1.

What is a composer?

Answer»

Composer is a tool for dependency management in PHP. It allows you to DECLARE the LIBRARIES your project depends on and it will manage (install/update) them for you. It is a dependency manager

  • It enables you to declare the libraries you depend on.
  • Finds out which versions of which packages can and need to be installed, and installs them (meaning it downloads them into your project).
    • composer INIT - to launch a wizard
    • composer require - to add a dependency, also creates a composer.json to manage dependencies
    • composer.lock - this file ensures that everyone in the project uses the same version of the packages by not allowing newer versions to be downloaded


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