What is Composer Magento?

What is Composer Magento?

Magento 2 uses Composer, a PHP dependency manager, to package components and product editions. Composer reads a composer. json file in Magento’s root directory to download third-party dependencies listed in the file.

What is difference between Composer JSON and Composer lock?

json file is a rough guide to the dependency versions that Composer should install, the composer. lock file is an exact record of the dependency versions that have been installed. That’s right, it’s recording what Composer has installed for you, right down to the commit hash.

Where is composer installed?

To install composer globally, use the following command which will download and install Composer as a system-wide command named composer , under /usr/local/bin : sudo php composer-setup.

What are the different types of attributes in Magento?

There are two types of attributes you can use to extend Magento functionality: Custom and Entity-Attribute-Value (EAV) attributes—Custom attributes are those added on behalf of a merchant. For example, a merchant might need to add attributes to describe products, such as shape or volume.

How to design a customization in Magento 2?

How would you design a customization that should act on every request and capture output data regardless of the controller? What are pros and cons of using developer mode/production mode? When do you use default mode?

Is there way to cache EAV attributes in Magento?

Developers can cache custom EAV attributes by running the bin/magento config:set dev/caching/cache_user_defined_attributes 1 command. This can also be done from the Admin while in Develop mode by setting Stores > Settings Configuration > Advanced > Developer > Caching Settings > Cache User Defined Attributes to Yes.

How to describe how Magento processes a given URL?

Describe how Magento processes a given URL. How do you identify which module and controller corresponds to a given URL? What is necessary to create a custom URL structure? How are user-friendly URLs established, and how are they customized? How do controllers interact with another? How are different response types generated?