4.0.0

Breaking changes

• PHP >= 5.4 compatibility (dropped PHP 5.3 support)
• New class Merge, that changes the way to merge translations.
• Gettext\Translation::getPluralTranslation() renamed to Translation::getPluralTranslations() and always returns an array with all plural translations
• Removed the print functions like __e(), n__e(), p__e(), etc. Use <?= __('text') ?> instead.
• The format PhpArray has a different structure
• Removed Gettext\Translation::normaliceTranslationCount() to improve performance
• Removed Gettext\Translator::initGettextFunction(). Use $translator->register().
• Invalid languages throw a InvalidArgumentException in Translations::setLanguage()
• If not specified, the default domain for translations is an empty string instead "messages"
• Changed the extractor and generator interfaces and allow to pass an array with the options instead use static properties.
• Removed the ability to include empty translations on generate Mo.

New extractors/generators

• Yaml
• Csv
• Xliff
• Json

Other changes

• Added the $checkContent argument to Translation::hasPluralTranslations() to check whether the plural translation contains any text or not
• Added Translations::$options to configure some default headers.
• Prevent to insert duplicated comments, flags and extracted comments in a translation
• Translations::register() returns the previous registered translations instance if exists.
• Improved tests
• Bugfixes
• Code improvements