voku /
Arrayy
| @@ 3570-3586 (lines=17) @@ | ||
| 3567 | * @phpstan-return static<TKey,T> |
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| 3568 | * @psalm-mutation-free |
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| 3569 | */ |
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| 3570 | public function indexBy($key): self |
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| 3571 | { |
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| 3572 | // init |
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| 3573 | $results = []; |
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| 3574 | ||
| 3575 | foreach ($this->getGenerator() as $a) { |
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| 3576 | if (\array_key_exists($key, $a) === true) { |
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| 3577 | $results[$a[$key]] = $a; |
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| 3578 | } |
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| 3579 | } |
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| 3580 | ||
| 3581 | return static::create( |
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| 3582 | $results, |
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| 3583 | $this->iteratorClass, |
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| 3584 | false |
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| 3585 | ); |
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| 3586 | } |
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| 3587 | ||
| 3588 | /** |
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| 3589 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4792-4809 (lines=18) @@ | ||
| 4789 | * @phpstan-return static<TKey,T> |
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| 4790 | * @psalm-mutation-free |
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| 4791 | */ |
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| 4792 | public function only(array $keys): self |
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| 4793 | { |
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| 4794 | $keys = \array_flip($keys); |
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| 4795 | ||
| 4796 | $generator = function () use ($keys): \Generator { |
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| 4797 | foreach ($this->getGenerator() as $key => $value) { |
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| 4798 | if (isset($keys[$key])) { |
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| 4799 | yield $key => $value; |
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| 4800 | } |
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| 4801 | } |
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| 4802 | }; |
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| 4803 | ||
| 4804 | return static::create( |
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| 4805 | $generator, |
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| 4806 | $this->iteratorClass, |
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| 4807 | false |
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| 4808 | ); |
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| 4809 | } |
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| 4810 | ||
| 4811 | /** |
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| 4812 | * Pad array to the specified size with a given value. |
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