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To: Tomas Kuliavas <tokul@users.sourceforge.net>
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Subject: Re: [PHP-DEV] PHP Unicode extension in PHP6
From: antony@zend.com (Antony Dovgal)

On 19.05.2007 19:48, Tomas Kuliavas wrote:
>> Try this, you'll see it's really easy:
>> <?php
>> //in Unicode mode all strings created this way are Unicode strings
>> $s = "<any unicode string>";
>> var_dump(strlen(($s)));
>> var_dump(strlen((binary)$s));
>> ?>
> 
> http://www.php.net/language.types.type-juggling#language.types.typecasting
> 
> No (binary).
> PHP 4.1.2 = parse error in test2.php on line 5.
> PHP 5.2.0 = Parse error: syntax error, unexpected T_VARIABLE in test2.php
> on line 5
> It is E_PARSE error, so I can't apply fix after detecting PHP6.

Yes. We're talking of PHP6 here.
 
> Fix is not portable. We are talking about SquirrelMail code. Minimal PHP
> 4.1.x requirement.
>
> Good fix is closer to
> <?php
> //in Unicode mode all strings created this way are Unicode strings
> $s = "<any unicode string>";
> var_dump(strlen($s));
> // add php6 test here {
> settype($s,'binary');
> // }
> var_dump(strlen($s));
> ?>

In real life this hack would not be required, since you should/would be using streams returning binary data. 
My example was just to show how to cast unicode to binary string.
 
> I will have to write wrappers for all affected functions. Not wise.
>
> strlen("\xC4\x85") = 2. strlen((binary)"\xC4\x85") = 4. Not good. It is
> one character in utf-8.

I'm afraid I don't understand you again..

> Nevermind. Will watch how PHP6-dev changes and wait for better documentation.

Watch? Just watching is pointless.
Contribute to the discussions, exchange ideas, help developers - that'll make your life easier eventually.

-- 
Wbr, 
Antony Dovgal