While PHP5 gaining popularity development of PHP6 is in progress. The main upgrade happens is the Unicode support for almost all php functions. Check the complete upgrade plans on developers meeting notes.
With PHP6 new features we can mix Unicode in code. See the fun.

See PHP developer Andrei Zmievski’s talks on Unicode in PHP6.
With this upgrade possibilities of developing libraries in Unicode languages, and using them to code applications in mother tongue is possible.Coding in Malayalam, Hindi or Arabic will go smooth. Not need to know English to do a computer programming then
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February 15th, 2007 at 3:54 pm
What abt keywords? On Screenshot key words are in englsih.
February 16th, 2007 at 12:46 am
We can have code libraries with wrapper functions and classes for one language. And this library can be used to code in that language.
that is what I said
April 10th, 2007 at 10:50 pm
What is surprising to me is that it took so long for full unicode support! It should have been added in PHP5
April 15th, 2007 at 6:40 am
[...] –> It was really exciting to me when I read that new version of PHP scripting language is going to support Unicode. The Unicode support in PHP6 will allow developers to script in their local language. Most of the [...]
April 16th, 2007 at 7:36 am
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