What does composers mean?
composers is the plural form of composer, meaning creators, composers, Composer; usually, what we call composer refers to a dependency management tool for PHP5.3 or above.
Related recommendations: [composer Tutorial]
It allows you to declare the code libraries that your project depends on, and it will install them for you in your project. Composer is not a package manager. Yes, it involves "packages" and "libraries", but it's managed on a per-project basis, with installations in some directory within your project (e.g. vendor). By default it won't install anything globally. So this is just a dependency management.
Composer is a tool used in PHP to manage dependency relationships. You can declare the external libraries (libraries) you depend on in your project, and Composer will install these dependent library files for you.
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