voku /
Arrayy
| @@ 3546-3562 (lines=17) @@ | ||
| 3543 | * @phpstan-return static<TKey,T> |
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| 3544 | * @psalm-mutation-free |
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| 3545 | */ |
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| 3546 | public function indexBy($key): self |
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| 3547 | { |
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| 3548 | // init |
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| 3549 | $results = []; |
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| 3550 | ||
| 3551 | foreach ($this->getGenerator() as $a) { |
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| 3552 | if (\array_key_exists($key, $a) === true) { |
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| 3553 | $results[$a[$key]] = $a; |
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| 3554 | } |
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| 3555 | } |
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| 3556 | ||
| 3557 | return static::create( |
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| 3558 | $results, |
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| 3559 | $this->iteratorClass, |
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| 3560 | false |
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| 3561 | ); |
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| 3562 | } |
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| 3563 | ||
| 3564 | /** |
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| 3565 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4760-4777 (lines=18) @@ | ||
| 4757 | * @phpstan-return static<TKey,T> |
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| 4758 | * @psalm-mutation-free |
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| 4759 | */ |
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| 4760 | public function only(array $keys): self |
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| 4761 | { |
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| 4762 | $keys = \array_flip($keys); |
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| 4763 | ||
| 4764 | $generator = function () use ($keys): \Generator { |
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| 4765 | foreach ($this->getGenerator() as $key => $value) { |
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| 4766 | if (isset($keys[$key])) { |
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| 4767 | yield $key => $value; |
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| 4768 | } |
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| 4769 | } |
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| 4770 | }; |
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| 4771 | ||
| 4772 | return static::create( |
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| 4773 | $generator, |
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| 4774 | $this->iteratorClass, |
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| 4775 | false |
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| 4776 | ); |
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| 4777 | } |
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| 4778 | ||
| 4779 | /** |
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| 4780 | * Pad array to the specified size with a given value. |
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