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+<?php
+/**
+ * Widget API: WP_Widget_Meta class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement a Meta widget.
+ *
+ * Displays log in/out, RSS feed links, etc.
+ *
+ * @since 2.8.0
+ *
+ * @see WP_Widget
+ */
+class WP_Widget_Meta extends WP_Widget {
+
+ /**
+ * Sets up a new Meta widget instance.
+ *
+ * @since 2.8.0
+ */
+ public function __construct() {
+ $widget_ops = array(
+ 'classname' => 'widget_meta',
+ 'description' => __( 'Login, RSS, &amp; WordPress.org links.' ),
+ 'customize_selective_refresh' => true,
+ 'show_instance_in_rest' => true,
+ );
+ parent::__construct( 'meta', __( 'Meta' ), $widget_ops );
+ }
+
+ /**
+ * Outputs the content for the current Meta 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 Meta widget instance.
+ */
+ public function widget( $args, $instance ) {
+ $default_title = __( 'Meta' );
+ $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 );
+
+ echo $args['before_widget'];
+
+ if ( $title ) {
+ echo $args['before_title'] . $title . $args['after_title'];
+ }
+
+ $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( $aria_label ) . '">';
+ }
+ ?>
+
+ <ul>
+ <?php wp_register(); ?>
+ <li><?php wp_loginout(); ?></li>
+ <li><a href="<?php echo esc_url( get_bloginfo( 'rss2_url' ) ); ?>"><?php _e( 'Entries feed' ); ?></a></li>
+ <li><a href="<?php echo esc_url( get_bloginfo( 'comments_rss2_url' ) ); ?>"><?php _e( 'Comments feed' ); ?></a></li>
+
+ <?php
+ /**
+ * Filters the "WordPress.org" list item HTML in the Meta widget.
+ *
+ * @since 3.6.0
+ * @since 4.9.0 Added the `$instance` parameter.
+ *
+ * @param string $html Default HTML for the WordPress.org list item.
+ * @param array $instance Array of settings for the current widget.
+ */
+ echo apply_filters(
+ 'widget_meta_poweredby',
+ sprintf(
+ '<li><a href="%1$s">%2$s</a></li>',
+ esc_url( __( 'https://wordpress.org/' ) ),
+ __( 'WordPress.org' )
+ ),
+ $instance
+ );
+
+ wp_meta();
+ ?>
+
+ </ul>
+
+ <?php
+ if ( 'html5' === $format ) {
+ echo '</nav>';
+ }
+
+ echo $args['after_widget'];
+ }
+
+ /**
+ * Handles updating settings for the current Meta 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'] );
+
+ return $instance;
+ }
+
+ /**
+ * Outputs the settings form for the Meta widget.
+ *
+ * @since 2.8.0
+ *
+ * @param array $instance Current settings.
+ */
+ public function form( $instance ) {
+ $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
+ ?>
+ <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>
+ <?php
+ }
+}