Question

I want to apply a separate theme for each user role. I know there is option to do this from the admin side, but I want to do this programmatically.
I found an option using global $custom_theme. I changed my code as

function mymodule_config_preprocess_page(&$variables) {
global $custom_theme;   
$custom_theme = 'bluemarine';
init_theme();

}

But it is not affecting the theme .Is this required any modifications?

Pls help me

Answer 1

I think it’s too late to change the theme at the point of preprocessing variables, you’ll probably want to do this in hook_init():

function mymodule_init() {
  global $custom_theme;   
  $custom_theme = 'bluemarine';
}

As far as I know there’s no need to call init_theme() as Drupal will do this for you later on in the process, using the global $custom_theme to decide which theme to use.