EllisLab/CodeIgniter — pull request #3175 by caseyh (2014-08-11 12:35:38+00:00)
Title: Altered CSRF whitelist matching to allow for simple, robust exclusions

Uses stripos to match a request URI to a whitelisted uri from position 0 following the base url. Allows for GET parameters and additional segments to follow a whitelisted URI, without requiring regex.