<?php namespace Fisharebest\Localization\PluralRule;

/**
 * Class PluralRule10 - Select a plural form for a specified number.
 *
 * Families:
 * Slavic (Slovenian, Sorbian)
 *
 * nplurals=4; plural=(n%100==1 ? 1 : n%100==2 ? 2 : n%100==3 || n%100==4 ? 3 : 0);
 *
 * @author    Greg Roach <fisharebest@gmail.com>
 * @copyright (c) 2015 Greg Roach
 * @license   GPLv3+
 */
class PluralRule10 implements PluralRuleInterface {
	/** {@inheritdoc} */
	public function plurals() {
		return 4;
	}

	/** {@inheritdoc} */
	public function plural($number) {
		$number = abs($number);

		if ($number % 100 === 1) {
			return 0;
		} elseif ($number % 100 === 2) {
			return 1;
		} elseif ($number % 100 === 3 || $number % 100 === 4) {
			return 2;
		} else {
			return 3;
		}
	}
}
