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<?php function array_group($array, $callable) { $result = array(); foreach ($array as $key => $value) { $key = $callable($key, $value); if (!isset($result[$key])) { $result[$key] = array(); } $result[$key][] = $value; } return $result; } $arr = range(1,10); array_group($arr, function($key, $value) { return intval($value % 2); });
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