<?php declare(strict_types=1); use function Flow\ETL\DSL\{data_frame, from_array, to_stream}; use Flow\ETL\Loader\StreamLoader\Output; require __DIR__ . '/../../../autoload.php'; data_frame() ->read(from_array([ ['id' => 1, 'name' => 'Product 1', 'active' => true, 'tags' => ['tag1', 'tag2']], ['id' => 2, 'name' => 'Product 2', 'active' => false, 'address' => ['city' => 'London', 'country' => 'UK']], ['id' => 3, 'name' => 'Product 3', 'active' => true, 'tags' => ['tag1', 'tag2']], ['id' => 3, 'name' => 'Product 3', 'active' => true], ])) ->collect() ->write(to_stream(__DIR__ . '/output.txt', truncate: false, output: Output::schema)) ->run();
schema |-- id: integer |-- name: string |-- active: boolean |-- tags: ?list<string> |-- address: ?map<string, string>
