> For the complete documentation index, see [llms.txt](https://php-etl.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://php-etl.gitbook.io/docs/extractors/fixedwidth.md).

# Fixed Width

Extracts data from a text file with fields delimited by a fixed number of characters.

```php
$etl->extract('fixed_width', 'path/to/file.txt', $options);
```

## Options

### Columns (required)

Columns that will be extracted.

| Type  | Default value |
| ----- | ------------- |
| array | `null`        |

Associative array where the `key` is the name of the column and the `value` is an array containing the start position and the length of the column;

```php
$options = ['columns' => [
    'id' => [0, 5], // Start position is 0 and length is 5.
    'name' => [5, 40], // Start position is 5 and length is 40.
]];
```