function _media_states( $post, $echo = true ) {
	$media_states        = get_media_states( $post );
	$media_states_string = '';

	if ( ! empty( $media_states ) ) {
		$state_count = count( $media_states );

		$i = 0;

		$media_states_string .= ' — ';

		foreach ( $media_states as $state ) {
			++$i;

			$sep = ( $i < $state_count ) ? ', ' : '';

			$media_states_string .= "<span class='post-state'>$state$sep</span>";
		}
	}

	if ( $echo ) {
		echo $media_states_string;
	}

	return $media_states_string;
}