bp_is_group_creation_step_complete( array $step_slugs )

function bp_is_group_creation_step_complete( $step_slugs ) {
	$bp = buddypress();

	if ( !isset( $bp->groups->completed_create_steps ) ) {
		return false;
	}

	if ( is_array( $step_slugs ) ) {
		$found = true;

		foreach ( (array) $step_slugs as $step_slug ) {
			if ( !in_array( $step_slug, $bp->groups->completed_create_steps ) ) {
				$found = false;
			}
		}

		return $found;
	} else {
		return in_array( $step_slugs, $bp->groups->completed_create_steps );
	}

	return true;
}