Examples

Data frame

Description

Extract data from CSV files. Supports automatic delimiter detection, header row handling, and schema inference.

Documentation

CSV Adapter

Code

<?php

declare(strict_types=1);

use function Flow\ETL\Adapter\CSV\from_csv;
use function Flow\ETL\DSL\{data_frame, to_output};

require __DIR__ . '/vendor/autoload.php';

data_frame()
    ->read(from_csv(
        __DIR__ . '/input/dataset.csv',
        with_header: true,
        empty_to_null: true,
        separator: ',',
        enclosure: '"',
        escape: '\\',
        characters_read_in_line: 1000
    ))
    ->collect()
    ->write(to_output(truncate: false))
    ->run();

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