Theme_Upgrader::current_after( bool|WP_Error $return, array $theme )

Source

File: wp-admin/includes/class-theme-upgrader.php

public function current_after( $return, $theme ) {
		if ( is_wp_error( $return ) ) {
			return $return;
		}

		$theme = isset( $theme['theme'] ) ? $theme['theme'] : '';

		// Only run if current theme.
		if ( get_stylesheet() !== $theme ) {
			return $return;
		}

		// Ensure stylesheet name hasn't changed after the upgrade:
		if ( get_stylesheet() === $theme && $theme !== $this->result['destination_name'] ) {
			wp_clean_themes_cache();
			$stylesheet = $this->result['destination_name'];
			switch_theme( $stylesheet );
		}

		// Time to remove maintenance mode. Bulk edit handles this separately.
		if ( ! $this->bulk ) {
			$this->maintenance_mode( false );
		}
		return $return;
	}