src/Builder/Syntax/WhereWriter.php
protected function writeWhereIn(Where $where, $method, $operation)
    {
        $collection = [];

        foreach ($where->$method() as $column => $values) {
            $newColumn = array($column);
            $column = SyntaxFactory::createColumn($newColumn, $where->getTable());
            $column = $this->columnWriter->writeColumn($column);

            $values = $this->writer->writeValues($values);
            $values = \implode(', ', $values);

            $collection[] = "({$column} $operation ({$values}))";
        }

        return $collection;
    }
protected function writeWhereIn(Where $where, $method, $operation)
    {
        $collection = [];

        foreach ($where->$method() as $column => $values) {
            $newColumn = array($column);
            $column = SyntaxFactory::createColumn($newColumn, $where->getTable());
            $column = $this->columnWriter->writeColumn($column);

            $values = $this->writer->writeValues($values);
            $values = \implode(', ', $values);

            $collection[] = "({$column} $operation ({$values}))";
        }

        return $collection;
    }
@param Where  $where
@param string $method
@param string $operation

@return array