WordPress/wp-includes/widgets/class-wp-widget-archives.php

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<?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
* @access public
*/
public function __construct() {
$widget_ops = array(
'classname' => 'widget_archive',
'description' => __( 'A monthly archive of your site&#8217;s Posts.' ),
'customize_selective_refresh' => true,
);
parent::__construct('archives', __('Archives'), $widget_ops);
}
/**
* Outputs the content for the current Archives widget instance.
*
* @since 2.8.0
* @access public
*
* @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 ) {
$c = ! empty( $instance['count'] ) ? '1' : '0';
$d = ! empty( $instance['dropdown'] ) ? '1' : '0';
/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Archives' ) : $instance['title'], $instance, $this->id_base );
echo $args['before_widget'];
if ( $title ) {
echo $args['before_title'] . $title . $args['after_title'];
}
if ( $d ) {
$dropdown_id = "{$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" onchange='document.location.href=this.options[this.selectedIndex].value;'>
<?php
/**
* Filters the arguments for the Archives widget drop-down.
*
* @since 2.8.0
*
* @see wp_get_archives()
*
* @param array $args An array of Archives widget drop-down arguments.
*/
$dropdown_args = apply_filters( 'widget_archives_dropdown_args', array(
'type' => 'monthly',
'format' => 'option',
'show_post_count' => $c
) );
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_attr( $label ); ?></option>
<?php wp_get_archives( $dropdown_args ); ?>
</select>
<?php } else { ?>
<ul>
<?php
/**
* Filters the arguments for the Archives widget.
*
* @since 2.8.0
*
* @see wp_get_archives()
*
* @param array $args An array of Archives option arguments.
*/
wp_get_archives( apply_filters( 'widget_archives_args', array(
'type' => 'monthly',
'show_post_count' => $c
) ) );
?>
</ul>
<?php
}
echo $args['after_widget'];
}
/**
* Handles updating settings for the current Archives widget instance.
*
* @since 2.8.0
* @access public
*
* @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
* @access public
*
* @param array $instance Current settings.
*/
public function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
$title = sanitize_text_field( $instance['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 $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($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
}
}