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I've some problem with themes and preprocess functions.

I see that, if I declare a variable in, for example, MYTHEME_preprocess_region(&$vars), this variable is available ONLY in region.tpl.php (I'm using Omega). But in preprocess_region and region.tpl there is the $vars['node'] variable (if I'm displaying a node), so in these functions I can't create variable based on $node.

In my example, the $vars['node'] variable is available in preprocess_page and preprocess_node.

The question is: if I want to add on region.tpl.php (or preprocess_region) a variable based on $node how should I do?

The "general" question is: how can I declare a variable in a theme function, in template.php, and let this function available in other functions?

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1 Answer

up vote 1 down vote

Hm...

First of all you should controll order of preprocess functions execution.

preprocess_block executes easlier than preprocess_region, preprocess_region earlier than preprocess_node, and so on...

In first preprocess, you should declare static variable, like here.

$var = &drupal_static('variable_name_that_will_be_placed_in_static_stack');
if (!isset($var)) {
  $var = $value_to_store;
}

So, you can access this var from later executed functions.

$var = &drupal_static('variable_name_that_will_be_placed_in_static_stack');

As for your problem, it's more easy to get node from menu_router:

theme_preprocess_region(&$vars)
  $node = menu_get_object();
  if ($node) {
    // get required value
  }
}
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This could be a solution, but it's a "general" solution, I would like to do this in a "theme" way. However I'll try it thanks! – arrubiu Apr 9 at 13:59

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