nobuti/Codeigniter-breadcrumbs — pull request #5 by mnolte (2014-11-28 11:24:45+00:00)
Title: Only variables should be passed by reference

Got the following error while implementing your script:

E_STRICT [2048]: Only variables should be passed by reference ../application/third_party/Breadcrumbs/libraries/Breadcrumbs.php on line 103.

Fixed the issue by adding a reference.