Issue #3040903 by Pancho, Liam Morland: Create fillpdf_template_scheme()

fillpdf.module

@@ -2070,6 +2070,18 @@ function fillpdf_scheme_options() {
   return $options;
 }
 
+/**
+ * Returns the configured template scheme for FillPDF.
+ *
+ * Template files are less sensitive, so if the configured FillPDF template
+ * scheme is unavailable, we may fall back to the system's file default scheme.
+ */
+function fillpdf_template_scheme() {
+  $template_scheme = variable_get('fillpdf_scheme');
+  $scheme_options = fillpdf_scheme_options();
+  return $template_scheme && isset($scheme_options[$template_scheme]) ? $template_scheme : variable_get('file_default_scheme', 'public');
+}
+
 /**
  * Returns the default scheme for PDF files populated by FillPDF.
  *