Adding a Subtitle to Genesis Featured CPT Widget Plugin

add-subtitle-genesis-featured-cpt-widget.php

//* Create a field for subtitle
		<p>
    		<label for="<?php echo esc_attr( $this->get_field_id( 'subtitle' ) ); ?>"> 
        	<?php _e( 'Subtitle:', 'featured-custom-post-type-widget-for-genesis' ); ?> 
    		</label>
    		<input type="text" id="<?php echo esc_attr( $this->get_field_id( 'subtitle' ) ); ?>" 
           name="<?php echo esc_attr( $this->get_field_name( 'subtitle' ) ); ?>" 
           value="<?php echo esc_attr( $instance['subtitle'] ); ?>" 
           class="widefat" />
		</p>
    
//* Save the subtitle input
    $new_instance['subtitle'] = strip_tags( $new_instance['subtitle'] );

//* Output the subtitle
    	if ( ! empty( $instance['subtitle'] ) ) {
        	echo '<p class="widget-subtitle blog-subtitle">' . esc_html( $instance['subtitle'] ) . '</p>';
}