Fwd: String length

Seems I forgot to CC to the list. Sorry for messing about.

Moriyoshi

> From: Moriyoshi Koizumi <[email protected]>
> To: Hayk Chamyan <[email protected]>
> Subject: Re: [PHP-I18N] String length
> Content-Type: text/plain; charset=US-ASCII; format=flowed
> Message-Id: <[email protected]>
>
> Hi,
>
> On 2004/02/05, at 18:19, Hayk Chamyan wrote:
>
>>
>> Hi All.
>> I've got a question regarding the length of binary strings in MB 
>> String.
>> Now strlen(file_get_contents('file.bin')) returns string length in 
>> bytes. However, if in php.ini we overload the mb_strlen function in 
>> place of strlen, specifying mbstring.internal_encoding='UTF8', the 
>> result will be wrong.
>> In this regard the question is whether or not a function like 
>> mb_strleninbytes expected to return the string lenght in bytes is 
>> going to be introduced? Or, do you plan to use mb_strlen($str, ASCII) 
>> everywhere instead?
>
>
> You can use mb_orig_strlen() where the byte-wise behaviour is
> needed, when strlen() is overloaded by mb_strlen(). The same applies to
> other mbstring counterparts (e.g. substr() - mb_substr() - 
> mb_orig_substr()).
> This is an undocumented feature though.
>
> BTW, while it's found useful sometimes, it's also discouraged to use 
> function
> overloading as strlen() is the only reasonable way to retrieve the 
> length
> of a binary object in bytes at this time. I couldn't assure this, but
> sizeof() / count() will likely replace that functionality of strlen() 
> and
> strlen() will probably be used solely to get the actual character 
> count.
>
>
> Moriyoshi
>

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