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<?php
namespace Drupal\language\Config;
/**
* Provides a common trait for working with language override collection names.
*/
trait LanguageConfigCollectionNameTrait {
/**
* Creates a configuration collection name based on a language code.
*
* @param string $langcode
* The language code.
*
* @return string
* The configuration collection name for a language code.
*/
protected function createConfigCollectionName($langcode) {
return 'language.' . $langcode;
}
/**
* Converts a configuration collection name to a language code.
*
* @param string $collection
* The configuration collection name.
*
* @return string
* The language code of the collection.
*
* @throws \InvalidArgumentException
* Exception thrown if the provided collection name is not in the format
* "language.LANGCODE".
*
* @see self::createConfigCollectionName()
*/
protected function getLangcodeFromCollectionName($collection) {
preg_match('/^language\.(.*)$/', $collection, $matches);
if (!isset($matches[1])) {
throw new \InvalidArgumentException("'$collection' is not a valid language override collection");
}
return $matches[1];
}
}
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