class NumberFormatter in Physical Fields 8

Default number formatter.

Uses the intl NumberFormatter class, if the intl PHP extension is enabled.

Commerce swaps out this class in order to use its own NumberFormatter which does not depend on the intl extension.

Hierarchy

• class \Drupal\physical\NumberFormatter implements NumberFormatterInterface

1 string reference to 'NumberFormatter'

physical.services.yml in ./physical.services.yml

physical.services.yml

1 service uses NumberFormatter

physical.number_formatter in ./physical.services.yml

Drupal\physical\NumberFormatter

File

src/NumberFormatter.php, line 15

Namespace

Drupal\physical

class NumberFormatter implements NumberFormatterInterface {

  /**
   * The intl number formatter.
   *
   * @var \NumberFormatter
   */
  protected $numberFormatter;

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * Constructs a new NumberFormatter object.
   *
   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
   *   The language manager.
   */
  public function __construct(LanguageManagerInterface $language_manager) {
    if (extension_loaded('intl')) {
      $language = $language_manager
        ->getConfigOverrideLanguage() ?: $language_manager
        ->getCurrentLanguage();
      $this->numberFormatter = new \NumberFormatter($language
        ->getId(), \NumberFormatter::DECIMAL);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function format($number, array $options = []) {
    $default_options = [
      'use_grouping' => TRUE,
      'minimum_fraction_digits' => 0,
      'maximum_fraction_digits' => 6,
    ];
    $options = array_replace($default_options, $options);
    if ($this->numberFormatter) {
      $this->numberFormatter
        ->setAttribute(\NumberFormatter::GROUPING_USED, $options['use_grouping']);
      $this->numberFormatter
        ->setAttribute(\NumberFormatter::MIN_FRACTION_DIGITS, $options['minimum_fraction_digits']);
      $this->numberFormatter
        ->setAttribute(\NumberFormatter::MAX_FRACTION_DIGITS, $options['maximum_fraction_digits']);
      $number = $this->numberFormatter
        ->format($number);
    }
    else {
      if ($options['minimum_fraction_digits'] == 0) {
        $number = Calculator::trim($number);
      }
    }
    return $number;
  }

  /**
   * {@inheritdoc}
   */
  public function parse($number) {
    if ($this->numberFormatter) {
      $number = $this->numberFormatter
        ->parse($number);

      // The returned number should be a string.
      if (is_numeric($number)) {
        $number = (string) $number;
      }
    }
    elseif (!is_numeric($number)) {

      // The intl extension is missing, validate the number at least.
      $number = FALSE;
    }
    return $number;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
NumberFormatter::$languageManager	protected	property	The language manager.
NumberFormatter::$numberFormatter	protected	property	The intl number formatter.
NumberFormatter::format	public	function	Formats the given number for the current language. Overrides NumberFormatterInterface::format
NumberFormatter::parse	public	function	Parses the given number. Overrides NumberFormatterInterface::parse
NumberFormatter::__construct	public	function	Constructs a new NumberFormatter object.