What are the potential pitfalls of using inline styles in PHP form fields?

Using inline styles in PHP form fields can make the code harder to maintain and update in the future. It can also lead to a mix of presentation and logic, making it harder to separate concerns. To solve this issue, it's better to use external CSS files to style form fields, which allows for easier updates and better organization of code. 

```php
<form action="submit.php" method="post">
    <label for="username">Username:</label>
    <input type="text" name="username" id="username" class="form-field">
    
    <label for="password">Password:</label>
    <input type="password" name="password" id="password" class="form-field">
    
    <input type="submit" value="Submit" class="submit-button">
</form>
```

In the above code snippet, we have used classes to style the form fields, which allows for better separation of concerns and easier maintenance in the future.

Keywords

inline styles PHP form fields security vulnerabilities XSS attacks

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