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<?php namespace Arcanedev\Composer\Utilities; |
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/** |
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* Class NestedArray |
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* |
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* @package Arcanedev\Composer\Utilities |
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* @author ARCANEDEV <[email protected]> |
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*/ |
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class NestedArray |
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{ |
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/** |
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* Merges multiple arrays, recursively, and returns the merged array. |
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* |
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* This function is similar to PHP's array_merge_recursive() function, but it handles non-array values differently. |
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* When merging values that are not both arrays, the latter value replaces the former rather than merging with it. |
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* |
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* |
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* @param array $arrays |
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* |
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* @return array |
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* |
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* @see NestedArray::mergeDeepArray() |
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*/ |
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public static function mergeDeep(...$arrays) |
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{ |
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return self::mergeDeepArray($arrays); |
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} |
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/** |
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* Merges multiple arrays, recursively, and returns the merged array. |
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* |
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* This function is equivalent to NestedArray::mergeDeep(), except the input arrays are passed as a single array |
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* parameter rather than a variable parameter list. |
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* |
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* @param array $arrays |
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* @param bool $preserveIntegerKeys |
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* |
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* @return array |
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* |
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* @see NestedArray::mergeDeep() |
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*/ |
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public static function mergeDeepArray(array $arrays, $preserveIntegerKeys = false) |
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{ |
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$result = []; |
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foreach ($arrays as $array) { |
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foreach ($array as $key => $value) { |
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// Renumber integer keys as array_merge_recursive() does unless $preserve_integer_keys is set to TRUE. |
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// Note that PHP automatically converts array keys that are integer strings (e.g., '1') to integers. |
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if (is_integer($key) && ! $preserveIntegerKeys) { |
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$result[] = $value; |
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} |
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elseif (isset($result[$key]) && is_array($result[$key]) && is_array($value)) { |
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// Recurse when both values are arrays. |
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$result[$key] = self::mergeDeepArray([$result[$key], $value], $preserveIntegerKeys); |
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} |
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else { |
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// Otherwise, use the latter value, overriding any previous value. |
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$result[$key] = $value; |
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} |
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} |
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} |
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return $result; |
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} |
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} |
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ARCANEDEV /
Composer
