Viewing PHP settings with the phpinfo() function

The phpinfo() function is a built‑in PHP command that outputs detailed information about the PHP environment. On ruachost.com, you can use this function to check PHP configuration settings, extensions, and server details.

Why Use phpinfo()?

• Verify which PHP version your site is running.

• Check enabled extensions (e.g., MySQL, GD, cURL).

• Review configuration options such as memory limits, upload sizes, and timeouts.

• Troubleshoot compatibility issues with applications or frameworks.

How to Use phpinfo()

Step 1: Create a PHP File

1. Log in to your hosting account via FTP, SFTP, or File Manager.

2. Navigate to your site’s root directory (public_html).

3. Create a new file named info.php.

Step 2: Add the phpinfo() Function

Insert the following code into the file:

<?php
phpinfo();
?>

Step 3: Upload and Access the File

1. Save the file.

2. Visit the file in your browser:

   http://yourdomain.com/info.php
   

3. A page will display detailed PHP configuration information.

Security Warning

• The phpinfo() output contains sensitive server details.

• Do not leave the file accessible on a public site.

• Delete or rename the file after testing.

Example Output

When you run phpinfo(), you’ll see information such as:

• PHP version (e.g., 8.2.12)

• Loaded extensions (e.g., mysqli, gd, intl)

• Server API (e.g., Apache 2.0 Handler)

• Configuration directives (e.g., memory_limit, upload_max_filesize)