Template - warwickfoster/qurantools GitHub Wiki

File: app/library/config.php

Purpose

The PHP script you provided is a configuration file for a web application called QT. It defines various constants and settings that are used throughout the application.

Key Features

• Loads configuration from a file The script reads a configuration file named qt.ini located one level above the document root.
• Sets include path It sets the include path to include both the document root and the folder above it.
• Defines constants The script defines constants for various settings, such as email addresses, password policies, and reCAPTCHA configuration.
• Adjusts configuration based on environment It checks for a specific HTTP header (X-REQUESTED-WITH) and adjusts certain configuration values based on its presence.

Functionality

• The script initializes the configuration variables from the qt.ini file.
• It sets the include path to allow PHP files to be included from both the document root and the folder above it.
• It defines constants with default values for various settings.
• It adjusts configuration values based on the presence of specific HTTP headers in the request.

Usage

This script is included in every PHP file within the QT application. It provides the necessary configuration settings for the application to function properly.

Benefits

• Centralized configuration All application settings are stored in a single file.
• Environment-specific adjustments The script allows for environment-specific configuration adjustments.
• Constant access Constants provide a convenient way to access configuration values throughout the application.

Limitations

• Using global variables is not recommended in PHP.
• The script relies on the presence of a specific configuration file.

Conclusion

The PHP script you provided is an essential part of the QT application's configuration system. It ensures that the application has the necessary settings to function properly and can be adjusted based on different environments.