You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
Single file PHP script that adds a REST API to a SQL database
mevdscheeThe server component of API Platform: hypermedia and GraphQL APIs in minutes
api-platformGenerate OpenAPI specification for Laravel Applications
vyuldashevAn object oriented approach to generating OpenAPI specs, implemented in PHP.
goldspecdigital:hash: PHP Slack Client based on the official OpenAPI specification
jolicode