voku /
Arrayy
| @@ 3538-3554 (lines=17) @@ | ||
| 3535 | * @phpstan-return static<TKey,T> |
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| 3536 | * @psalm-mutation-free |
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| 3537 | */ |
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| 3538 | public function indexBy($key): self |
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| 3539 | { |
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| 3540 | // init |
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| 3541 | $results = []; |
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| 3542 | ||
| 3543 | foreach ($this->getGenerator() as $a) { |
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| 3544 | if (\array_key_exists($key, $a) === true) { |
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| 3545 | $results[$a[$key]] = $a; |
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| 3546 | } |
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| 3547 | } |
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| 3548 | ||
| 3549 | return static::create( |
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| 3550 | $results, |
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| 3551 | $this->iteratorClass, |
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| 3552 | false |
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| 3553 | ); |
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| 3554 | } |
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| 3555 | ||
| 3556 | /** |
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| 3557 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4752-4769 (lines=18) @@ | ||
| 4749 | * @phpstan-return static<TKey,T> |
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| 4750 | * @psalm-mutation-free |
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| 4751 | */ |
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| 4752 | public function only(array $keys): self |
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| 4753 | { |
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| 4754 | $keys = \array_flip($keys); |
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| 4755 | ||
| 4756 | $generator = function () use ($keys): \Generator { |
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| 4757 | foreach ($this->getGenerator() as $key => $value) { |
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| 4758 | if (isset($keys[$key])) { |
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| 4759 | yield $key => $value; |
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| 4760 | } |
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| 4761 | } |
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| 4762 | }; |
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| 4763 | ||
| 4764 | return static::create( |
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| 4765 | $generator, |
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| 4766 | $this->iteratorClass, |
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| 4767 | false |
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| 4768 | ); |
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| 4769 | } |
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| 4770 | ||
| 4771 | /** |
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| 4772 | * Pad array to the specified size with a given value. |
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