This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Debug Bar Custom Info


This plugin adds an extra panel to Debug Bar plugin that allows developers to output custom debug info.

Developers can log any variable to see its value when running PHP in WordPress. This helps developers see the real-time values of variables. It works exactly like console.log() in browsers.

How to add custom debug info

Add the following code wherever you want to debug a variable:

do_action( 'add_debug_info', $var, $label );

where $var can has any data type.

  • If $var is a string or any simple value, the value is outputted directly.
  • If $var is an array or object, the output is the same as print_r( $var ).

And $label is the description label (optional).

How to view debug info

  • Click on Debug Bar in the top right of the admin bar
  • Select Custom Info panel (see screenshots)

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  • Custom Info Panel


  1. Unzip the download package
  2. Upload debug-bar-custom-info to the /wp-content/plugins/ directory
  3. Activate the plugin through the ‘Plugins’ menu in WordPress


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Contributors & Developers

“Debug Bar Custom Info” is open source software. The following people have contributed to this plugin.




  • Add 2nd param “label” to do_action


  • Use do_action to prevent fatal error when plugin files is not loaded


  • First release