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How to add CLI commands

Overview of adding CLI commands

Magento enables your component to add commands to our Symfony-like command-line interface (CLI).

About the Magento CLI

Magento has one command-line interface that performs both installation and configuration tasks: <your Magento install dir>/bin/magento. The new interface performs multiple tasks, including:

  • Installing Magento (and related tasks such as creating or updating the database schema, creating the deployment configuration, and so on)
  • Clearing the cache
  • Managing indexes, including reindexing
  • Creating translation dictionaries and translation packages
  • Generating non-existent classes such as factories and interceptors for plug-ins, generating the dependency injection configuration for the object manager.
  • Deploying static view files
  • Creating CSS from LESS

Other benefits:

  • A single command (php <your Magento install dir>/bin/magento list) lists all available installation and configuration commands
  • Consistent user interface based on Symfony
  • The CLI is extensible so third party developers can "plug in" to it
    This has the additional benefit of eliminating users' learning curve
  • Commands for disabled modules do not display.

Prerequisites

Before you begin, make sure you understand the following:

Add CLI commands using dependency injection

The Magento 2 sample modules provide a demonstration of many programming techniques, including adding a CLI command using dependency injection . Look at the sample-module-command for an example. The module’s README.md discusses how to install it.

Following is a summary of the process:

  1. Create a Command class (the recommended location is <your component root dir>/Console/Command).

    See app/code/Magento/CommandExample/Console/Command for examples.

  2. Declare your Command class in Magento\Framework\Console\CommandListInterface using dependency injection (<your component root dir>/etc/di.xml).
  3. Clean the cache and compiled code directories:

    cd <your Magento install dir>/var
    rm -rf cache/* page_cache/* di/* generation/* 
    

Add CLI commands using the Composer autoloader

To be added at a later time.

Command naming guidelines