Definition
entry_id_factory(string $entry_name) : IdFactory
Extracts
Read from various data sources.
Transforms
Shape and optimize for your needs.
Loads
Store and secure in one of many available data sinks.
DSL
Usage Examples
Example: Data writing - Elasticsearch
<?php
declare(strict_types=1);
use function Flow\ETL\Adapter\Elasticsearch\{entry_id_factory, es_hits_to_rows, from_es, to_es_bulk_index};
use function Flow\ETL\DSL\{data_frame, from_array, to_stream};
use Symfony\Component\Dotenv\Dotenv;
require __DIR__ . '/../../../autoload.php';
if (!\file_exists(__DIR__ . '/.env')) {
print 'Example skipped. Please create .env file with Azure Storage Account credentials.' . PHP_EOL;
return;
}
$dotenv = new Dotenv();
$dotenv->load(__DIR__ . '/.env');
data_frame()
->read(from_array([
['id' => 1, 'text' => 'lorem ipsum'],
['id' => 2, 'text' => 'lorem ipsum'],
['id' => 3, 'text' => 'lorem ipsum'],
['id' => 4, 'text' => 'lorem ipsum'],
['id' => 5, 'text' => 'lorem ipsum'],
['id' => 6, 'text' => 'lorem ipsum'],
]))
->write(
to_es_bulk_index(
[
'hosts' => [$_ENV['ELASTICSEARCH_URL']],
],
$index = 'test_index',
entry_id_factory('id')
)
)
->run();
data_frame()
->read(from_es(
[
'hosts' => [$_ENV['ELASTICSEARCH_URL']],
],
[
'index' => $index,
'body' => [
'query' => [
'match_all' => ['boost' => 1.0],
],
],
]
))
->write(to_stream(__DIR__ . '/output.raw.txt', truncate: false))
->transform(es_hits_to_rows())
->write(to_stream(__DIR__ . '/output.txt', truncate: false))
->run();
Examples
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