drupol\phpermutations\Generators\Permutations::generator()

Complexity

Conditions	4
Paths	4

Size

Total Lines	11
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	4

Importance

Changes

0

<?php
  public function generator($data) {
    if (count($data) <= 1) {
      yield $data;
    } else {
      foreach (range(0, count($data) - 1) as $i) {
        foreach ($this->generator(array_slice($data, 1)) as $item) {
          yield array_merge(array_slice($item, 0, $i), array_slice($data, 0, 1), array_slice($item, $i));
        }
      }
    }
  }