voku /
Arrayy
| @@ 3507-3523 (lines=17) @@ | ||
| 3504 | * @psalm-return static<TKey,T> |
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| 3505 | * @psalm-mutation-free |
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| 3506 | */ |
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| 3507 | public function indexBy($key): self |
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| 3508 | { |
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| 3509 | // init |
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| 3510 | $results = []; |
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| 3511 | ||
| 3512 | foreach ($this->getGenerator() as $a) { |
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| 3513 | if (\array_key_exists($key, $a) === true) { |
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| 3514 | $results[$a[$key]] = $a; |
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| 3515 | } |
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| 3516 | } |
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| 3517 | ||
| 3518 | return static::create( |
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| 3519 | $results, |
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| 3520 | $this->iteratorClass, |
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| 3521 | false |
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| 3522 | ); |
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| 3523 | } |
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| 3524 | ||
| 3525 | /** |
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| 3526 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4710-4727 (lines=18) @@ | ||
| 4707 | * @psalm-return static<TKey,T> |
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| 4708 | * @psalm-mutation-free |
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| 4709 | */ |
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| 4710 | public function only(array $keys): self |
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| 4711 | { |
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| 4712 | $keys = \array_flip($keys); |
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| 4713 | ||
| 4714 | $generator = function () use ($keys): \Generator { |
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| 4715 | foreach ($this->getGenerator() as $key => $value) { |
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| 4716 | if (isset($keys[$key])) { |
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| 4717 | yield $key => $value; |
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| 4718 | } |
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| 4719 | } |
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| 4720 | }; |
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| 4721 | ||
| 4722 | return static::create( |
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| 4723 | $generator, |
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| 4724 | $this->iteratorClass, |
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| 4725 | false |
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| 4726 | ); |
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| 4727 | } |
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| 4728 | ||
| 4729 | /** |
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| 4730 | * Pad array to the specified size with a given value. |
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