PHP code example of bentools / etl

1. Go to this page and download the library: Download bentools/etl library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

bentools / etl example snippets


use BenTools\ETL\EtlExecutor;

// Given
$singers = ['Bob Marley', 'Amy Winehouse'];

// Transform each singer's name to uppercase and process the array
$etl = (new EtlExecutor())
    ->transformWith(fn (string $name) => strtoupper($name));

// When
$report = $etl->process($singers);

// Then
var_dump($report->output); // ["BOB MARLEY", "AMY WINEHOUSE"]


use BenTools\ETL\EventDispatcher\Event\TransformEvent;
use BenTools\ETL\Loader\JSONLoader;

use function BenTools\ETL\extractFrom;

$executor = extractFrom(function () {
    yield ['firstName' => 'Barack', 'lastName' => 'Obama'];
    yield ['firstName' => 'Donald', 'lastName' => 'Trump'];
    yield ['firstName' => 'Joe', 'lastName' => 'Biden'];
})
    ->transformWith(fn (array $item) => implode(' ', array_values($item)))
    ->loadInto(new JSONLoader())
    ->onTransform(function (TransformEvent $event) {
        if ('Donald Trump' === $event->transformResult->value) {
            $event->state->skip();
        }
    });

$report = $executor->process();

dump($report->output); // string '["Barack Obama", "Joe Biden"]'


$report = $executor->process(destination: 'file:///tmp/presidents.json');
var_dump($report->output); // string 'file:///tmp/presidents.json' - content has been written here