aklump

class FormatPhoneNumber {

  const FORMAT = '(%d) %d-%d';
  const SMS_FORMAT = '+1%d%d%d';

  public function __invoke(string $number, string $format = NULL) {
    $number = preg_replace('#[^0-9]#', '', $number);
    preg_match('#(.+)?(\d{3})(\d{3})(\d{4})$#', $number, $matches);
    array_shift($matches);
    array_shift($matches);

aklump

<?php

use Drupal\paragraphs\ParagraphInterface;

/**
 * Get the delta on the host entity for a paragraph.
 */
class GetHostDelta {

  public function __invoke(ParagraphInterface $paragraph): ?string {

aklump

<?php

namespace Drupal\se_core\Traits;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\Entity\EntityFormDisplay;

trait GetFormModeTrait {

  protected function getFormMode(FormStateInterface $form_state): string {

aklump

<?php

namespace Drupal\se_core\Plugin\Field\FieldWidget;

use Drupal;
use Drupal\Component\Utility\Color;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Form\FormStateInterface;

aklump

<?php

namespace Drupal\se_core\Plugin\Field\FieldWidget;

use Drupal;
use Drupal\Component\Utility\Color;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\Plugin\Field\FieldWidget\EntityReferenceAutocompleteWidget;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Form\FormStateInterface;

aklump

<?php

namespace Drupal\se_core\Helpers;

use DateTimeInterface;
use DateTimeZone;
use Drupal\Core\Entity\Query\QueryInterface;
use Drupal\datetime\Plugin\Field\FieldType\DateTimeItemInterface;
use Drupal\field\Entity\FieldStorageConfig;
use RuntimeException;

aklump

$version = class_exists('\Drupal') ? Drupal::VERSION : NULL;
$version = $version ?? (defined('VERSION') ? constant('VERSION') : NULL);

aklump

<?php

/**
 * Throw an exception for a bash file, message and exit code.
 *
 * This class creates an exception where getFile returns a path with the correct
 * basename, and in some cases the correct line number where the exit code
 * occurred.
 */
class ThrowShellError {

aklump

class HumanList {

  use \Drupal\Core\StringTranslation\StringTranslationTrait;

  public function __invoke(array $items): string {
    $last = array_pop($items);

    return $this->t(':items and :item', [
      ':items' => implode(', ', $items),
      ':item' => $last,

aklump

class UpperCamel {

  public function __invoke(string $value): string {
    $value = preg_replace('/[\s\-_]/s', ' ', $value);
    $value = trim(preg_replace('/[A-Z]/', ' \0', $value));
    $value = preg_replace('/(\s)\s+/s', '\1', $value);
    $value = ucwords($value);
    $value = preg_replace('/\s+/s', '', $value);

    return $value;