Language written right to left. Possible value of $language->direction. File core/lib/Drupal/Core
The language state when referring to locked languages. File core/lib/Drupal/Core/Language/LanguageInterface
public LanguageInterface::isDefault()
Language code referring to the default language of data, e.g. of an entity. See the BCP 47 syntax for defining private language tags:
The language code used when no language is explicitly assigned (yet). Should be used when language information is not available or cannot be
The type of language used to define the content language. File core/lib/Drupal/Core/Language/LanguageInterface
public LanguageInterface::getWeight()
public LanguageInterface::getId() Gets
Defines a language. Hierarchy interface \Drupal\Core\Language\
Special system language code (only applicable to UI language). Refers to the language used in Drupal and module/theme source code. Drupal uses
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