How can beginners improve their PHP coding skills and stay updated on best practices through online resources like forums and tutorials?

Beginners can improve their PHP coding skills by regularly practicing coding exercises, participating in online forums like Stack Overflow or Reddit's r/PHP, following tutorials on websites like W3Schools or PHP.net, and reading blogs from experienced PHP developers. Staying updated on best practices can be achieved by subscribing to PHP newsletters, joining PHP-related Slack channels or Discord servers, and attending online webinars or workshops.

<?php

// Example PHP code snippet to demonstrate a basic use of PHP functions

function calculateSum($num1, $num2) {
    return $num1 + $num2;
}

$number1 = 10;
$number2 = 20;

$sum = calculateSum($number1, $number2);

echo "The sum of $number1 and $number2 is: $sum";

?>