class-wp-widget-meta.php
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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, & 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
}
}