What potential pitfalls should be be aware of when generating HTML files with PHP, especially in terms of formatting and structure?

One potential pitfall when generating HTML files with PHP is the risk of mixing PHP logic with HTML markup, leading to messy and hard-to-maintain code. To avoid this, it's recommended to separate PHP logic from HTML markup by using a templating engine like Twig or creating separate PHP functions for generating HTML elements. 

// Example of separating PHP logic from HTML markup using functions

function generateHeader($title) {
    echo "<header><h1>$title</h1></header>";
}

function generateFooter() {
    echo "<footer>© 2022 My Website</footer>";
}

// Usage
generateHeader("Welcome to My Website");
generateFooter();

Keywords

HTML PHP formatting structure errors

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