Disk Usage Sunburst

Disk Usage Sunburst 2.0 is a completely modernized WordPress plugin that visualizes your site’s disk usage through an interactive sunburst chart. Quickly identify large files and directories that may be consuming valuable storage space on your WordPress installation.

✨ New in Version 2.0

• Modern Architecture: Complete rewrite with object-oriented PHP and PSR-4 autoloading
• Enhanced Security: Proper nonce validation, capability checks, and input sanitization
• Performance Optimized: Timeout protection, memory management, and intelligent caching
• D3.js v7: Upgraded to the latest D3.js version with smooth animations and mobile support
• REST API: Full REST API endpoints for developers and external integrations
• Better UX: Responsive design, progress indicators, and detailed error reporting
• Export Options: Export charts as PNG, SVG, or raw JSON data
• WordPress 6.9+ Ready: Tested with the latest WordPress versions

🎯 Key Features

• Interactive Sunburst Chart: Click to zoom in/out through your directory structure
• Real-time Tooltips: Hover for detailed file/directory information
• Performance Settings: Configurable limits for large installations
• Cache Management: Smart caching with manual cache clearing options
• Multisite Compatible: Works seamlessly on WordPress multisite networks
• Developer Friendly: Action hooks, filters, and REST API endpoints
• Accessibility: Keyboard navigation and screen reader support

🔧 Technical Requirements

• WordPress 5.0 or higher
• PHP 7.4 or higher
• Modern browser with SVG support

🎨 How to Use

1. Navigate to Tools -> Disk Usage in your WordPress admin
2. Click “Start Scan” to analyze your installation
3. Interact with the sunburst chart:
   • Click on any arc to zoom into that directory
   • Click the center circle to zoom back out
   • Hover over arcs to see detailed information
   • Use keyboard: ESC to zoom out, Home to return to root

🔌 Developer Features

• REST API endpoints at /wp-json/disk-usage/v1/
• Action hooks: rbdusb_scan_completed, rbdusb_scan_error
• Filter hooks: rbdusb_exclude_paths, rbdusb_scan_results
• WP-CLI support (coming soon)

Questions? Contact us: support (at) raidboxes.de

Thanks

Thanks to Mike Bostock for his great “d3js”: http://d3js.org

Thanks to Mike Bostock for his awesome “Zoomable Sunburst” implementation: http://bl.ocks.org/mbostock/4348373

Thanks to Jeffrey Sambells for his “Human Readable File Size with PHP”: http://jeffreysambells.com/2012/10/25/human-readable-filesize-php

1. Upload disk-usage-sunburst.zip to the /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress
3. See it in action under Tools -> Disk Usage!

1. 

   Plugin in action

• 2.0.4: Tooltip fix

• 2.0.3: Security Fix: Sanitize file names in tooltips to prevent Stored XSS.

• 2.0.2: Increased scan limits for large websites.

2.0.0

• MAJOR UPDATE: Complete plugin rewrite with modern architecture
• New: Object-oriented PHP with PSR-4 autoloading and namespacing
• New: Enhanced security with proper nonces, capability checks, and input sanitization
• New: Performance optimizations – timeout protection, memory management, intelligent caching
• New: Upgraded to D3.js v7 with smooth animations and mobile responsiveness
• New: REST API endpoints for developers (/wp-json/disk-usage/v1/)
• New: Export functionality (PNG, SVG, JSON)
• New: Progress indicators and detailed error reporting
• New: Responsive design with accessibility improvements
• New: Developer hooks and filters for extensibility
• New: Comprehensive test suite with PHPUnit
• Improved: Better multisite compatibility with network admin integration
• Improved: Modern WordPress compatibility (tested up to 6.5)
• Improved: Enhanced user interface with better controls and statistics
• Fixed: All security vulnerabilities and performance issues from v1.x
• Requires: WordPress 5.0+, PHP 7.4+

1.1.8

• Fix: added missing readme.txt changes

1.1.7

• Fix: removing trunk/ folder from plugin source code

1.1.6

• Update: Successfully tested up to WordPress 6.1.1

1.1.5

• Update: renamed RAIDBOXES to raidboxes

1.1.3

• Update: Fixed wrong svn trunk commits

1.1.1

• Update: Removed unused resources

1.1

• Code-rework to make it more efficient and only load resources on it’s plugin page
• Made the plugin multisite compatible (Thanks to @shawfactor for his idea)
• Successfully tested up to WordPress 5.7

1.0.9

• Update: Successfully tested up to WordPress 5.3

1.0.8

• Update: Successfully tested up to WordPress 5.1.1

1.0.7

• Update: Successfully tested up to WordPress 4.8.2

1.0.6

• Update: Successfully tested up to WordPress 4.7.1

1.0.5

• Advice: If you don’t see anything, increase php time limit… This plugin is maintained!

1.0.4

• Bug fixed: browsers without SVG support didn’t see anything. Now these will get a nice red error message 😉

1.0.3

• Bug fixed: Show error message if calculation of file/directory sizes fails (e.g. because of time limit)

1.0.2

• Bug fixed: converted short array syntax to long array syntax to support PHP versions < 5.4.0 (thanks to websupporter, https://wordpress.org/support/topic/parse-error-syntax-error-unexpected-146)

1.0.1

• Code enhanced: replaced code 10 with ‘administrator’ capability when calling add_submenu_page (thanks to doume, https://wordpress.org/support/topic/v100-deprecated-argument-in-function-call)
• User Interface enhanced: tooltip follows mouse cursor when mouse is moving
• Bug fixed: the distance between tooltip and mouse cursor was dependent on the scroll position

1.0.0

• First Version