How to build php under windows

Under the Windows operating system, setting up a PHP environment is a relatively easy process. This article will show you how to quickly set up a PHP environment.

1. Download PHP

First, you need to download the latest version of PHP from the PHP official website. The download address is: http://php.net/downloads.php. When downloading, you need to select the correct Windows version and PHP version. Generally speaking, you need to choose a 32-bit or 64-bit version of PHP depending on your version of Windows.

2. Install PHP

After the download is complete, you need to unzip the PHP archive and place it in the appropriate directory. For example, you can extract PHP to the C:\PHP directory. After unzipping, you need to modify the PHP configuration file php.ini. Search the following two variables in the php.ini file and modify them accordingly:

;extension_dir = "ext"

is modified to:

extension_dir = "C:\PHP\ext"

;extension=php_openssl.dll

is modified to:

extension_dir = php_openssl.dll

After completing these modifications, You need to add the PHP directory to the Windows environment variables. It can be completed by the following steps:

1) Press the Win R key to open the run window;
2) Enter "sysdm.cpl" and press the Enter key to open the "System Properties" window;
3) In the "System Properties" window, select the "Advanced" tab and click the "Environment Variables" button;
4) Find the "Path" variable in "System Variables" and double-click it;
5) Enter ";C:\PHP" after the "Path" variable value, and then click the "OK" button.

3. Install Web Server

In order to run PHP scripts on Windows, you need to install a web server. On Windows, Apache is a widely used web server. You can download Apache from:

https://httpd.apache.org/download.cgi

After the download is complete, you need to unzip the Apache zip package and place it in the appropriate Under contents. For example, you can unzip Apache to the C:\Apache24 directory.

4. Configuring the Apache server

After decompressing the Apache compressed package, you need to modify the Apache configuration file httpd.conf. Add the following code at the end of the file to integrate PHP with Apache.

LoadModule php7_module "C:\PHP\php7apache2_4.dll"
AddHandler application/x-httpd-php .php
PHPIniDir "C:\PHP"

In this code, the first line loads the PHP module, the second line tells Apache to use PHP when parsing files ending with .php, and the third line sets the PHP configuration file.

5. Start the Web Server

Starting the Apache Web server is a simple process. Open a command prompt and change to the C:\Apache24\bin directory and run the following command:

httpd.exe

This command will start the Apache web server. After starting, you can enter http://localhost in the web browser. If you see the words "It works!", it means that the Apache server has been started successfully.

At this point, you have successfully set up a PHP environment and used it with Apache. Now you can start writing PHP programs.

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