<?php
$tag_merge_count = 50000;
$a = [];
$b = ['foo', 'bar', 'baz'];
$c = ['llamas', 'are', 'awesome'];
$iterations = $tag_merge_count/4;
for ($i = 0; $i < $iterations; $i++) {
array_unique(array_merge($a, $b)); // empty + non-empty
array_unique(array_merge($b, $a)); // non-empty + empty
array_unique(array_merge($b, $b)); // non-empty + non-empty, with 100% collision
array_unique(array_merge($b, $c)); // non-empty + non-empty, with 0% collision
}
preferences:
17.29 ms | 402 KiB | 5 Q