flow php

UNIFIED DATA PROCESSING FRAMEWORK

composer require flow-php/etl ^0.10.0

Changelog

elephant
extract

Extracts

Read from various data sources.

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transform

Transforms

Shape and optimize for your needs.

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load

Loads

Store and secure in one of many available data sinks.

Examples:

Code

<?php

declare(strict_types=1);

use function Flow\ETL\DSL\{data_frame, first, from_rows, int_entry, ref, row, rows, to_stream};

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

data_frame()
    ->from(from_rows(rows(
        row(int_entry('a', 100)),
        row(int_entry('a', 100)),
        row(int_entry('a', 200)),
        row(int_entry('a', 400)),
        row(int_entry('a', 400))
    )))
    ->aggregate(first(ref('a')))
    ->write(to_stream(__DIR__ . '/output.txt', truncate: false))
    ->run();

Output

+-----+
|   a |
+-----+
| 100 |
+-----+
1 rows

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