Hotel Xenia: draft room amenities shortcode

function plethora_shortcode_room_amenities( $args, $content = '' ) {

    // Default shortcode arguments
    $args = wp_parse_args( $args, array(
        'post_id' => is_singular( 'room' ) ? get_the_ID() : false,
        'limit'   => 5
    ));

    if ( $args['post_id'] ) {

        $room_obj = Plethora_Theme::get_feature_instance( 'posttype', 'room' );
        $amenities = method_exists( $room_obj, 'get_room_amenities' ) ? $room_obj::get_room_amenities( $args['post_id'], $args['limit'] ) : false;
        if ( $amenities ) {
        ?>
        <div class="room_single_amenities">
         <?php foreach ( $amenities as $amenity ) { ?>
            <div class="text-center item">
                <div class="row">
                <?php switch ( $amenity['icon_type'] ) {
                    case 'library_icon': // markup for font icons
                    default:
                        ?>
                        <i data-toggle="tooltip" data-placement="top" class="<?php echo esc_attr( $amenity['icon_class'] ); ?>" data-original-title="<?php echo esc_attr( $amenity['desc'] ); ?>"></i>
                        <span><?php echo wp_kses( $amenity['title'], Plethora_Theme::allowed_html_for( 'heading' ) ); ?></span>
                        <?php
                        break;

                    case 'custom_icon': // markup for image icons
                        ?>
                        <img src="<?php echo esc_url( $amenity['icon_url'] ); ?>" data-toggle="tooltip" data-placement="top" class="<?php echo esc_attr( $amenity['icon_class'] ); ?>" data-original-title="<?php echo esc_attr( $amenity['desc'] ); ?>"/>
                        <span><?php echo wp_kses( $amenity['title'], Plethora_Theme::allowed_html_for( 'heading' ) ); ?></span>
                        <?php
                    break;
                } ?>
                </div>
            </div>
        <?php }
        }
        ?>
        </div>
        <?php
    }
}

add_shortcode( 'ple_amenities', 'plethora_shortcode_room_amenities' );