voku /
Arrayy
| @@ 3317-3333 (lines=17) @@ | ||
| 3314 | * @psalm-return static<TKey,T> |
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| 3315 | * @psalm-mutation-free |
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| 3316 | */ |
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| 3317 | public function indexBy($key): self |
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| 3318 | { |
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| 3319 | // init |
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| 3320 | $results = []; |
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| 3321 | ||
| 3322 | foreach ($this->getGenerator() as $a) { |
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| 3323 | if (\array_key_exists($key, $a) === true) { |
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| 3324 | $results[$a[$key]] = $a; |
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| 3325 | } |
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| 3326 | } |
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| 3327 | ||
| 3328 | return static::create( |
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| 3329 | $results, |
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| 3330 | $this->iteratorClass, |
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| 3331 | false |
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| 3332 | ); |
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| 3333 | } |
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| 3334 | ||
| 3335 | /** |
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| 3336 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4480-4497 (lines=18) @@ | ||
| 4477 | * @psalm-return static<TKey,T> |
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| 4478 | * @psalm-mutation-free |
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| 4479 | */ |
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| 4480 | public function only(array $keys): self |
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| 4481 | { |
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| 4482 | $keys = \array_flip($keys); |
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| 4483 | ||
| 4484 | $generator = function () use ($keys): \Generator { |
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| 4485 | foreach ($this->getGenerator() as $key => $value) { |
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| 4486 | if (isset($keys[$key])) { |
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| 4487 | yield $key => $value; |
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| 4488 | } |
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| 4489 | } |
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| 4490 | }; |
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| 4491 | ||
| 4492 | return static::create( |
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| 4493 | $generator, |
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| 4494 | $this->iteratorClass, |
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| 4495 | false |
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| 4496 | ); |
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| 4497 | } |
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| 4498 | ||
| 4499 | /** |
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| 4500 | * Pad array to the specified size with a given value. |
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