BlackBox Debug Bar
BlackBox is a plugin for plugin and theme developers. It collects and displays useful debug information (errors, executed queries, globals, profiler).
Plugin info
Maintenance & Compatibility
Maintenance score
Possibly abandoned • Last updated 4685 days ago • 15 reviews
Is BlackBox Debug Bar abandoned?
Possibly abandoned (last update 4685 days ago).
Compatibility
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Description
BlackBox is symfony like unobstrusive debug bar attached to the top of the browser window.
How can it help you with development:
1. instantly inspect global variables (GET, POST, COOKIE, SERVER)
2. debug both frontend and admin area
3. executed MySQL queries and time it took to execute each query (useful for finding slow queries)
4. profiler for measuring performance of your plugins and themes
5. errors occurred when loading WordPress page
Installation
This section describes how to install the plugin and get it working.
- Upload plugin to
/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu in WordPress
- Done!
Frequently Asked Questions
Review feed
Essential plugin in my developer toolset
Screenshots

Glabal variables foramted using var_export() function, syntax coloring using awesome highlight.js library (75% zoom)

Profiler tab. Displays checkpoint name, time passed since profiler start and current memory usage (75% zoom)

SQL tab. Displays each query execution time and the executed queries. Syntax highlighting using highlight.js library (75% zoom)

Errors tab. Displays error type and the error message. If the error occured more then once its type is displayed as "Notice (X)" where X is the number of error occurances.