How To Install php-codesniffer on Ubuntu 20.04

In this tutorial we learn how to install php-codesniffer on Ubuntu 20.04. php-codesniffer is PHP, CSS and JavaScript coding standard analyzer and checker

Introduction

In this tutorial we learn how to install php-codesniffer on Ubuntu 20.04.

What is php-codesniffer

php-codesniffer is:

PHP_CodeSniffer is a set of two PHP scripts; the main phpcs script that tokenizes PHP, JavaScript and CSS files to detect violations of a defined coding standard, and a second phpcbf script to automatically correct coding standard violations. PHP_CodeSniffer is an essential development tool that ensures your code remains clean and consistent.

There are three methods to install php-codesniffer on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install php-codesniffer Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install php-codesniffer using apt-get by running the following command:

sudo apt-get -y install php-codesniffer

Install php-codesniffer Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install php-codesniffer using apt by running the following command:

sudo apt -y install php-codesniffer

Install php-codesniffer Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install php-codesniffer using aptitude by running the following command:

sudo aptitude -y install php-codesniffer

How To Uninstall php-codesniffer on Ubuntu 20.04

To uninstall only the php-codesniffer package we can use the following command:

sudo apt-get remove php-codesniffer

Uninstall php-codesniffer And Its Dependencies

To uninstall php-codesniffer and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove php-codesniffer

Remove php-codesniffer Configurations and Data

To remove php-codesniffer configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge php-codesniffer

Remove php-codesniffer configuration, data, and all of its dependencies

We can use the following command to remove php-codesniffer configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge php-codesniffer

References

Summary

In this tutorial we learn how to install php-codesniffer package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.