class PluralizationRules in Plug 7

Returns the plural rules for a given locale.

@author Fabien Potencier <[e-mail]>

Hierarchy

• class \Symfony\Component\Translation\PluralizationRules

1 file declares its use of PluralizationRules

PluralizationRulesTest.php in lib/Symfony/translation/Tests/PluralizationRulesTest.php

File

lib/Symfony/translation/PluralizationRules.php, line 19

Namespace

Symfony\Component\Translation

class PluralizationRules {
  private static $rules = array();

  /**
   * Returns the plural position to use for the given locale and number.
   *
   * @param int    $number The number
   * @param string $locale The locale
   *
   * @return int The plural position
   */
  public static function get($number, $locale) {
    if ('pt_BR' === $locale) {

      // temporary set a locale for brazilian
      $locale = 'xbr';
    }
    if (strlen($locale) > 3) {
      $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
    }
    if (isset(self::$rules[$locale])) {
      $return = call_user_func(self::$rules[$locale], $number);
      if (!is_int($return) || $return < 0) {
        return 0;
      }
      return $return;
    }

    /*
     * The plural rules are derived from code of the Zend Framework (2010-09-25),
     * which is subject to the new BSD license (http://framework.zend.com/license/new-bsd).
     * Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
     */
    switch ($locale) {
      case 'bo':
      case 'dz':
      case 'id':
      case 'ja':
      case 'jv':
      case 'ka':
      case 'km':
      case 'kn':
      case 'ko':
      case 'ms':
      case 'th':
      case 'tr':
      case 'vi':
      case 'zh':
        return 0;
        break;
      case 'af':
      case 'az':
      case 'bn':
      case 'bg':
      case 'ca':
      case 'da':
      case 'de':
      case 'el':
      case 'en':
      case 'eo':
      case 'es':
      case 'et':
      case 'eu':
      case 'fa':
      case 'fi':
      case 'fo':
      case 'fur':
      case 'fy':
      case 'gl':
      case 'gu':
      case 'ha':
      case 'he':
      case 'hu':
      case 'is':
      case 'it':
      case 'ku':
      case 'lb':
      case 'ml':
      case 'mn':
      case 'mr':
      case 'nah':
      case 'nb':
      case 'ne':
      case 'nl':
      case 'nn':
      case 'no':
      case 'om':
      case 'or':
      case 'pa':
      case 'pap':
      case 'ps':
      case 'pt':
      case 'so':
      case 'sq':
      case 'sv':
      case 'sw':
      case 'ta':
      case 'te':
      case 'tk':
      case 'ur':
      case 'zu':
        return $number == 1 ? 0 : 1;
      case 'am':
      case 'bh':
      case 'fil':
      case 'fr':
      case 'gun':
      case 'hi':
      case 'ln':
      case 'mg':
      case 'nso':
      case 'xbr':
      case 'ti':
      case 'wa':
        return $number == 0 || $number == 1 ? 0 : 1;
      case 'be':
      case 'bs':
      case 'hr':
      case 'ru':
      case 'sr':
      case 'uk':
        return $number % 10 == 1 && $number % 100 != 11 ? 0 : ($number % 10 >= 2 && $number % 10 <= 4 && ($number % 100 < 10 || $number % 100 >= 20) ? 1 : 2);
      case 'cs':
      case 'sk':
        return $number == 1 ? 0 : ($number >= 2 && $number <= 4 ? 1 : 2);
      case 'ga':
        return $number == 1 ? 0 : ($number == 2 ? 1 : 2);
      case 'lt':
        return $number % 10 == 1 && $number % 100 != 11 ? 0 : ($number % 10 >= 2 && ($number % 100 < 10 || $number % 100 >= 20) ? 1 : 2);
      case 'sl':
        return $number % 100 == 1 ? 0 : ($number % 100 == 2 ? 1 : ($number % 100 == 3 || $number % 100 == 4 ? 2 : 3));
      case 'mk':
        return $number % 10 == 1 ? 0 : 1;
      case 'mt':
        return $number == 1 ? 0 : ($number == 0 || $number % 100 > 1 && $number % 100 < 11 ? 1 : ($number % 100 > 10 && $number % 100 < 20 ? 2 : 3));
      case 'lv':
        return $number == 0 ? 0 : ($number % 10 == 1 && $number % 100 != 11 ? 1 : 2);
      case 'pl':
        return $number == 1 ? 0 : ($number % 10 >= 2 && $number % 10 <= 4 && ($number % 100 < 12 || $number % 100 > 14) ? 1 : 2);
      case 'cy':
        return $number == 1 ? 0 : ($number == 2 ? 1 : ($number == 8 || $number == 11 ? 2 : 3));
      case 'ro':
        return $number == 1 ? 0 : ($number == 0 || $number % 100 > 0 && $number % 100 < 20 ? 1 : 2);
      case 'ar':
        return $number == 0 ? 0 : ($number == 1 ? 1 : ($number == 2 ? 2 : ($number % 100 >= 3 && $number % 100 <= 10 ? 3 : ($number % 100 >= 11 && $number % 100 <= 99 ? 4 : 5))));
      default:
        return 0;
    }
  }

  /**
   * Overrides the default plural rule for a given locale.
   *
   * @param string $rule   A PHP callable
   * @param string $locale The locale
   *
   * @throws \LogicException
   */
  public static function set($rule, $locale) {
    if ('pt_BR' === $locale) {

      // temporary set a locale for brazilian
      $locale = 'xbr';
    }
    if (strlen($locale) > 3) {
      $locale = substr($locale, 0, -strlen(strrchr($locale, '_')));
    }
    if (!is_callable($rule)) {
      throw new \LogicException('The given rule can not be called');
    }
    self::$rules[$locale] = $rule;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PluralizationRules::$rules	private static	property
PluralizationRules::get	public static	function	Returns the plural position to use for the given locale and number.
PluralizationRules::set	public static	function	Overrides the default plural rule for a given locale.