format changes

includes/utilities.inc

@@ -400,7 +400,7 @@ function islandora_get_datastreams_requirements_from_content_model(FedoraObject
   $xml = new SimpleXMLElement($object[DS_COMP_STREAM]->content);
   foreach ($xml->dsTypeModel as $ds) {
     $dsid = (string) $ds['ID'];
-    $optional = drupal_strtolower((string) $ds['optional']);
+    $optional = strtolower((string) $ds['optional']);
     $mime = array();
     foreach ($ds->form as $form) {
       $mime[] = (string) $form['MIME'];
@@ -731,7 +731,7 @@ function islandora_get_content_models($ignore_system_namespace = TRUE) {
     $label = $result['label']['value'];
     $namespace = islandora_get_namespace($content_model);
     $ignore = $ignore_system_namespace && $namespace == 'fedora-system';
-    $ignore |= ! islandora_namespace_accessible($namespace);
+    $ignore |= !islandora_namespace_accessible($namespace);
     if (!$ignore) {
       $content_models[$content_model] = array('pid' => $content_model, 'label' => $label);
     }