What are the potential pitfalls of including functions in PHP files and displaying only the function without the rest of the code?

Potential pitfalls of including functions in PHP files and displaying only the function without the rest of the code include security risks, lack of context for the function's usage, and difficulty in troubleshooting or debugging. To solve this issue, it's recommended to include the necessary code structure (such as opening and closing PHP tags, required includes, etc.) along with the function definition to ensure proper functionality and security. 

<?php
// Include necessary code structure
require_once 'config.php';

// Function definition
function myFunction() {
    // Function logic
}

// Call the function
myFunction();
?>

Keywords

PHP functions code separation security risk readability

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