Introduction

Composer is PHP’s most commonly used dependency manager. It’s analogous to npm in Node, pip for Python, or NuGet for .NET.

Syntax

• php path/to/composer.phar [command] [options] [arguments]

Parameters

Parameter | Details | —— | —— | license | Defines the type of license you want to use in the Project. | authors | Defines the authors of the project, as well as the author details. | support | Defines the support emails, irc channel, and various links. | require | Defines the actual dependencies as well as the package versions. | require-dev | Defines the packages necessary for developing the project. | suggest | Defines the package suggestions, i.e. packages which can help if installed. | autoload | Defines the autoloading policies of the project. | autoload-dev | Defines the autoloading policies for developing the project. |

Remarks

Autoloading will only work for libraries that specify autoload information. Most libraries do and will adhere to a standard such as PSR-0 or PSR-4.

Helpful Links

• Packagist – Browse available packages (which you can install with Composer).
• Official Documentation
• Official Getting Started guide

Few Suggestions

1. Disable xdebug when running Composer.
2. Do not run Composer as root. Packages are not to be trusted.

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