How to install PHP 5.6 on Linux system

If you need to install PHP 5.6 on your Linux system, here are the steps to install PHP 5.6:

1. Update System

Before installing PHP 5.6, You need to make sure your system is updated. Execute the following command in the terminal:

sudo apt update
sudo apt upgrade -y

2. Add PPA

PHP 5.6 is not in the default repository, so you need to add the PPA to your system. Execute the following command in the terminal:

sudo add-apt-repository ppa:ondrej/php

3. Install PHP 5.6

Once the PPA is added, you can install PHP 5.6 using the following command:

sudo apt install php5.6

Depending on your needs, you can also install other PHP 5.6 modules:

• php5.6-cli: Command Line Interface
• php5.6-common: Common Files and Libraries
• php5.6-curl: Handles cURL requests, used to interact with other websites as well as Web API
• php5.6-gd: Library for generating dynamic images
• php5.6 -intl: Extensions for internationalization and localization functionality
• php5.6-json: Library for handling JSON data
• php5.6-mbstring: Multi-byte string processing support
• php5.6-mcrypt: Encrypt and decrypt data
• php5.6-mysql: Library for interacting with MySQL database
• php5.6-opcache: Caching and optimizing PHP code To improve performance
• php5.6-readline: Library for reading user input
• php5.6-xml: Library for processing XML data

For example, to To install the php5.6-curl and php5.6-mysql modules, please execute the following command in the terminal:

sudo apt install php5.6-curl php5.6-mysql

4. Check the PHP version

After the installation is complete, you can Check the PHP version by running the following command in the terminal:

php -v

You should see PHP version 5.6.x included in the output.

Summary

The above are the steps to install PHP 5.6. If you need to rollback from a PHP 7.x version to PHP 5.6, try reversing the above steps. Please note that PHP 5.6 is deprecated, so it is recommended that you upgrade to a higher version of PHP.

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