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<?php |
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namespace Graze\ArrayMerger; |
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use Graze\ArrayMerger\ValueMerger\LastValue; |
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/** |
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* Class ArrayMerger |
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* |
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* This does a simple, `array_merge`, but you can choose how to merge the values yourself |
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*/ |
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class ArrayMerger implements ArrayMergerInterface |
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{ |
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use StaticMethodsTrait; |
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use SequentialTrait; |
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/** @var callable */ |
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protected $valueMerger; |
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/** @var int */ |
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private $flags; |
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/** |
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* @param callable $valueMerger |
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* @param int $flags |
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*/ |
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public function __construct(callable $valueMerger = null, $flags = 0) |
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{ |
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$this->valueMerger = $valueMerger ?: new LastValue(); |
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$this->flags = $flags; |
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} |
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/** |
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* Merge using the supplied Value Merge |
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* |
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* @param callable $valueMerger |
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* @param array $array1 |
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* @param array $arrays |
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* |
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* @return array |
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*/ |
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public static function mergeUsing(callable $valueMerger, array $array1, array $arrays) |
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{ |
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$merger = new static($valueMerger); |
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return call_user_func_array([$merger, 'merge'], array_merge([$array1], array_slice(func_get_args(), 2))); |
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} |
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/** |
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* Merge the values from all the array supplied, the first array is treated as the base array to merge into |
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* |
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* @param array $array1 |
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* @param array|null $arrays |
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* |
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* @return array |
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*/ |
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public function merge(array $array1, array $arrays = null) |
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{ |
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$arrays = array_slice(func_get_args(), 1); |
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if (count($arrays) === 0) { |
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return $array1; |
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} |
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// if all arrays are sequential and flag is set, append them all |
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if ($this->flags & static::FLAG_APPEND_VALUE_ARRAY == static::FLAG_APPEND_VALUE_ARRAY |
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&& $this->areSequential(array_merge([$array1], $arrays))) { |
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return call_user_func_array('array_merge', array_merge([$array1], $arrays)); |
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} |
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$merged = $array1; |
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foreach ($arrays as $toMerge) { |
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foreach ($toMerge as $key => &$value) { |
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if (array_key_exists($key, $merged)) { |
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if ($this->flags & static::FLAG_APPEND_VALUE_ARRAY == static::FLAG_APPEND_VALUE_ARRAY |
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&& $this->areSequential([$value, $merged[$key]])) { |
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$merged[$key] = array_merge($merged[$key], $value); |
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} else { |
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$merged[$key] = call_user_func($this->valueMerger, $merged[$key], $value); |
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} |
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} else { |
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$merged[$key] = $value; |
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} |
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} |
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} |
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return $merged; |
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} |
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} |
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graze /
array-merger
