You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.
squizlabs💥 Collision is a beautiful error reporting tool for command-line applications
nunomaduro🖥 Build beautiful PHP CLI menus. Simple yet Powerful. Expressive DSL.
php-school