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To: Daniel Convissor <danielc@analysisandsolutions.com>
Cc: PHP Internals List <internals@lists.php.net>,
        Ulf Wendel
 <ulf.wendel@oracle.com>
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	 <1326977447.2722.10.camel@guybrush>  <20120121133107.GA7255@panix.com>
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Organization: Oracle Corporation
Date: Mon, 23 Jan 2012 10:40:04 +0100
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Subject: Re: [PHP-DEV] mysqli_fetch_field() mysqlnd & libmysql differences
From: johannes.schlueter@oracle.com (Johannes =?ISO-8859-1?Q?Schl=FCter?=)

Hi,

On Sat, 2012-01-21 at 08:31 -0500, Daniel Convissor wrote:
> Hi Johannes:
> 
> > The documentation tells
> >         
> >         http://dev.mysql.com/doc/refman/5.5/en/c-api-data-structures.html
> >         
> > So it is working in bytes and has to hold all possible values.
> 
> That's how MySQL's internal API works.  At the same time, PHP's users
> expect PHP to behave as documented.  http://php.net/mysqli_fetch_field says
> length is "The width of the field, as specified in the table
> definition."

We have to live with the information the server gives us. The server
gives us the information in bytes. And frankly in PHP a string has no
encoding information, so in many cases that is a good answer. But
nonetheless the documentation should be improved/fixed.

johannes