A simple and easy-to-understand PHP installation guide

PHP (Hypertext Preprocessor) is an open source server-side scripting language commonly used with HTML to create dynamic web pages. If you want to test PHP code on your own computer, then you need to install PHP on your computer. So, how to install it? Below is a simple and easy to follow PHP installation guide.

1. Download PHP

First of all, you need to download the latest version of PHP from the PHP official website (http://www.php.net/downloads.php), here we Take PHP 7.2.2 as an example. On the download page, you can choose to download a zip or tar.gz file. If you are using a Windows operating system, it is recommended to download the zip file. If you are using a Linux operating system, it is recommended to download the tar.gz file.

2. Installing PHP

Installation steps under Windows operating system:

a. Unzip the file

Create a new one in the C drive folder, such as C:\Programme Files\PHP, and unzip the downloaded zip file into this folder.

b. Configure the php.ini file

Find the php.ini-development file in the PHP folder, rename it to php.ini, and make the necessary modifications in it. For example, you may need to modify the timezone attribute to match your time zone.

c. Configure environment variables

Open the control panel, select System and Security, select System, select Advanced System Settings in the left menu, select Environment Variables, and find Path in the system variables. Click the Edit button and add the path to the PHP folder in the variable value, for example, C:\Programme Files\PHP.

d. Test installation

Open the command prompt, enter php -v and press Enter. If the PHP version information pops up, it means that PHP has been successfully installed.

Installation steps under Linux operating system:

a. Install necessary software

Enter the following command in the terminal:

sudo apt-get update

sudo apt-get install apache2 php libapache2-mod-php

This command will install the Apache web server, as well as PHP and an extension between Apache and PHP.

b. Test installation

Enter the following command in the terminal:

php -v

If the version information of PHP pops up, it means that PHP has been successful Install.

3. Testing PHP

After the installation is complete, you can test whether the installation is successful by writing a simple PHP program. In your text editor, create a file called test.php and enter the following code:

phpinfo();

?>

Save file and put it into the root directory of the web server, such as the C:\Program Files\Apache Software Foundation\Apache2.2\htdocs folder under Windows and the /var/www/html folder under Linux. Then, open the web browser and enter http://localhost/test.php. If a PHP information page pops up, it means that PHP has been successfully installed and running.

Conclusion

Installing PHP can not only assist you in testing PHP code locally, but also deploy your website to various web servers. Installing PHP may require some technical steps, but as long as you follow the above steps, you will easily complete the installation process and enjoy the convenience of running a PHP website.

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