How can one ensure proper attribution when using code snippets or functions from external sources in PHP projects?

Proper attribution when using code snippets or functions from external sources in PHP projects can be ensured by including comments in the code that clearly state the original source of the code and any relevant licensing information. This helps give credit to the original author and ensures compliance with any licensing requirements.

// Code snippet taken from https://www.example.com
// Licensed under the MIT License
function exampleFunction() {
    // Function implementation here
}