How important is it for individuals creating websites to have a basic understanding of how dynamic websites function, particularly when using PHP?

It is crucial for individuals creating websites to have a basic understanding of how dynamic websites function, especially when using PHP. Understanding the principles behind dynamic websites allows developers to create interactive and engaging web applications that can respond to user input and display data dynamically. This knowledge also enables developers to troubleshoot issues more effectively and optimize the performance of their websites.

<?php
// Example PHP code snippet demonstrating basic understanding of dynamic websites
$firstName = "John";
$lastName = "Doe";

echo "Hello, " . $firstName . " " . $lastName;
?>