voku /
Arrayy
| @@ 3590-3606 (lines=17) @@ | ||
| 3587 | * @phpstan-return static<TKey,T> |
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| 3588 | * @psalm-mutation-free |
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| 3589 | */ |
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| 3590 | public function indexBy($key): self |
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| 3591 | { |
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| 3592 | // init |
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| 3593 | $results = []; |
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| 3594 | ||
| 3595 | foreach ($this->getGenerator() as $a) { |
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| 3596 | if (\array_key_exists($key, $a) === true) { |
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| 3597 | $results[$a[$key]] = $a; |
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| 3598 | } |
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| 3599 | } |
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| 3600 | ||
| 3601 | return static::create( |
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| 3602 | $results, |
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| 3603 | $this->iteratorClass, |
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| 3604 | false |
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| 3605 | ); |
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| 3606 | } |
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| 3607 | ||
| 3608 | /** |
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| 3609 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4812-4829 (lines=18) @@ | ||
| 4809 | * @phpstan-return static<TKey,T> |
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| 4810 | * @psalm-mutation-free |
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| 4811 | */ |
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| 4812 | public function only(array $keys): self |
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| 4813 | { |
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| 4814 | $keys = \array_flip($keys); |
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| 4815 | ||
| 4816 | $generator = function () use ($keys): \Generator { |
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| 4817 | foreach ($this->getGenerator() as $key => $value) { |
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| 4818 | if (isset($keys[$key])) { |
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| 4819 | yield $key => $value; |
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| 4820 | } |
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| 4821 | } |
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| 4822 | }; |
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| 4823 | ||
| 4824 | return static::create( |
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| 4825 | $generator, |
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| 4826 | $this->iteratorClass, |
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| 4827 | false |
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| 4828 | ); |
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| 4829 | } |
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| 4830 | ||
| 4831 | /** |
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| 4832 | * Pad array to the specified size with a given value. |
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