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function countPalindromes($word) {
  $palindromes = 0;
  $word_length = strlen($word);
  for ($chunk_size = $word_length; $chunk_size > 0; --$chunk_size) {
    for ($pos = 0; $pos <= ($word_length - $chunk_size); $pos++) {
      $substr = substr($word, $pos, $chunk_size);
      if ($substr === strrev($substr)) {
        ++$palindromes;
      }
    }

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;

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<?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;

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$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

<?php

/**
 * A class that formats an array of items into a human-readable string.
 *
 * When the class is invoked as a callable, it formats the provided array
 * by joining all elements with commas and adding "and" before the last item.
 * This is typically used for creating natural language representations of lists.
 *
 * Methods: