In PHP, how do I deduplicate arrays with PHP 8+ features?

In PHP 8 and above, you can easily deduplicate arrays using the built-in array functions. One of the simplest methods to remove duplicates from an array is by using the `array_unique()` function, which keeps the first occurrence of each element. Additionally, you can take advantage of new features like the spread operator and nullsafe operator to enhance your array manipulation experience.


        <?php
        $array = [1, 2, 2, 3, 4, 4, 5];
        $uniqueArray = array_unique($array);
        
        // Output the deduplicated array
        print_r($uniqueArray);
        ?>