How to install PHP Composer on IIS server

PHP Composer is a tool for managing PHP dependency files. It can help us easily manage and install the PHP packages and libraries required by the project. If you are using an IIS server, this article will explain how to install PHP Composer on an IIS server.

1. Download the PHP installation package

First, we need to download and install the PHP environment. You can download the PHP installation package suitable for IIS from the official website and follow the prompts to complete the installation.

2. Configuring IIS

After installing the PHP environment, we need to add the PHP module to IIS so that we can run PHP applications on IIS. The specific steps to add the PHP module in IIS are as follows:

1. Open IIS Manager.
2. Select the server name in the left column, and then open "Add Roles and Features" in the "Server Manager" on the right.
3. In the "Add Roles and Features Wizard", select the "Web Server (IIS)" role, and then click "Next".
4. Select "Web Server" and "Common HTTP Functions".
5. Under "Common HTTP Functions", check "CGI" and "ISAPI Extensions".
6. Under "CGI" and "ISAPI Extensions", check "PHP" and "FastCGI".
7. After completing the configuration of the wizard, restart the IIS server to take effect.
8. Download PHP Composer

The easiest way to download PHP Composer is to use the command line to download the installer. To run these commands, you need to open Windows PowerShell on the IIS server. Enter the following commands in PowerShell:

$ cd C:\inetpub\wwwroot\（进入网站根目录）
$ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
$ php composer-setup.php
$ php -r "unlink('composer-setup.php');"

These commands will download and install PHP Composer to the root directory of the website.

4. Adjust PHP.ini configuration

Before using PHP Composer in IIS, we need to make some adjustments to the PHP configuration. The specific steps are as follows:

1. Open the "php.ini" file in the PHP installation directory.
2. Search for "extension_dir" and set it to the absolute path of the current PHP extension directory.
3. Search for "allow_url_fopen" and set it to "On".
4. Search for "disable_functions" and clear its value.
5. Save and close the "php.ini" file.
6. Configuring PHP Composer in IIS

After installing PHP Composer and completing the configuration adjustment of PHP, we still need to perform some configurations on PHP Composer in IIS. The specific steps are as follows:

1. Open IIS Manager.
2. Select the website name in the left column, and then double-click "Handler Mapping" in the "middle pane" on the right.
3. In the "Handler Mapping" window, click "Add Module Mapping".
4. In the "Add Module Mapping" window, set the extension of "Request Path" to ".phar", "Module Name" to "FastCgiModule", and "Executable File Path" to the PHP installation directory. "php-cgi.exe".
5. Click "OK" to save the settings.
6. Testing PHP Composer

After configuring PHP Composer in IIS, we can test it through the command line. Enter the following command on the command line to confirm whether PHP Composer has been successfully installed:

$ cd C:\inetpub\wwwroot\
$ php composer.phar -v

If the version information of PHP Composer is successfully output, then PHP Composer has been successfully installed on the IIS server.

Summary

In this article, we covered how to install PHP Composer on an IIS server. To correctly install PHP Composer, you need to follow the above steps to complete the PHP environment and IIS configuration, and configure the PHP Composer execution path. Finally, test via the command line to make sure PHP Composer is installed correctly. Hope this tutorial can be helpful to you!

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