API Reference

Technical reference for developers including hooks, filters, and constants.

Plugin Constants

Constant	Description
`FUNCTIONALITIES_VERSION`	Current plugin version
`FUNCTIONALITIES_FILE`	Main plugin file path
`FUNCTIONALITIES_DIR`	Plugin directory path
`FUNCTIONALITIES_URL`	Plugin directory URL

File Structure

functionalities/
├── assets/
│   ├── css/                     # Stylesheets
│   └── js/                      # Scripts
├── includes/
│   ├── admin/
│   │   ├── class-admin.php      # Admin interface
│   │   ├── class-admin-ui.php   # Reusable UI helpers
│   │   └── class-module-docs.php
│   ├── features/                # Module classes
│   └── class-functionalities-loader.php
├── languages/
└── functionalities.php          # Main plugin file

Database Options

Option Name	Module
`functionalities_misc`	Performance & Cleanup
`functionalities_snippets`	Header & Footer
`functionalities_link_management`	Link Management
`functionalities_schema`	Schema Settings
`functionalities_block_cleanup`	Block Cleanup
`functionalities_content_regression`	Content Integrity
`functionalities_assumption_detection`	Assumption Detection
`functionalities_login_security`	Login Security
`functionalities_svg_icons`	SVG Icons

Security Best Practices

The plugin follows WordPress security standards:

Nonce verification on all AJAX requests
Capability checks (manage_options required)
Input sanitization with appropriate functions
Output escaping with esc_html(), esc_attr(), esc_url()
Direct file access prevention