function BlockPluginTrait::getMachineNameSuggestion

File

core/lib/Drupal/Core/Block/BlockPluginTrait.php, line 247

Class

BlockPluginTrait

Provides the base implementation of a block plugin.

Namespace

Code

public function getMachineNameSuggestion() {
  $definition = $this->getPluginDefinition();
  $admin_label = $definition['admin_label'];
  // @todo This is basically the same as what is done in
  //   \Drupal\system\MachineNameController::transliterate(), so it might make
  //   sense to provide a common service for the two.
  $transliterated = $this->transliteration()
    ->transliterate($admin_label, LanguageInterface::LANGCODE_DEFAULT, '_');
  $transliterated = mb_strtolower($transliterated);
  $transliterated = preg_replace('@[^a-z0-9_.]+@', '', $transliterated);
  // Furthermore remove any characters that are not alphanumerical from the
  // beginning and end of the transliterated string.
  $transliterated = preg_replace('@^([^a-z0-9]+)|([^a-z0-9]+)$@', '', $transliterated);
  return $transliterated;
}