INTERNATIONALIZING YOUR APPLICATION

by Renan Gonçalves

S

Sunday, September 4, 11

WHO IS THIS GUY?

Software Engineer

TrueServer B.V.

CakePHP since 2007

Contributing since 2008

Brazilian

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LOCALIZATION

Adapting or converting the application to be used on a particular locale

Locale defines:

User’s language

Country

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LOCALE

en

en_US

cs_CZ.UTF-8

pt_BR@CE

language[_territory][.charset][@modifier]

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LOCALE

en_GB en_GB@oed en_CA en_US

analyse analyse analy[sz]e analyze

behaviour behaviour behaviour behavior

centre centre centre center

defence defence defence defense

globalisation globalization globalization globalization

realise realize realize realizehttp://en.wikipedia.org/wiki/En-GB-oed#Language_tag_comparison

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INTERNATIONALIZATION

Supporting international data

Text Content

Numbers

Currencies

Dates / Times

Calendars

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LANGUAGE

Different systems of numerals

decimal (10), vigesimal (20), octogesimal (80), etc

Writing direction

left to right and right to left

Graphical representation of texts

Audio

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WRITING CONVENTIONS

Date/time format

Different calendars

Time zones

Number formatting

Difference in symbols

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CULTURE

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CULTURE

Images and colors

Telephone numbers

Currency

Symbols, format

Weights and measures

Government assigned numbers

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OTHERS

National variants of languages

Local content

Order of sorting (collation)

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WHY CARE?

World, 7 billion.China, 1.3 billion. US, 312 million. Brazil, 190 million. UK, 62 million. Netherlands, 17 million.

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OKAY, LETS RULE THE WORLDSUPPORT ALL LOCALES!

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NOT THAT EASY!

Countries in the world (249)

Languages in the world (6,309)

+ variants

http://en.wikipedia.org/wiki/Lists_of_languages

http://en.wikipedia.org/wiki/Lists_of_countries_and_territories

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FEEL AT HOME

Small changes, big impact

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PERSONAL NAMES AROUND THE WORLD

Björk Guðmundsdóttir (Icelandic)

Isa bin Osman (Malay)

John Quincy Adams

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PERSONAL NAMES AROUND THE WORLD

http://www.w3.org/International/questions/qa-personal-names

First name Middle name Last nameRenan Gonçalves Cardoso de Lima

First name Last nameRenan Gonçalves Cardoso de Lima

Initials Between names Last nameR. G. C. de Lima

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PERSONAL NAMES AROUND THE WORLD

Full nameRenan Gonçalves Cardoso de Lima

What should we call you?Renan

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PERSONAL NAMES AROUND THE WORLD

Björk Guðmundsdóttir (Icelandic)

Ms. Björk or Ms. Björk Guðmundsdóttir

Isa bin Osman (Malay)

Mr. Isa

John Quincy Adams

Mr. Adams

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HOW?

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PROBLEMS

The context can change

Hard to find exactly what you want

Hard to know what it means

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PLURAL

https://developer.mozilla.org/en/Localization_and_Plurals

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CAKEPHP WAY

Using i18n and L10n libraries

Using Translate Behavior

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I18N

Others functions: __d(), __dn(), __dc(), __dcn(), __c()http://book.cakephp.org/view/1229/Internationalizing-Your-Application

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I18N

$ cake i18n extract

Locale/default.pot

#: FileName.php:lineNumbermsgid "Welcome to our application!"msgstr ""

#: FileName.php:lineNumbermsgid "You have %d item in your basket."msgid_plural "You have %d items in your basket."msgstr[0] ""msgstr[1] ""

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POEDIT

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I18N

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TRANSLATE BEHAVIOR

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TRANSLATE BEHAVIOR

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L10N

Manage the locales

Identify the locale

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L10N

Request

HTTP_ACCEPT_LANGUAGE

IP to country (GeoIP Lite)

URL parameter

book.cakephp.org/pt

URL

book.cakephp.jp

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GOODIES

Localized plugin

Localized validation

https://github.com/cakephp/localized

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TROUBLESHOOTING

Right encoding

unicode

html metatag

database charset

file charset

Configure::write(‘App.encoding’, ‘UTF-8’);

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QUESTIONS?

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THANK YOU!

renan.saddam@cakephp.org

@renan_saddam on twitter and #cakephp

http://github.com/renansaddam

Sunday, September 4, 11