How To Install php-pear on Ubuntu 18.04

In this tutorial we learn how to install php-pear on Ubuntu 18.04. php-pear is PEAR Base System

Introduction

In this tutorial we learn how to install php-pear on Ubuntu 18.04.

What is php-pear

php-pear is:

The PEAR package contains:

  • the PEAR installer, for creating, distributing and installing packages
  • the PEAR_Exception PHP error handling mechanism
  • the PEAR_ErrorStack advanced error handling mechanism
  • the PEAR_Error error handling mechanism
  • the OS_Guess class for retrieving info about the OS where PHP is running on
  • the System class for quick handling of common operations with files and directories
  • the PEAR base class Features in a nutshell:
  • full support for channels
  • pre-download dependency validation
  • new package.xml 2.0 format allows tremendous flexibility while maintaining BC
  • support for optional dependency groups and limited support for sub-packaging
  • robust dependency support
  • full dependency validation on uninstall
  • remote install for hosts with only ftp access - no more problems with restricted host installation
  • full support for mirroring
  • support for bundling several packages into a single tarball
  • support for static dependencies on a url-based package
  • support for custom file roles and installation tasks

There are three methods to install php-pear 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-pear 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-pear using apt-get by running the following command:

sudo apt-get -y install php-pear

Install php-pear Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install php-pear

Install php-pear 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-pear using aptitude by running the following command:

sudo aptitude -y install php-pear

How To Uninstall php-pear on Ubuntu 18.04

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

sudo apt-get remove php-pear

Uninstall php-pear And Its Dependencies

To uninstall php-pear and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove php-pear

Remove php-pear Configurations and Data

To remove php-pear configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge php-pear

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

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

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

References

Summary

In this tutorial we learn how to install php-pear package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.