What role does the php.ini file play in managing PHP extensions and configurations?

The php.ini file plays a crucial role in managing PHP extensions and configurations by allowing users to enable or disable specific extensions, set configuration values, and adjust various PHP settings. By editing the php.ini file, users can customize their PHP environment to suit their specific needs and requirements.

// Example of editing the php.ini file to enable a specific extension
// Locate the php.ini file on your server
// Search for the extension you want to enable (e.g. extension=gd)
// Uncomment the line by removing the semicolon at the beginning
// Save the php.ini file and restart your web server for the changes to take effect