What are good tools/frameworks for i18n of a php codebase?

Question

I have been looking at a few options for enabling localization and internationalization of a dynamic php application. There appears to be a variety of tools available such a

Answer 1

the database driven solution to show the messages is not always the good one, I worked in a site with more than 15 languages and translations were an issue.

so our design was:

• translation app in php-mysql (translation access, etc.)
• then translations are written in php arrrays
• these arrays are also cached in APC to speed up the site.

so to localize different languages you only need do an include

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