How can a beginner in PHP ensure they understand and learn from code snippets found online rather than just copying and pasting them?

To ensure understanding and learning from code snippets found online, beginners in PHP can follow these steps: 1. Read through the code snippet line by line to understand its purpose and functionality. 2. Break down the code into smaller parts and try to explain what each part is doing. 3. Experiment with the code by making small modifications and observing the effects to see how it changes the output. 4. Try to recreate the functionality from scratch without looking at the code snippet to test your understanding. Code snippet:

// Example code snippet to demonstrate understanding
$number = 5;

// Check if the number is even
if ($number % 2 == 0) {
    echo "The number is even.";
} else {
    echo "The number is odd.";
}