In what situations would it be advisable to use iframes or APIs instead of directly embedding PHP scripts for displaying external content on a website?

When displaying external content on a website, it is advisable to use iframes or APIs instead of directly embedding PHP scripts to ensure better security, performance, and maintainability. Iframes allow you to embed external content within a separate frame, isolating it from the main website code. APIs provide a structured way to interact with external services and retrieve data, making it easier to manage and update content.

<iframe src="https://www.externalwebsite.com"></iframe>