accounting for PHP weirdness

8 years ago · 592623f0c3
1 changed files with 2 additions and 1 deletions
--- a/islandora.api.php
+++ b/islandora.api.php
@ -759,7 +759,8 @@ function hook_islandora_derivative_alter(&$derivatives, AbstractObject $object,
    'dateLastModified' => NULL,
    'dsid' => NULL,
  );
-  if (empty(array_diff_key($ds_modified_params, $mask))) {
+  $param_diff = array_diff_key($ds_modified_params, $mask);
  if (empty($param_diff)) {
    $derivatives = array();
  }
 }