voku /
Arrayy
| @@ 3422-3438 (lines=17) @@ | ||
| 3419 | * @psalm-return static<TKey,T> |
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| 3420 | * @psalm-mutation-free |
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| 3421 | */ |
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| 3422 | public function indexBy($key): self |
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| 3423 | { |
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| 3424 | // init |
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| 3425 | $results = []; |
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| 3426 | ||
| 3427 | foreach ($this->getGenerator() as $a) { |
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| 3428 | if (\array_key_exists($key, $a) === true) { |
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| 3429 | $results[$a[$key]] = $a; |
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| 3430 | } |
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| 3431 | } |
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| 3432 | ||
| 3433 | return static::create( |
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| 3434 | $results, |
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| 3435 | $this->iteratorClass, |
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| 3436 | false |
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| 3437 | ); |
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| 3438 | } |
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| 3439 | ||
| 3440 | /** |
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| 3441 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4601-4618 (lines=18) @@ | ||
| 4598 | * @psalm-return static<TKey,T> |
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| 4599 | * @psalm-mutation-free |
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| 4600 | */ |
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| 4601 | public function only(array $keys): self |
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| 4602 | { |
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| 4603 | $keys = \array_flip($keys); |
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| 4604 | ||
| 4605 | $generator = function () use ($keys): \Generator { |
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| 4606 | foreach ($this->getGenerator() as $key => $value) { |
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| 4607 | if (isset($keys[$key])) { |
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| 4608 | yield $key => $value; |
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| 4609 | } |
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| 4610 | } |
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| 4611 | }; |
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| 4612 | ||
| 4613 | return static::create( |
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| 4614 | $generator, |
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| 4615 | $this->iteratorClass, |
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| 4616 | false |
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| 4617 | ); |
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| 4618 | } |
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| 4619 | ||
| 4620 | /** |
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| 4621 | * Pad array to the specified size with a given value. |
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