Installing PHP on CentOS 7

To install PHP on CentOS 7, you can follow the below steps:

1. Open the terminal on your CentOS 7 machine.
2. Update the package manager by running the command: sudo yum update.
3. Install the necessary packages for PHP by running the command: sudo yum install php.
4. Confirm the installation by running the command: php -v. This will display the PHP version installed.
5. Once PHP is installed, you can install additional modules if required. Commonly used modules include MySQL, GD, and Curl.
   To install the MySQL module, run the command: sudo yum install php-mysql.
   To install the GD module, run the command: sudo yum install php-gd.
   To install the Curl module, run the command: sudo yum install php-curl.
6. After installing any additional modules, restart the web server by running the command: sudo systemctl restart httpd.

PHP is a popular server-side scripting language that is widely used for web development. It provides a robust platform for creating dynamic web pages and applications. With PHP, you can easily interact with databases, handle form data, generate dynamic content, and much more. It is commonly used in combination with HTML and CSS to create dynamic and interactive websites. Additionally, PHP can be integrated with various databases like MySQL, PostgreSQL, and Oracle to build powerful web applications.