What are some recommended best practices for PHP beginners to follow when starting to learn PHP programming?

Issue: PHP beginners often struggle with understanding the basics of PHP programming and may find it overwhelming to start learning. To help beginners get started with PHP programming, it is recommended to follow best practices such as writing clean and readable code, using proper naming conventions, commenting code for better understanding, and practicing regularly to improve coding skills. Code snippet:

<?php

// Example of clean and readable code with proper naming conventions
$first_name = "John";
$last_name = "Doe";

function getFullName($first_name, $last_name) {
    return $first_name . " " . $last_name;
}

echo "Full Name: " . getFullName($first_name, $last_name);

?>