mobilemadman2/php-code-builder: JSON-schema enabled PHP code building abstraction for PHP
JSON-schema enabled PHP code building abstraction for PHP
mobilemadman2/php-json-schema: High definition PHP structures with JSON-schema based validation
Mixing JSON-LD and Microdata: All You Need to Know - WordLift Blog
Introduction to Structured Data | Search | Google Developers
The JSON-LD Markup Guide To Local Business Schema - Whitespark
Microdata, JSON-LD & Schema: Rich Snippets Guide