protected function DiffFormatter::_changed in Drupal 9

Same name in this branch

1. 9 core/lib/Drupal/Core/Diff/DiffFormatter.php \Drupal\Core\Diff\DiffFormatter::_changed()
2. 9 core/lib/Drupal/Component/Diff/DiffFormatter.php \Drupal\Component\Diff\DiffFormatter::_changed()

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Diff/DiffFormatter.php \Drupal\Core\Diff\DiffFormatter::_changed()

Overrides DiffFormatter::_changed

File

core/lib/Drupal/Core/Diff/DiffFormatter.php, line 185

Class

DiffFormatter

Diff formatter which uses returns output that can be rendered to a table.

Namespace

Drupal\Core\Diff

Code

protected function _changed($orig, $closing) {
  $orig = array_map('\\Drupal\\Component\\Utility\\Html::escape', $orig);
  $closing = array_map('\\Drupal\\Component\\Utility\\Html::escape', $closing);
  $diff = new WordLevelDiff($orig, $closing);
  $del = $diff
    ->orig();
  $add = $diff
    ->closing();

  // Notice that WordLevelDiff returns HTML-escaped output. Hence, we will be
  // calling addedLine/deletedLine without HTML-escaping.
  while ($line = array_shift($del)) {
    $aline = array_shift($add);
    $this->rows[] = array_merge($this
      ->deletedLine($line), isset($aline) ? $this
      ->addedLine($aline) : $this
      ->emptyLine());
  }

  // If any leftovers.
  foreach ($add as $line) {
    $this->rows[] = array_merge($this
      ->emptyLine(), $this
      ->addedLine($line));
  }
}