In what ways can a lack of PHP knowledge impact the design and functionality of a website, especially when incorporating features like automatic email address distribution upon registration?

A lack of PHP knowledge can impact the design and functionality of a website by hindering the ability to implement dynamic features like automatic email address distribution upon registration. To solve this issue, one must learn PHP basics and understand how to write scripts to handle user registration and email distribution.

// Example PHP code snippet for automatic email address distribution upon registration

// Assuming $user_email contains the email address of the registered user
$user_email = "user@example.com";

// Send an email to the registered user
$to = $user_email;
$subject = "Welcome to our website!";
$message = "Thank you for registering on our website.";
$headers = "From: admin@example.com";

// Send the email
mail($to, $subject, $message, $headers);