How to manage multiple processes with Symfony Lock

Symfony’s Lock component provides a locking mechanism to ensure that only one process is running at a time.

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Many times we are facing this issue correct? Let’s take example,

In E-commerce website, there is a “Cart” feature. User might be click many times on “Add to Cart” button, and backend logic is to add item into cart. Here there is possibilities like same product added multiple times for same user. Or User clicking from different browser for same product with same login account.

Other way, there is possibilities that product count is mismatch in database, if same request coming from client side.

This process called as Race Conditions

As a Developer, we must handle this situations from coding side. Below is Lock component explanation.

The Lock Component

Locks are used to make sure that only one process can access a shared resource at a time. In Symfony applications, you can use locks to make sure that a command doesn’t run more than once at the same time, even if it’s on different servers.

How to install?

composer require symfony/lock

Configuration

# config/packages/lock.yaml
framework…