Answer ⏱ 21ms
Part 1 :
325
Part 2 :
119
// ==================================================
// > PART 1
// ==================================================
$solution_1 = $input->lines->filter(fn ($pass) =>
set(explode(" ", $pass->string))->duplicates()->empty()
)->count();
// ==================================================
// > PART 2
// ==================================================
$solution_2 = $input->lines->filter(fn ($pass) =>
$pass
->split(" ")->map(fn ($word) => $word->chars()->sort()->values()->join()->string)
->duplicates()->empty()
)->count();