laracasts/Code-With-Intent — pull request #2 by TheShiftExchange (2014-03-07 12:09:22+00:00)
Title: Prevent silent errors from allowing validation

If the class_exists check fails, this will prevent the model from updating itself without validation.

Otherwise what is currently occurring is the validation fails (because it cannot find a {$class}Validator, and then it is still allowing the update to occur on the model, with no error or indication anything is wrong!