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PHP Components

The Gluo Layout​

Gluo is split into two packages:

  • byjg/gluo — the project starter. This is what you type in composer create-project byjg/gluo my-api. After creation the project is yours: the namespace is renamed, and the files in src/, config/, db/ and docker/ belong to you.
  • byjg/gluo-core — the framework core, installed in vendor/. It provides the base classes (BaseLoginController, BaseRepository, BaseService, BaseUser), the attributes (RequireAuthenticated, RequireRole, ValidateRequest), utilities (JwtContext, OpenApiContext, FakeApiRequester), the builder (migration, OpenAPI generation, code generator) and the test harness. Improvements arrive with a plain composer update.

byjg/gluo-core is the glue ("gluo" is Esperanto for glue) that binds the byjg components into a REST architecture.

Class Dependency​

Component Description​

Your project (byjg/gluo starter)​

The starter keeps its own dependencies to a minimum:

  • byjg/gluo-core - The Gluo framework core (see below)
  • byjg/scriptify - Transform any PHP class into an executable script callable from the command line (used by composer terminal)

Everything else arrives through byjg/gluo-core, so a framework upgrade is a single composer update byjg/gluo-core.

Framework core dependencies (byjg/gluo-core)​

The core binds these byjg components together:

  • byjg/config - A very basic and minimalist PSR-11 implementation for config management and dependency injection
  • byjg/anydataset-db - Relational database abstraction layer, part of the Anydataset project
  • byjg/micro-orm - A micro framework for creating a very simple decoupled ORM
  • byjg/authuser - Simple and customizable library for user authentication using repository and service layer architecture
  • byjg/mailwrapper - Lightweight wrapper for sending email with a decoupled interface
  • byjg/restserver - Create RESTful services with customizable output handlers and auto-generate routes from swagger.json
  • byjg/swagger-test - Tools for testing REST calls based on the OpenAPI specification using PHPUnit
  • byjg/migration - Framework-agnostic database migration tool using pure SQL commands
  • byjg/jinja-php - Lightweight PHP implementation of the Jinja2 template engine (powers the code generator templates)
  • byjg/cache-engine - PSR-6 and PSR-16 cache implementation
  • byjg/serializer - Serialization utilities for JSON, XML, and YAML

Core Infrastructure Components​

These are the foundational components used by multiple dependencies:

  • byjg/anydataset - Agnostic data source abstraction layer
  • byjg/xmlutil - XML manipulation utilities
  • byjg/uri - URI manipulation and PSR-7 HTTP message support
  • byjg/jwt-wrapper - JWT token handling wrapper
  • byjg/webrequest - PSR-18 HTTP client implementation
  • byjg/convert - Conversion utilities
  • byjg/singleton-pattern - Singleton pattern implementation

Dependency Legend​

  • o--o - Required dependency (composer require)
  • Green - Your project (the byjg/gluo starter)
  • Yellow - The Gluo framework core (updatable via composer)
  • White - Component dependencies

External Dependencies​

The project also depends on several external packages:

  • zircote/swagger-php - Generate interactive documentation for RESTful APIs using PHP attributes
  • Various PSR interfaces (PSR-3, PSR-6, PSR-7, PSR-11, PSR-16, PSR-18)
  • symfony/ components (yaml, console, etc.)
  • firebase/php-jwt - JWT implementation
  • phpmailer/phpmailer - Email sending library
  • aws/aws-sdk-php - AWS SDK for PHP (used by mailwrapper)