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<?php |
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declare(strict_types=1); |
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namespace Sirius\Orm\Helpers; |
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class Arr |
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{ |
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public static function getChildren(array $arr, string $path, string $separator = '.') |
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{ |
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$children = []; |
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$prefix = $path . $separator; |
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$prefixLen = strlen($prefix); |
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foreach ($arr as $key => $value) { |
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if (substr($key, 0, $prefixLen) != $prefix) { |
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continue; |
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} |
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$children[substr($key, $prefixLen)] = $value; |
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} |
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return $children; |
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} |
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public static function ensureParents(array $arr, string $separator = '.'): array |
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{ |
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foreach ($arr as $key => $value) { |
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if (strpos($key, $separator)) { |
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$parents = static::getParents($key, $separator); |
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foreach ($parents as $parent) { |
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if (! isset($arr[$parent])) { |
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$arr[$parent] = null; |
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} |
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} |
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} |
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} |
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return $arr; |
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} |
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protected static function getParents(string $path, string $separator): array |
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{ |
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$parts = explode($separator, substr($path, 0, strrpos($path, $separator))); |
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$current = ''; |
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$parents = []; |
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foreach ($parts as $part) { |
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$current = $current . ($current ? $separator : '') . $part; |
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$parents[] = $current; |
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} |
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return $parents; |
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} |
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public static function only(array $arr, array $keys) |
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{ |
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return array_intersect_key($arr, array_flip((array)$keys)); |
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} |
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public static function except(array $arr, $keys) |
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{ |
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foreach ((array)$keys as $key) { |
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unset($arr[$key]); |
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} |
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return $arr; |
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} |
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public static function renameKeys(array $arr, array $newNames) |
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{ |
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if (empty($newNames)) { |
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return $arr; |
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} |
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foreach (array_keys($newNames) as $name) { |
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if (isset($arr[$name])) { |
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$arr[$newNames[$name]] = $arr[$name]; |
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unset($arr[$name]); |
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} |
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} |
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return $arr; |
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} |
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} |
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siriusphp /
orm
