UNIFIED DATA PROCESSING FRAMEWORK

composer require flow-php/etl ^0.10.0

Changelog

Extracts

Read from various data sources.

Transforms

Shape and optimize for your needs.

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, from_array, from_data_frame, lit, ref, to_stream};

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

data_frame()
    ->read(
        from_data_frame(
            data_frame()
                ->read(from_array(
                    [
                        ['id' => 1],
                        ['id' => 2],
                        ['id' => 3],
                        ['id' => 4],
                        ['id' => 5],
                    ]
                ))
                ->withEntry('timestamp', ref('id')->multiply(lit(10000)))
        )
    )
    ->collect()
    ->write(to_stream(__DIR__ . '/output.txt', truncate: false))
    ->run();

Output

+----+-----------+
| id | timestamp |
+----+-----------+
|  1 |     10000 |
|  2 |     20000 |
|  3 |     30000 |
|  4 |     40000 |
|  5 |     50000 |
+----+-----------+
5 rows

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