Using Error Handler Customizing Error Display
Yii includes a built-in error handler which makes error handling a much more pleasant experience than before. In particular, the Yii error handler does the following to improve error handling:
All non-fatal PHP errors (e.g. warnings, notices) are converted into catchable exceptions. Exceptions and fatal PHP errors are displayed with detailed call stack information and source code lines in debug mode. Supports using a dedicated controller action to