What are the potential pitfalls of storing HTML code as a string in a PHP function?

Storing HTML code as a string in a PHP function can make the code harder to read and maintain. It can also lead to potential errors if the HTML code needs to be changed or updated frequently. To solve this issue, it's better to separate the HTML code into a separate file and include it in the PHP function using functions like `include` or `file_get_contents`. 

<?php
function displayHTML() {
    include 'path/to/html/file.html';
}

displayHTML();
?>

Keywords

HTML code string PHP function security vulnerability code injection

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