DSL · Core

entry

Definition

/**
 * An alias for `ref`.
 */
entry(string $entry) : EntryReference

Usage examples

Data frame · Columns

<?php

declare(strict_types=1);

use function Flow\ETL\DSL\{data_frame, from_array, lit, ref, to_output};

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

data_frame()
    ->read(from_array([
        ['id' => 1, 'name' => 'Norbert'],
        ['id' => 2, 'name' => 'John'],
        ['id' => 3, 'name' => 'Jane'],
    ]))
    ->withEntry('active', ref('id')->isOdd())
    ->withEntry('number', lit(5))
    ->collect()
    ->write(to_output(truncate: false))
    ->run();

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