How To Install Php On Ubuntu 20.04 Lts

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PHP is a server-side scripting language used to create dynamic web pages. Ubuntu 20.04 LTS is the latest long-term support release of Ubuntu. In this tutorial, we will guide you through the steps to install PHP on Ubuntu 20.04 LTS.
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Step 1: Update System Packages

Before installing PHP, it is recommended to update the system packages to their latest version. Open the terminal and run the following command:

sudo apt update && sudo apt upgrade -y

Step 2: Install PHP

To install PHP on Ubuntu 20.04 LTS, run the following command:

sudo apt install php libapache2-mod-php php-mysql

This command will install PHP along with some essential modules required for its proper functioning.

Step 3: Verify PHP Installation

To verify that PHP has been installed successfully, create a PHP file and save it in the Apache webroot directory:

sudo nano /var/www/html/info.php

Add the following code to the file:

Save and close the file. Now, open your web browser and enter the following URL:

http://localhost/info.php

This will display the PHP information page, which confirms that PHP has been installed successfully.

Step 4: Install Additional PHP Modules

Depending on your requirements, you may need to install additional PHP modules. To check the available PHP modules, run the following command:

sudo apt search php-

To install a specific module, run the following command:

sudo apt install php-[module_name]

Replace [module_name] with the name of the module you want to install.

Step 5: Configure PHP

PHP configuration files are located in the /etc/php/[version]/apache2/ directory. You can edit these files to configure PHP settings according to your requirements.

Step 6: Restart Apache

After making any changes to the PHP configuration files, you need to restart Apache for the changes to take effect. Run the following command to restart Apache:

sudo systemctl restart apache2

Step 7: Secure PHP Installation

To secure your PHP installation, it is recommended to disable the display of PHP errors. To do this, edit the /etc/php/[version]/apache2/php.ini file and set the display_errors directive to Off:

display_errors = Off

Save and close the file, and then restart Apache.

FAQs

  • Q: Can I install PHP 7.x on Ubuntu 20.04 LTS?

    • A: Yes, PHP 7.x is available in the Ubuntu 20.04 LTS repository. You can install it using the same method as described in this tutorial.

  • Q: Do I need to install Apache before installing PHP?

    • A: Yes, Apache is required to run PHP on Ubuntu. You can install Apache using the following command:

    sudo apt install apache2

  • Q: Can I install PHP modules manually?

    • A: Yes, you can install PHP modules manually using the pecl command. However, it is recommended to install modules from the Ubuntu repository using the apt command.

  • Q: How do I uninstall PHP from Ubuntu 20.04 LTS?

    • A: To uninstall PHP, run the following command:

    sudo apt remove php libapache2-mod-php php-mysql

  • Q: How do I check the PHP version installed on Ubuntu?

    • A: To check the PHP version, open the terminal and run the following command:

    php -v

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