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Jonathan Klein

Composer is the de-facto standard in the PHP community for including third-party code and autoloading your own code. This course will take you from beginner to expert with Composer in just over an hour.

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Composer is the de-facto standard in the PHP community for including third-party code and autoloading your own code. This course will take you from beginner to expert with Composer in just over an hour.

At the core of PHP development is a deep understanding of how to leverage existing code to speed up your own development. In this course, Composer: Getting Started, you will learn how to find and include third-party code using Composer. This will dramatically improve your time-to-market by allowing you to use best-of-breed software to solve common problems. First, you will learn how to include third-party code. After that, you'll take on learning how to manage internal dependencies. You'll finish up the course with an understanding of how to autoload your own code with Composer. When you are finished with this course, you will have a thorough understanding of one of the key tools in the PHP ecosystem: Composer. Software required: PHP.

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What's inside

Syllabus

Course Overview
The Basics of Composer
Including Third Party Code
Autoloading Your Code
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Composer Scripts
Publishing Your Own Composer Package

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Teaches learners how to find and include third-party code using Composer, which can dramatically improve their time-to-market by allowing them to use best-of-breed software to solve common problems
Develops skills in managing internal dependencies and understanding how to autoload their own code with Composer
Taught by Jonathan Klein, a recognized expert in the PHP community
Suitable for beginners looking to gain a thorough understanding of Composer, a key tool in the PHP ecosystem
This course requires learners to have access to a working knowledge of PHP

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Composer: Getting Started with these activities:
Review PHP development concepts
This book provides a solid foundation in PHP development concepts, which will help you understand the course material more easily.
Show steps
  • Read the first three chapters of the book.
  • Try out the examples in the book.
  • Take notes on the key concepts.
Review PHP basics
Reviewing PHP basics will help you refresh your memory on the core concepts of the language and make it easier to understand the more advanced topics covered in the course.
Browse courses on PHP
Show steps
  • Review your notes from a previous PHP course.
  • Read a PHP tutorial.
  • Take a practice quiz on PHP basics.
Follow a tutorial on how to use Composer
Following a tutorial will help you learn the basics of Composer and how to use it to manage dependencies in your PHP projects.
Browse courses on Composer
Show steps
  • Find a tutorial on Composer.
  • Follow the steps in the tutorial.
  • Try out the examples in the tutorial.
Six other activities
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Show all nine activities
Composer Knowledge Compilation
Organize and review your notes, assignments, and quizzes to reinforce the core concepts of Composer.
Show steps
  • Gather and organize your course materials
  • Review the course notes and identify key concepts
  • Summarize the important points from assignments and quizzes
Practice creating composer.json files
Creating composer.json files is a fundamental skill for using Composer. This activity will help you get comfortable with the process and improve your understanding of Composer's features.
Browse courses on Composer
Show steps
  • Create a new PHP project.
  • Use the composer command to initialize a composer.json file.
  • Add a dependency to the composer.json file.
  • Use composer to install the dependency.
Join a study group or online forum
Joining a study group or online forum will allow you to connect with other Composer users and learn from their experiences.
Browse courses on Composer
Show steps
  • Find a study group or online forum.
  • Introduce yourself and ask questions.
  • Participate in discussions and help others.
Composer Code Challenges
Solve coding challenges related to Composer to strengthen your understanding and problem-solving abilities.
Browse courses on Dependency Resolution
Show steps
  • Find online coding challenges or create your own
  • Attempt to solve the challenges using Composer concepts
  • Analyze the solutions and identify areas for improvement
Create a blog post or article about Composer
Writing about Composer will help you solidify your understanding of the tool and its benefits. It will also help you contribute to the community by sharing your knowledge.
Browse courses on Composer
Show steps
  • Choose a topic to write about.
  • Research your topic.
  • Write your blog post or article.
  • Publish your blog post or article.
Create a Composer package
Creating a Composer package will give you hands-on experience with the tool and help you understand how to share your code with others.
Browse courses on Composer
Show steps
  • Choose a project to package.
  • Create a composer.json file for your project.
  • Write the code for your project.
  • Test your project.
  • Publish your project to Packagist.

Career center

Learners who complete Composer: Getting Started will develop knowledge and skills that may be useful to these careers:
Web Developer
A Web Developer creates and maintains websites, either for an organization or as a freelance hire. They build sites from the ground up or update existing pages to optimize content and improve user experience. Composer: Getting Started can help you deepen your understanding of PHP as a Web Developer. Gaining fluency in Composer will help you to build more efficient code and optimize your workflow.
Computer Systems Analyst
Computer Systems Analysts plan, develop and implement software systems for businesses. They create the architecture and design specifications, then work with programmers to bring these designs to life. Composer: Getting Started can help your career as a Computer Systems Analyst by teaching you how to work with third-party code. This skill will help you to achieve your goals in a variety of development environments.
Back-End Developer
Back End Developers are responsible for the server-side logic of websites and applications. They work with programming languages and databases to create the functionality that users interact with. Composer: Getting Started can help your career as a Back End Developer. Composer is essential for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Database Administrator
Database Administrators implement and maintain databases, ensuring that they run smoothly and efficiently. They work with database management systems to optimize performance and security, and they may also be responsible for data recovery. Database Administrators will find use in Composer: Getting Started because a deep understanding of Composer is essential for building robust and efficient databases.
Front-End Developer
Front End Developers are responsible for the design and development of the user interface for websites and applications. They work with HTML, CSS and JavaScript to create visually appealing and user-friendly interfaces. Composer: Getting Started can help you advance your career as a Front End Developer. Composer is often used for managing third-party libraries and dependencies, which are essential for modern web development.
Data Engineer
Data Engineers design, build and manage the systems that store and process data. They work with data scientists and other stakeholders to ensure that the data is accessible, reliable and secure. Composer: Getting Started can help to advance your career as a Data Engineer. You will learn how to use Composer to manage dependencies, which is an essential skill for Data Engineers.
Software Developer
Software Developers design, develop and maintain software applications. They work with a variety of programming languages and technologies to create software that meets the needs of users. Composer: Getting Started can help to advance your career as a Software Developer. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Software Architect
Software Architects plan and design the software architecture for applications, working to ensure the successful implementation of software systems. Composer: Getting Started may be useful to your career as a Software Architect. Composer is the industry standard, offering a variety of features and tools to enhance the design and development of your software.
DevOps Engineer
DevOps Engineers work to bridge the gap between development and operations teams. They are responsible for automating and streamlining the software development lifecycle, and they often work with a variety of tools and technologies. Composer: Getting Started may be useful for your career as a DevOps Engineer. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Full Stack Engineer
Full Stack Engineers are responsible for the entire software development lifecycle, from design and development to deployment and maintenance. They work with both the front-end and back-end of software applications, which means they need a strong foundation in a variety of programming languages and technologies. Composer: Getting Started can be useful for your career as a Full Stack Engineer. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Web Designer
Web Designers create the visual appearance of websites and applications. They work with colors, fonts and images to create a visually appealing and user-friendly experience. Composer: Getting Started may be useful to your career as a Web Designer. Composer is oftne used by web development teams to manage third-party libraries and dependencies.
UX Designer
UX Designers focus on the user experience of websites and applications. They work to ensure that websites are easy to use and navigate. Composer: Getting Started may be useful as a UX Designer. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Project Manager
Project Managers plan and execute projects, ensuring that they are completed on time and within budget. They work with a variety of stakeholders to ensure that projects are successful. Composer: Getting Started may be useful as a Project Manager. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Data Scientist
Data Scientists use data to solve business problems. They work with a variety of statistical and machine learning techniques to extract insights from data. Composer: Getting Started may be useful as a Data Scientist. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.
Information Security Analyst
Information Security Analysts protect computer systems and networks from cyberattacks. They work with a variety of security tools and technologies to identify and mitigate security risks. Composer: Getting Started may be useful as an Information Security Analyst. Composer is a popular tool for managing dependencies in PHP projects, and understanding how to use it is essential for modern web development.

Reading list

We've selected eight books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Composer: Getting Started.
While not specific to Composer, this book covers software design principles and best practices that are applicable to Composer development
Provides a solid understanding of PHP object-oriented programming, which is essential for working with Composer
Provides guidance on writing clean, maintainable code, which is essential for Composer development
Covers domain-driven design principles, which can be applied to Composer package design
While not specific to Composer, this book provides a humorous and engaging introduction to PHP

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