Practitioner

Go beyond the basics with advanced OOP patterns, PHP 8.x features, PDO repositories, REST APIs, functional pipelines, generators, and a full capstone MVC framework — all without external dependencies.

Prerequisites: Complete PHP Foundations before starting Practitioner labs.

Quick Start

🐳 Docker (Recommended)

docker pull zchencow/innozverse-php:latest
docker run --rm zchencow/innozverse-php:latest php --version

🐧 Linux / macOS

Labs

Lab 01 Traits, Abstract & Interfaces

Horizontal reuse, template method, polymorphic contracts

Lab 02 Namespaces & Autoloading

PSR-4, use aliases, namespaced constants & functions

Lab 03 Advanced Error Handling

Exception hierarchy, chaining, Result type, finally

Lab 04 PDO & Repository Pattern

Prepared statements, transactions, Repository, FETCH_CLASS

Lab 05 PHP 8.x Features

match, named args, nullsafe, readonly, enums, fibers

Lab 06 Functional PHP

Closures, higher-order functions, pipeline, currying

Lab 07 Design Patterns

Singleton, Factory, Observer, Strategy, Decorator

Lab 08 Testing & TDD

Micro test runner, stubs, spies, fakes, 15 assertions

Lab 09 REST API Development

Router, middleware pipeline, JSON API, status codes

Lab 10 Generators & Fibers

Lazy evaluation, yield from, coroutines, PHP 8.1 Fibers

Lab 11 Advanced Regex

Named groups, lookahead, preg_replace_callback, log parser

Lab 12 File I/O & Streams

Stream wrappers, SplFileObject, GZIP, file locking

Lab 13 Type System

Union, nullable, intersection types, typed collections

Lab 14 JSON, XML & API Clients

JSON Schema, SimpleXML, DOMDocument, curl with retry

Lab 15 🏆 Capstone

Mini MVC framework — DI container, events, repos, 20 tests