul> <?php echo $args['after_widget']; } } /* * Handles updating settings for the current Pages widget instance. * * @since 2.8.0 * * @param array $new_instance New settings for this instance as input by the user via * WP_Widget::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; $instance['title'] = sanitize_text_field( $new_instance['title'] ); if ( in_array( $new_instance['sortby'], array( 'post_title', 'menu_order', 'ID' ) ) ) { $instance['sortby'] = $new_instance['sortby']; } else { $instance['sortby'] = 'menu_order'; } $instance['exclude'] = sanitize_text_field( $new_instance['exclude'] ); return $instance; } /* * Outputs the settings form for the Pages widget. * * @since 2.8.0 * * @param array $instance Current settings. */ public function form( $instance ) { //Defaults $instance = wp_parse_args( (array) $instance, array( 'sortby' => 'post_title', 'title' => '', 'exclude' => '', ) ); ?> <p> <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:' ); ?></label> <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" /> </p> <p> <label for="<?php echo esc_attr( $this->get_field_id( 'sortby' ) ); ?>"><?php _e( 'Sort by:' ); ?></label> <select name="<?php echo esc_attr( $this->get_field_name( 'sortby' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'sortby' ) ); ?>" class="widefat"> <option value="post_title"<?php selected( $instance['sortby'], 'post_title' ); ?>><?php _e( 'Page title' ); ?></option> <option value="menu_order"<?php selected( $instance['sortby'], 'menu_order' ); ?>><?php _e( 'Page order' ); ?></option> <option value="ID"<?php selected( $instance['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option> </select> </p> <p> <label for="<?php echo esc_attr( $this->get_field_id( 'exclude' ) ); ?>"><?php _e( 'Exclude:' ); ?></label> <input type="text" value="<?php echo esc_attr( $instance['exclude'] ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'exclude' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'exclude' ) ); ?>" class="widefat" /> <br /> <small><?php _e( 'Page IDs, separated by commas.' ); ?></small> </p> <?php } }