Ensures that the desired language is available.

When extracting field datat if a specific language is provided, then we need to make sure that if the data is not available in the language specified, then return NULL and exit out of the function otherwise we will get PHP warnings.

Author: Diego Lorenzo

lib/modules/dosomething/dosomething_helpers/dosomething_helpers.module

@@ -118,6 +118,10 @@ function dosomething_helpers_extract_field_data($field, $language = LANGUAGE_NON
     }
     // ---
 
+    if (!array_key_exists($language, $field)) {
+      return NULL;
+    }
+
     $data = $field[$language];
 
     $values = array();

lib/themes/dosomething/paraneue_dosomething/includes/preprocess.inc

@@ -150,15 +150,18 @@ function paraneue_dosomething_preprocess_page(&$vars) {
     $header_vars = array(
       'title' => drupal_get_title(),
     );
+
     // If there's a subtitle field on this node, send it to the header
     global $user;
+
     if ($user->uid) {
       $language = $user->language;
     }
     else {
       $code = dosomething_global_get_current_country_code();
       $language = dosomething_global_convert_country_to_language($code);
     }
+
     $field_data = dosomething_helpers_extract_field_data($vars['node']->field_subtitle, $language);
     if (isset($field_data)) {
       $header_vars['subtitle'] = $field_data;