How to install and configure PHP environment variables locally

PHP is a programming language widely used for Web development. It has powerful functions and flexibility, and has become the language of choice for many developers. However, during the development process, a PHP environment must be set up locally before development and testing can be carried out. This article will introduce how to install PHP environment variables locally for web development locally.

1. Download the PHP installation program

First, we need to download the PHP installation package. You can go to the PHP official website to download the corresponding version, or you can download it from major software download sites. After downloading, save the installation package to your local disk.

2. Install PHP

Double-click to open the downloaded PHP installation package and install it step by step according to the prompts. During the installation process, select Custom Installation and install PHP to a specified directory on your local disk. At the same time, you also need to pay attention to adding PHP to the system environment variables so that you can execute PHP resource files at any location.

3. Configure PHP environment variables

In the process of installing PHP, we also need to configure PHP environment variables. The specific steps are as follows:

(1) Open "Control Panel";

(2) Click "System and Security";

(3) Select "System";

(4) Click "Advanced System Settings";

(5) Click "Environment Variables";

(6) Select "PATH" in "System Variables" and Edit and add the path to the PHP installation directory (such as C:\php);

(7) Click "OK" to complete the configuration of environment variables.

4. Verify whether PHP installation is successful

After the installation is completed, you need to verify whether PHP is installed successfully. The specific steps are as follows:

(1) Open the command prompt (Win R, enter cmd);

(2) Enter "php -v", press Enter, and check the PHP version information. If If the PHP version is displayed correctly, the installation is successful.

5. Configuring PHP extensions

After PHP is installed, you need to configure some extensions for better web development. You can find the required extensions in the "ext" directory under the PHP installation directory, and then configure them in the php.ini file. The specific steps are as follows:

(1) Open the php.ini configuration file;

(2) Search for the extension that needs to be configured;

(3) Modify the value of the extension configuration item is "extension=extension.dll" (Note: extension.dll is the name of the PHP extension file, modify it as needed);

(4) Save the modified php.ini file, and then restart the web server to enable It takes effect.

Summary

The above is the entire process of installing PHP environment variables locally. Installing a PHP environment is the basis for web development and an essential step. Only by correctly installing the PHP environment can you better perform web development. I hope this article can be helpful to everyone.

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