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;
}