Talk presented at CakeFest 2011, in Manchester-UK.

1. S
INTERNATIONALIZING
YOUR APPLICATION
by Renan Gonçalves
Sunday, September 4, 11

2. WHO IS THIS GUY?
Software Engineer
TrueServer B.V.
CakePHP since 2007
Contributing since 2008
Brazilian
Sunday, September 4, 11

3. LOCALIZATION
Adapting or converting the application to be used on
a particular locale
Locale defines:
User’s language
Country
Sunday, September 4, 11

4. LOCALE
language[_territory][.charset][@modifier]
en
en_US
cs_CZ.UTF-8
pt_BR@CE
Sunday, September 4, 11

5. 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 realize
http://en.wikipedia.org/wiki/En-GB-oed#Language_tag_comparison
Sunday, September 4, 11

6. INTERNATIONALIZATION
Supporting international data
Text Content
Numbers
Currencies
Dates / Times
Calendars
Sunday, September 4, 11

7. 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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8. WRITING CONVENTIONS
Date/time format
Different calendars
Time zones
Number formatting
Difference in symbols
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9. CULTURE
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10. CULTURE
Images and colors
Telephone numbers
Currency
Symbols, format
Weights and measures
Government assigned numbers
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11. OTHERS
National variants of languages
Local content
Order of sorting (collation)
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12. 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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13. OKAY, LETS RULE THE WORLD
SUPPORT ALL LOCALES!
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14. NOT THAT EASY!
Countries in the world (249)
Languages in the world (6,309)
+ variants
http://en.wikipedia.org/wiki/Lists_of_countries_and_territories
http://en.wikipedia.org/wiki/Lists_of_languages
Sunday, September 4, 11

15. FEEL AT HOME
Small changes, big impact
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16. PERSONAL NAMES
AROUND THE WORLD
Björk Guðmundsdóttir (Icelandic)
Isa bin Osman (Malay)
John Quincy Adams
Sunday, September 4, 11

17. PERSONAL NAMES
AROUND THE WORLD
First name Middle name Last name
Renan Gonçalves Cardoso de Lima
First name Last name
Renan Gonçalves Cardoso de Lima
Initials Between names Last name
R. G. C. de Lima
http://www.w3.org/International/questions/qa-personal-names
Sunday, September 4, 11

18. PERSONAL NAMES
AROUND THE WORLD
Full name
Renan Gonçalves Cardoso de Lima
What should we call you?
Renan
Sunday, September 4, 11

19. 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
Sunday, September 4, 11

20. HOW?
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21. PROBLEMS
The context can change
Hard to find exactly what you want
Hard to know what it means
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22. PLURAL
https://developer.mozilla.org/en/Localization_and_Plurals
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23. CAKEPHP WAY
Using i18n and L10n libraries
Using Translate Behavior
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24. I18N
Others functions: __d(), __dn(), __dc(), __dcn(), __c()
http://book.cakephp.org/view/1229/Internationalizing-Your-Application
Sunday, September 4, 11

25. I18N
$ cake i18n extract
Locale/default.pot
#: FileName.php:lineNumber
msgid "Welcome to our application!"
msgstr ""
#: FileName.php:lineNumber
msgid "You have %d item in your basket."
msgid_plural "You have %d items in your basket."
msgstr[0] ""
msgstr[1] ""
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26. POEDIT
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27. I18N
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28. TRANSLATE BEHAVIOR
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29. TRANSLATE BEHAVIOR
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30. L10N
Manage the locales
Identify the locale
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31. L10N
Request
HTTP_ACCEPT_LANGUAGE
IP to country (GeoIP Lite)
URL parameter
book.cakephp.org/pt
URL
book.cakephp.jp
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32. GOODIES
Localized plugin
Localized validation
https://github.com/cakephp/localized
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33. TROUBLESHOOTING
Right encoding
unicode
html metatag
database charset
file charset
Configure::write(‘App.encoding’, ‘UTF-8’);
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34. QUESTIONS?
Sunday, September 4, 11

35. THANK YOU!
renan.saddam@cakephp.org
@renan_saddam on twitter and #cakephp
http://github.com/renansaddam
Sunday, September 4, 11