How can PHP developers improve their understanding of PHP syntax and structure to avoid errors related to unexpected characters or syntax issues?

To improve their understanding of PHP syntax and structure, PHP developers can regularly review the PHP documentation, participate in online forums and communities, and practice writing clean and organized code. By familiarizing themselves with common syntax rules and best practices, developers can reduce the likelihood of encountering errors related to unexpected characters or syntax issues.

<?php

// Example of clean and organized PHP code
$variable = "Hello, World!";

echo $variable;

?>