How can the Smarty Template Engine be completely deactivated in PHP projects?

To completely deactivate the Smarty Template Engine in PHP projects, you can simply remove any references to Smarty and its functions in your code. This includes removing any include or require statements that load the Smarty library, as well as any code that initializes or uses Smarty templates.

// Remove any include or require statements that load the Smarty library
// Remove any code that initializes or uses Smarty templates