dateconverter.php

<?php

class HamroPatro_DateConverter_Widget extends WP_Widget {

    // Main constructor
    public function __construct()
    {
        parent::__construct(
            'hamropatro_date_converter_widget',
            __('Hamro Patro Date Converter', 'hamro-nepali-patro-calendar'),
            array('customize_selective_refresh' => true)
        );
    }

    // The widget form (for the backend )
    public function form($instance)
    {

        // Set widget defaults
        $defaults = array(
            'title' => ''
        );

        // Parse current settings with defaults
        extract(wp_parse_args((array) $instance, $defaults));?>

		<?php // Widget Title ?>
		<p>
			<label for="<?php echo esc_attr($this->get_field_id('title')); ?>"><?php _e('Title', 'hamro-nepali-patro-calendar');?></label>
			<input class="widefat" id="<?php echo esc_attr($this->get_field_id('title')); ?>" name="<?php echo esc_attr($this->get_field_name('title')); ?>" type="text" value="<?php echo esc_attr($title); ?>" />
		</p>
	<?php }

    // Update widget settings
    public function update($new_instance, $old_instance)
    {
        $instance = $old_instance;
        $instance['title'] = isset($new_instance['title']) ? wp_strip_all_tags($new_instance['title']) : '';
        return $instance;
    }

    // Display the widget
    public function widget($args, $instance)
    {

        extract($args);

        // Check the widget options
        $title = isset($instance['title']) ? apply_filters('widget_title', $instance['title']) : '';

        // WordPress core before_widget hook (always include )
        echo $before_widget;

        // Display the widget
        echo '<div class="widget-text hamro-patro-dateconverter">';

        // Display widget title if defined
        if ($title) {
            echo $before_title . $title . $after_title;
        }
            echo do_shortcode('[hamropatro-dateconverter]');
        
        echo '</div>';

        // WordPress core after_widget hook (always include )
        echo $after_widget;

    }

}