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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Arrays\Collection\Modifier; |
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use Yiisoft\Arrays\ArrayHelper; |
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use Yiisoft\Arrays\Collection\Modifier\ModifierInterface\AfterMergeModifierInterface; |
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use Yiisoft\Arrays\Collection\Modifier\ModifierInterface\BeforeMergeModifierInterface; |
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/** |
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* Remembers the order of elements in the collection it is applied to |
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* and tried to keep the order while merging. |
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*/ |
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final class SaveOrder implements BeforeMergeModifierInterface, AfterMergeModifierInterface |
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{ |
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private array $array = []; |
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private bool $nested = false; |
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public function nested(): self |
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{ |
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$new = clone $this; |
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$new->nested = true; |
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return $new; |
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} |
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public function notNested(): self |
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{ |
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$new = clone $this; |
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$new->nested = false; |
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return $new; |
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} |
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public function beforeMerge(array $arrays, int $index): array |
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{ |
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$this->array = $arrays[$index]; |
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return $this->array; |
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} |
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public function afterMerge(array $data): array |
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{ |
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return $this->applyOrder($data, $this->array); |
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} |
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private function applyOrder(array $data, array $array): array |
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{ |
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$result = []; |
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foreach ($array as $key => $value) { |
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if (is_string($key)) { |
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if (array_key_exists($key, $data)) { |
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$result[$key] = ArrayHelper::remove($data, $key); |
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} |
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} else { |
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foreach ($data as $dataKey => $dataValue) { |
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if (is_int($dataKey) && $dataValue === $value) { |
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$result[] = $dataValue; |
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unset($data[$dataKey]); |
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break; |
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} |
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} |
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} |
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if ($this->nested && is_array($value) && is_array($result[$key])) { |
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$result[$key] = $this->applyOrder($result[$key], $value); |
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} |
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} |
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return array_merge($result, $data); |
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} |
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} |
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yiisoft /
arrays
