How to install php5.6 on Linux system

Step 1: Check your system

Before installing PHP 5.6, we need to make sure that our system has installed the Apache web server, MySQL database and Additional dependencies required by PHP. We can use the following command to check whether these services are available:

sudo service apache2 status
sudo service mysql status
sudo apt-get install libapache2-mod-php5

If one or more services are not started or installed in the above command, you must install or start them before continuing with the installation.

Step 2: Add PPA

We need to add a PPA so that we can get the installation package of PHP 5.6 on Ubuntu. Run the following command to add the PPA:

sudo add-apt-repository ppa:ondrej/php

Step 3: Update the package list

After adding the PPA, we need to update the package list to ensure we get the latest version of all software packages. Update the package list using the following command:

sudo apt-get update

Step 4: Install PHP 5.6

Now that we have the PPA and updated the package list we can use the following Command to install PHP 5.6:

sudo apt-get install php5.6

Please note that when installing PHP 5.6, you will get other PHP related packages such as php5.6-cli and php5.6-common.

Step 5: Test Installation

After completing the installation, we can check the PHP version to ensure the installation was successful. Use the following command to check the PHP version:

php -v

If you successfully installed PHP 5.6, it will show you the PHP version and other related information.

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