ParamsReturnSource
Parses a locale into locale tags. This is the pendant to `Locale::compose()``.

Parameters

  • string $locale A locale in an arbitrary form (i.e. `'en_US'` or `'EN-US'`).

Returns

array Parsed language, script, territory and variant tags.

Source

						public static function decompose($locale) {
		$regex  = '(?P<language>[a-z]{2,3})';
		$regex .= '(?:[_-](?P<script>[a-z]{4}))?';
		$regex .= '(?:[_-](?P<territory>[a-z]{2}))?';
		$regex .= '(?:[_-](?P<variant>[a-z]{5,}))?';

		if (!preg_match("/^{$regex}$/i", $locale, $matches)) {
			throw new InvalidArgumentException("Locale `{$locale}` could not be parsed.");
		}
		return array_filter(array_intersect_key($matches, static::$_tags));
	}