BogoBuzz: FizzBuzz, but even dumber

bogobuzz.php

<?php

/**
 * BogoBuzz
 *
 * FizzBuzz, but randomly
 */
$seen = [];
while (count($seen) !== 100) {
    $i = rand(1, 100);
    if (isset($seen[$i])) continue;
    $seen[$i] = 1;
    if ($i % 3 === 0) {
        echo 'Fizz';
    }
    if ($i % 5 === 0) {
        echo 'Buzz';
    }
    if ($i % 5 && $i % 3) {
        echo $i;
    }
    echo "\n";
}