#1567790 - Fixing major bug with cache clearing and empty settings.

page_title.module

@@ -637,6 +637,16 @@ function page_title_preprocess_html(&$vars) {
  * Implement hook_init().
  */
 function page_title_init() {
+  // Make sure our API includes are included on all page loads.
+  page_title_include_api_files();
+}
+
+
+/**
+ * Function to ensure API files are included.
+ * We use a static variable so we can use include, which is faster than include_one
+ */
+function page_title_include_api_files() {
   // Using $runonce, we can ensure the include code below only gets run once.
   $runonce = &drupal_static(__FUNCTION__, FALSE);
   if ($runonce) return;
@@ -807,7 +817,12 @@ function page_title_get_settings($flush = FALSE) {
     return $cache->data;
   }
 
-  // Get the settings from hoko_page_title_settings().
+  // We run this here as there are edge cases where it seems hook_init() and
+  // cache clearing intefere with each other, casuing INC files to not be included
+  // See: http://drupal.org/node/1567790
+  page_title_include_api_files();
+
+  // Get the settings from hook_page_title_settings().
   $settings = module_invoke_all('page_title_settings');
 
   // For each setting, apply a "default" mask (this makes it easier to use