LogPress

This plugin will help you to debug and speedup development of wordpress plugins and themes. Besides loggin PHP error it can log a bunch of other things to help you make your website better.

For an preview video of the plugin, take a look at this video:
Logpress backend overview

Features

• Log PHP errors
• Choose log level
• Log SQL queries (Logging SQL queries)
• Log login attempts
• Log use of deprecated functions
• Firebug integration
• Log hack attempts like XSS and SQL injections
• Log page visits for frontend and/or backend
• Download log files
• View log files
• Delete log files
• Function to write line to log

Plugin and theme debugging

You can also use the logpress function to write a line to the logfile. This can be very handy to view the content of a specific variable or object while developing a theme or plugin. View this video for an example:

How to use Logpress function