| public sliceColumns ( integer $offset, integer $length = null ) : self | ||
| $offset | integer | |
| $length | integer | |
| return | self | |
public function sliceColumns(int $offset, int $length = null) : self
{
return new static(array_map(function (array $row) use($offset, $length) {
return array_slice($row, $offset, $length);
}, $this->toArray()));
}