| @@ 1018-1036 (lines=19) @@ | ||
| 1015 | * @psalm-return static<TKey,T> |
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| 1016 | * @psalm-mutation-free |
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| 1017 | */ |
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| 1018 | public function appendToEachKey($prefix): self |
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| 1019 | { |
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| 1020 | // init |
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| 1021 | $result = []; |
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| 1022 | ||
| 1023 | foreach ($this->getGenerator() as $key => $item) { |
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| 1024 | if ($item instanceof self) { |
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| 1025 | $result[$prefix . $key] = $item->appendToEachKey($prefix); |
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| 1026 | } elseif (\is_array($item) === true) { |
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| 1027 | $result[$prefix . $key] = self::create($item, $this->iteratorClass, false) |
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| 1028 | ->appendToEachKey($prefix) |
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| 1029 | ->toArray(); |
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| 1030 | } else { |
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| 1031 | $result[$prefix . $key] = $item; |
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| 1032 | } |
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| 1033 | } |
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| 1034 | ||
| 1035 | return self::create($result, $this->iteratorClass, false); |
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| 1036 | } |
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| 1037 | ||
| 1038 | /** |
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| 1039 | * Add a prefix to each value. |
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| @@ 4425-4450 (lines=26) @@ | ||
| 4422 | * @psalm-return static<TKey,T> |
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| 4423 | * @psalm-mutation-free |
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| 4424 | */ |
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| 4425 | public function prependToEachKey($suffix): self |
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| 4426 | { |
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| 4427 | // init |
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| 4428 | $result = []; |
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| 4429 | ||
| 4430 | foreach ($this->getGenerator() as $key => $item) { |
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| 4431 | if ($item instanceof self) { |
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| 4432 | $result[$key] = $item->prependToEachKey($suffix); |
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| 4433 | } elseif (\is_array($item) === true) { |
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| 4434 | $result[$key] = self::create( |
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| 4435 | $item, |
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| 4436 | $this->iteratorClass, |
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| 4437 | false |
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| 4438 | )->prependToEachKey($suffix) |
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| 4439 | ->toArray(); |
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| 4440 | } else { |
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| 4441 | $result[$key . $suffix] = $item; |
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| 4442 | } |
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| 4443 | } |
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| 4444 | ||
| 4445 | return self::create( |
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| 4446 | $result, |
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| 4447 | $this->iteratorClass, |
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| 4448 | false |
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| 4449 | ); |
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| 4450 | } |
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| 4451 | ||
| 4452 | /** |
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| 4453 | * Add a suffix to each value. |
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