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<?php |
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namespace Larapulse\Support\Handlers; |
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use Larapulse\Support\Helpers\DataTypes; |
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class Arr |
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{ |
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/** |
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* Flatten a multi-dimensional array into a single level |
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* |
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* @param array $array |
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* @param int $depth |
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* @return array |
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*/ |
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public static function flatten(array $array, $depth = INF) : array |
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{ |
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$depth = is_int($depth) ? max($depth, 0) : INF; |
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return array_reduce($array, function ($result, $item) use ($depth) { |
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if (!is_array($item) || $depth === 0) { |
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return array_merge($result, [$item]); |
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} elseif ($depth === 1) { |
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return array_merge($result, array_values($item)); |
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} else { |
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return array_merge($result, self::flatten($item, $depth - 1)); |
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} |
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}, []); |
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} |
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/** |
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* Flatten a multi-dimensional array into a single level with saving keys |
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* |
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* @param array $array |
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* @param int $depth |
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* |
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* @return array |
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*/ |
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public static function flattenAssoc(array $array, $depth = INF) : array |
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{ |
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$result = []; |
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$depth = is_int($depth) ? max($depth, 0) : INF; |
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foreach ($array as $key => $value) { |
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if (is_array($value) && $depth >= 1) { |
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$result = self::flattenAssoc($value, $depth - 1) + $result; |
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} else { |
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$result[$key] = $value; |
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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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* Get depth of array |
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* |
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* @param array $array |
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* |
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* @return int |
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*/ |
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public static function depth(array $array) : int |
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{ |
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$maxDepth = 1; |
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foreach ($array as $value) { |
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if (is_array($value)) { |
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$depth = self::depth($value) + 1; |
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if ($depth > $maxDepth) { |
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$maxDepth = $depth; |
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} |
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} |
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} |
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return $maxDepth; |
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} |
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/** |
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* Check if array contains only a specific type |
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* |
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* @param array $array |
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* @param string $type |
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* |
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* @return bool |
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*/ |
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public static function isTypeOf(array $array, string $type) : bool |
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{ |
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$type = DataTypes::guessFromAlias($type); |
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if (!in_array($type, DataTypes::TYPES)) { |
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return false; |
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} |
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foreach ($array as $item) { |
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if (gettype($item) !== $type) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check if array contains only a specific type |
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* |
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* @param array $array |
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* @param array $types |
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* |
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* @return bool |
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*/ |
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public static function isTypesOf(array $array, array $types) : bool |
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{ |
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if (!self::isTypeOf($types, 'string')) { |
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return false; |
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} |
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$types = array_map(function ($type) { |
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return DataTypes::guessFromAlias($type); |
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}, $types); |
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if (array_diff($types, DataTypes::TYPES)) { |
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return false; |
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} |
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foreach ($array as $item) { |
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if (!in_array(gettype($item), $types, true)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check if array contains instances of specified class/interface |
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* |
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* @param array $array |
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* @param string $className |
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* |
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* @return bool |
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*/ |
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public static function isInstancesOf(array $array, string $className) : bool |
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{ |
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if (!class_exists($className) && !interface_exists($className)) { |
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return false; |
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} |
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$result = true; |
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foreach ($array as $item) { |
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$result = is_object($item) && $item instanceof $className && $result; |
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} |
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return $result; |
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} |
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} |
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larapulse /
support
