Attribute Generator

AttributeGenerator.php

<?php
use Drush\Drush;
use Drupal\commerce_product\Entity\ProductAttributeValue;
use Symfony\Component\Yaml\Yaml;

$yml = file_get_contents('/app/config/templates/commerce-attributes/attributes.yml');
$attributes = Yaml::parse($yml);

// For each attribute
foreach ($attributes as $attribute) {
  $machineName = strtolower($attribute['machine_name']);
  $machineName = preg_replace('/[^a-z0-9_]+/', '_', $machineName);
  $machineName = preg_replace('/_+/', '_', $machineName);

  $data = ProductAttributeValue::create([
    'attribute' => $machineName,
    'name' => 'test',
  ]);
  $data->save();
}