What are some recommended resources for PHP beginners to improve their understanding of basic operations and functions?

For PHP beginners looking to improve their understanding of basic operations and functions, some recommended resources include online tutorials on websites like W3Schools, PHP documentation on the official PHP website, and books such as "PHP for the Web: Visual QuickStart Guide" by Larry Ullman. These resources provide step-by-step explanations, examples, and exercises to help beginners grasp fundamental concepts and enhance their coding skills.

<?php
// Example PHP code snippet
// Basic arithmetic operations
$num1 = 10;
$num2 = 5;

$sum = $num1 + $num2;
$diff = $num1 - $num2;
$product = $num1 * $num2;
$quotient = $num1 / $num2;

echo "Sum: " . $sum . "<br>";
echo "Difference: " . $diff . "<br>";
echo "Product: " . $product . "<br>";
echo "Quotient: " . $quotient . "<br>";
?>