Horde_Date::_regexCallback PHP Method

    protected function _regexCallback($reg)
    {
        switch ($reg[0]) {
            case '%b':
                return $this->strftime(Horde_Nls::getLangInfo(constant('ABMON_' . (int) $this->_month)));
            case '%B':
                return $this->strftime(Horde_Nls::getLangInfo(constant('MON_' . (int) $this->_month)));
            case '%C':
                return (int) ($this->_year / 100);
            case '%-d':
            case '%#d':
                return sprintf('%d', $this->_mday);
            case '%d':
                return sprintf('%02d', $this->_mday);
            case '%D':
                return $this->strftime('%m/%d/%y');
            case '%e':
                return sprintf('%2d', $this->_mday);
            case '%-H':
            case '%#H':
                return sprintf('%d', $this->_hour);
            case '%H':
                return sprintf('%02d', $this->_hour);
            case '%-I':
            case '%#I':
                return sprintf('%d', $this->_hour == 0 ? 12 : ($this->_hour > 12 ? $this->_hour - 12 : $this->_hour));
            case '%I':
                return sprintf('%02d', $this->_hour == 0 ? 12 : ($this->_hour > 12 ? $this->_hour - 12 : $this->_hour));
            case '%-m':
            case '%#m':
                return sprintf('%d', $this->_month);
            case '%m':
                return sprintf('%02d', $this->_month);
            case '%-M':
            case '%#M':
                return sprintf('%d', $this->_min);
            case '%M':
                return sprintf('%02d', $this->_min);
            case '%n':
                return "\n";
            case '%p':
                return $this->strftime(Horde_Nls::getLangInfo($this->_hour < 12 ? AM_STR : PM_STR));
            case '%R':
                return $this->strftime('%H:%M');
            case '%-S':
            case '%#S':
                return sprintf('%d', $this->_sec);
            case '%S':
                return sprintf('%02d', $this->_sec);
            case '%t':
                return "\t";
            case '%T':
                return $this->strftime('%H:%M:%S');
            case '%x':
                return $this->strftime(Horde_Nls::getLangInfo(D_FMT));
            case '%X':
                return $this->strftime(Horde_Nls::getLangInfo(T_FMT));
            case '%y':
                return substr(sprintf('%04d', $this->_year), -2);
            case '%Y':
                return (int) $this->_year;
            case '%%':
                return '%';
        }
        return $reg[0];
    }