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Editing: class-wp-widget-calendar.php
<?php /** * Widget API: WP_Widget_Calendar class * * @package WordPress * @subpackage Widgets * @since 4.4.0 */ /** * Core class used to implement the Calendar widget. * * @since 2.8.0 * * @see WP_Widget */ class WP_Widget_Calendar extends WP_Widget { /** * Ensure that the ID attribute only appears in the markup once * * @since 4.4.0 * @var int */ private static $instance = 0; /** * Sets up a new Calendar widget instance. * * @since 2.8.0 */ public function __construct() { $widget_ops = array( 'classname' => 'widget_calendar', 'description' => __( 'A calendar of your site’s posts.' ), 'customize_selective_refresh' => true, 'show_instance_in_rest' => true, ); parent::__construct( 'calendar', __( 'Calendar' ), $widget_ops ); } /** * Outputs the content for the current Calendar widget instance. * * @since 2.8.0 * * @param array $args Display arguments including 'before_title', 'after_title', * 'before_widget', and 'after_widget'. * @param array $instance The settings for the particular instance of the widget. */ public function widget( $args, $instance ) { $title = ! empty( $instance['title'] ) ? $instance['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 . $args['after_title']; } if ( 0 === self::$instance ) { echo '<div id="calendar_wrap" class="calendar_wrap">'; } else { echo '<div class="calendar_wrap">'; } get_calendar(); echo '</div>'; echo $args['after_widget']; ++self::$instance; } /** * Handles updating settings for the current Calendar 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 Calendar 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 } }
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