voku /
Arrayy
| @@ 3441-3457 (lines=17) @@ | ||
| 3438 | * @psalm-return static<TKey,T> |
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| 3439 | * @psalm-mutation-free |
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| 3440 | */ |
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| 3441 | public function indexBy($key): self |
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| 3442 | { |
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| 3443 | // init |
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| 3444 | $results = []; |
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| 3445 | ||
| 3446 | foreach ($this->getGenerator() as $a) { |
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| 3447 | if (\array_key_exists($key, $a) === true) { |
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| 3448 | $results[$a[$key]] = $a; |
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| 3449 | } |
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| 3450 | } |
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| 3451 | ||
| 3452 | return static::create( |
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| 3453 | $results, |
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| 3454 | $this->iteratorClass, |
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| 3455 | false |
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| 3456 | ); |
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| 3457 | } |
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| 3458 | ||
| 3459 | /** |
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| 3460 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4632-4649 (lines=18) @@ | ||
| 4629 | * @psalm-return static<TKey,T> |
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| 4630 | * @psalm-mutation-free |
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| 4631 | */ |
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| 4632 | public function only(array $keys): self |
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| 4633 | { |
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| 4634 | $keys = \array_flip($keys); |
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| 4635 | ||
| 4636 | $generator = function () use ($keys): \Generator { |
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| 4637 | foreach ($this->getGenerator() as $key => $value) { |
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| 4638 | if (isset($keys[$key])) { |
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| 4639 | yield $key => $value; |
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| 4640 | } |
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| 4641 | } |
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| 4642 | }; |
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| 4643 | ||
| 4644 | return static::create( |
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| 4645 | $generator, |
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| 4646 | $this->iteratorClass, |
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| 4647 | false |
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| 4648 | ); |
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| 4649 | } |
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| 4650 | ||
| 4651 | /** |
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| 4652 | * Pad array to the specified size with a given value. |
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