public function image_size( $args, $assoc_args ) {
		$assoc_args = array_merge(
			array(
				'fields' => 'name,width,height,crop,ratio',
			),
			$assoc_args
		);

		$sizes = $this->get_registered_image_sizes();

		usort(
			$sizes,
			function( $a, $b ) {
				if ( $a['width'] === $b['width'] ) {
					return 0;
				}
				return ( $a['width'] < $b['width'] ) ? 1 : -1;
			}
		);
		array_unshift(
			$sizes,
			array(
				'name'   => 'full',
				'width'  => '',
				'height' => '',
				'crop'   => 'N/A',
				'ratio'  => 'N/A',
			)
		);
		WP_CLI\Utils\format_items( $assoc_args['format'], $sizes, explode( ',', $assoc_args['fields'] ) );
	}