How To Install php-symfony-validator on Ubuntu 18.04
Introduction
In this tutorial we learn how to install php-symfony-validator on Ubuntu 18.04.
What is php-symfony-validator
php-symfony-validator is:
The Symfony Validator Component validates PHP objects against validation rules defined for their classes, which can be specified using XML, YAML, PHP or annotations. It is inspired by the JSR-303.
Symfony is a PHP framework, a set of tools and a development methodology.
There are three methods to install php-symfony-validator on Ubuntu 18.04. 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-symfony-validator 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-symfony-validator using apt-get by running the following command:
sudo apt-get -y install php-symfony-validator
Install php-symfony-validator Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install php-symfony-validator using apt by running the following command:
sudo apt -y install php-symfony-validator
Install php-symfony-validator 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-symfony-validator using aptitude by running the following command:
sudo aptitude -y install php-symfony-validator
How To Uninstall php-symfony-validator on Ubuntu 18.04
To uninstall only the php-symfony-validator package we can use the following command:
sudo apt-get remove php-symfony-validator
Uninstall php-symfony-validator And Its Dependencies
To uninstall php-symfony-validator and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove php-symfony-validator
Remove php-symfony-validator Configurations and Data
To remove php-symfony-validator configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge php-symfony-validator
Remove php-symfony-validator configuration, data, and all of its dependencies
We can use the following command to remove php-symfony-validator configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge php-symfony-validator
References
Summary
In this tutorial we learn how to install php-symfony-validator package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.