voku /
Arrayy
| @@ 3130-3146 (lines=17) @@ | ||
| 3127 | * @psalm-return static<TKey,T> |
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| 3128 | * @psalm-mutation-free |
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| 3129 | */ |
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| 3130 | public function indexBy($key): self |
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| 3131 | { |
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| 3132 | // init |
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| 3133 | $results = []; |
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| 3134 | ||
| 3135 | foreach ($this->getGenerator() as $a) { |
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| 3136 | if (\array_key_exists($key, $a) === true) { |
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| 3137 | $results[$a[$key]] = $a; |
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| 3138 | } |
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| 3139 | } |
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| 3140 | ||
| 3141 | return static::create( |
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| 3142 | $results, |
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| 3143 | $this->iteratorClass, |
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| 3144 | false |
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| 3145 | ); |
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| 3146 | } |
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| 3147 | ||
| 3148 | /** |
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| 3149 | * alias: for "Arrayy->searchIndex()" |
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| @@ 4202-4219 (lines=18) @@ | ||
| 4199 | * @psalm-return static<TKey,T> |
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| 4200 | * @psalm-mutation-free |
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| 4201 | */ |
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| 4202 | public function only(array $keys): self |
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| 4203 | { |
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| 4204 | $keys = \array_flip($keys); |
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| 4205 | ||
| 4206 | $generator = function () use ($keys): \Generator { |
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| 4207 | foreach ($this->getGenerator() as $key => $value) { |
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| 4208 | if (isset($keys[$key])) { |
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| 4209 | yield $key => $value; |
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| 4210 | } |
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| 4211 | } |
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| 4212 | }; |
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| 4213 | ||
| 4214 | return static::create( |
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| 4215 | $generator, |
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| 4216 | $this->iteratorClass, |
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| 4217 | false |
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| 4218 | ); |
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| 4219 | } |
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| 4220 | ||
| 4221 | /** |
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| 4222 | * Pad array to the specified size with a given value. |
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