voku /
Arrayy
| @@ 3460-3476 (lines=17) @@ | ||
| 3457 | * @psalm-return static<TKey,T> |
|
| 3458 | * @psalm-mutation-free |
|
| 3459 | */ |
|
| 3460 | public function indexBy($key): self |
|
| 3461 | { |
|
| 3462 | // init |
|
| 3463 | $results = []; |
|
| 3464 | ||
| 3465 | foreach ($this->getGenerator() as $a) { |
|
| 3466 | if (\array_key_exists($key, $a) === true) { |
|
| 3467 | $results[$a[$key]] = $a; |
|
| 3468 | } |
|
| 3469 | } |
|
| 3470 | ||
| 3471 | return static::create( |
|
| 3472 | $results, |
|
| 3473 | $this->iteratorClass, |
|
| 3474 | false |
|
| 3475 | ); |
|
| 3476 | } |
|
| 3477 | ||
| 3478 | /** |
|
| 3479 | * alias: for "Arrayy->searchIndex()" |
|
| @@ 4651-4668 (lines=18) @@ | ||
| 4648 | * @psalm-return static<TKey,T> |
|
| 4649 | * @psalm-mutation-free |
|
| 4650 | */ |
|
| 4651 | public function only(array $keys): self |
|
| 4652 | { |
|
| 4653 | $keys = \array_flip($keys); |
|
| 4654 | ||
| 4655 | $generator = function () use ($keys): \Generator { |
|
| 4656 | foreach ($this->getGenerator() as $key => $value) { |
|
| 4657 | if (isset($keys[$key])) { |
|
| 4658 | yield $key => $value; |
|
| 4659 | } |
|
| 4660 | } |
|
| 4661 | }; |
|
| 4662 | ||
| 4663 | return static::create( |
|
| 4664 | $generator, |
|
| 4665 | $this->iteratorClass, |
|
| 4666 | false |
|
| 4667 | ); |
|
| 4668 | } |
|
| 4669 | ||
| 4670 | /** |
|
| 4671 | * Pad array to the specified size with a given value. |
|
