Welcome to phpinfo()

The phpinfo() function in PHP outputs detailed information about the current PHP environment and configuration settings. It is a valuable tool for developers and administrators to diagnose PHP-related issues and verify server configurations.

Usage

To use phpinfo():

1. Create a PHP script containing the phpinfo() function call.
2. Access the script through a web browser.
3. Review the comprehensive report of PHP configuration settings, extensions, and environment variables.

Key Information Provided by phpinfo()

phpinfo() displays the following types of information:

• PHP Version and System Information
• Server Information (e.g., Apache, Nginx)
• PHP Environment Variables
• PHP Configuration Settings (from php.ini)
• Loaded PHP Extensions and their Settings
• Compiler Information and Build Environment
• License Information

Security Considerations

Exercise caution when using phpinfo() in a production environment:

• Restrict access to phpinfo() output to trusted users only.
• Avoid displaying sensitive information such as paths and detailed server configurations.
• Disable phpinfo() on production servers after debugging or diagnostics.