public ThemeHandler::install(array $theme_list, $install_dependencies = TRUE)
Installs a given list of themes.
Parameters
array $theme_list: An array of theme names.
bool $install_dependencies: (optional) If TRUE, dependencies will automatically be installed in the correct order. This incurs a significant performance cost, so use FALSE if you know $theme_list is already complete and in the correct order.
Return value
bool Whether any of the given themes have been installed.
Throws
\Drupal\Co