MMDeveloper

A wordpress plugin that allows you to easily create your error log file and view your wordpress errors. Once a day it will shift your log file into a logs directory under root and datestamp it. This keeps the error files small and easier to manage.
Built by The Marketing Mix Perth: http://www.marketingmix.com.au

View WP Error Log

Steve Taylor

t1gr0u

The plugin allows to display PHP errors on the dashboard in a widget.
I’ve wrap Gyrus’s code into a plugin, you can see the original code here: 
http://sltaylor.co.uk/blog/wordpress-dashboard-widget-php-errors-log/

View WP Error Log vs PHP Errors Widget