source: branches/rsr.v5.1.1/web/punbb/include/utf8/ucfirst.php @ 6

<?php

/**
* @version $Id: ucfirst.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
* @package utf8
* @subpackage strings
*/

/**
* UTF-8 aware alternative to ucfirst
* Make a string's first character uppercase
* Note: requires utf8_strtoupper
* @param string
* @return string with first character as upper case (if applicable)
* @see http://www.php.net/ucfirst
* @see utf8_strtoupper
* @package utf8
* @subpackage strings
*/
function utf8_ucfirst($str)
{
        switch (utf8_strlen($str))
        {
                case 0:
                        return '';
                        break;
                case 1:
                        return utf8_strtoupper($str);
                        break;
                default:
                        preg_match('/^(.{1})(.*)$/us', $str, $matches);
                        return utf8_strtoupper($matches[1]).$matches[2];
                        break;
        }
}