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<?php |
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/** |
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* This file is part of the sauls/helpers package. |
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* |
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* @author Saulius Vaičeliūnas <[email protected]> |
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* @link http://saulius.vaiceliunas.lt |
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* @copyright 2018 |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sauls\Component\Helper\Operation\ArrayOperation; |
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class Merge implements MergeInterface |
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{ |
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public function execute(... $arrays): array |
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{ |
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$result = \array_shift($arrays); |
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while (!empty($arrays)) { |
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$nextArray = \array_shift($arrays); |
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$this->mergeNextArray($nextArray, $result); |
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} |
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return $result; |
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} |
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private function mergeNextArray(array $nextArray, &$result): void |
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{ |
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foreach ($nextArray as $key => $value) { |
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$this->mergeCurrentArrayValues($key, $value, $result); |
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} |
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} |
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private function mergeCurrentArrayValues($key, $value, &$result): void |
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{ |
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if (\is_int($key)) { |
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$this->mergeIntegerKeyValue($key, $value, $result); |
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} elseif ($this->canMergeArrayValue($key, $value, $result)) { |
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$result[$key] = $this->execute($result[$key], $value); |
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} else { |
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$result[$key] = $value; |
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} |
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} |
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private function canMergeArrayValue($key, $value, $result): bool |
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{ |
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return \is_array($value) && isset($result[$key]) && \is_array($result[$key]); |
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} |
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private function mergeIntegerKeyValue($key, $value, &$result): void |
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{ |
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if (\array_key_exists($key, $result)) { |
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$result[] = $value; |
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} else { |
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$result[$key] = $value; |
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} |
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} |
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} |
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sauls /
helpers
