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@title Internationalization
@group developer
Describes Phabricator translation and localization.
Overview
========
Phabricator partially supports internationalization, but many of the tools
are missing or in a prototype state.
This document very briefly summarizes some of what exists today.
Writing Translatable Code
========
Strings are marked for translation with @{function@libphutil:pht}.
Adding a New Locale
=========
To add a new locale, subclass @{class:PhutilLocale}.
Translating Strings
========
To translate strings, subclass @{class:PhutilTranslation}.
Singular and Plural
========
Different languages have various rules for using singular and plural. All you
need to do is to call @{function@libphutil:pht} with a text that is suitable for
both forms. Example:
pht('%d beer(s)', $count);
Translators will translate this text for all different forms the language uses:
// English translation
array('%d beer', '%d beers');
// Czech translation
array('%d pivo', '%d piva', '%d piv');
The ugly identifier passed to @{function@libphutil:pht} will remain in the text
only if the translation doesn't exist.
Male and Female
========
Different languages use different words for talking about males, females and
unknown genders. Callsites have to call @{function@libphutil:pht} passing
@{class:PhabricatorUser} (or other implementation of
@{interface@libphutil:PhutilPerson}) if talking about the user. Example:
pht('%s wrote', $actor);
Translators will create this translations:
// English translation
'%s wrote';
// Czech translation
array('%s napsal', '%s napsala');
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