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<?php

/**

 * Numbers_Words

 *

 * PHP version 4

 *

 * Copyright (c) 1997-2006 The PHP Group

 *

 * This source file is subject to version 3.0 of the PHP license,

 * that is bundled with this package in the file LICENSE, and is

 * available at through the world-wide-web at

 * http://www.php.net/license/3_0.txt.

 * If you did not receive a copy of the PHP license and are unable to

 * obtain it through the world-wide-web, please send a note to

 * license@php.net so we can mail you a copy immediately.

 *

 * @category Numbers

 * @package  Numbers_Words

 * @author   Piotr Klaban <makler@man.torun.pl>

 * @license  PHP 3.0 http://www.php.net/license/3_0.txt

 * @version  CVS: $Id: lang.de.php 269649 2008-11-25 03:14:15Z clockwerx $

 * @link     http://pear.php.net/package/Numbers_Words

 */

/**

 *

 * Class for translating numbers into German.

 * @author Piotr Klaban

 * @package Numbers_Words

 */

/**

 * Include needed files

 */

require_once "Numbers/Words.php";

/**

 * Class for translating numbers into German.

 *

 * @category Numbers

 * @package  Numbers_Words

 * @author   Piotr Klaban <makler@man.torun.pl>

 * @license  PHP 3.0 http://www.php.net/license/3_0.txt

 * @link     http://pear.php.net/package/Numbers_Words

 */

class Numbers_Words_de extends Numbers_Words

{

    // {{{ properties

    /**

     * Locale name

     * @var string

     * @access public

     */

    var $locale = 'de';

    /**

     * Language name in English

     * @var string

     * @access public

     */

    var $lang = 'German';

    /**

     * Native language name

     * @var string

     * @access public

     */

    var $lang_native = 'Deutsch';

    /**

     * The word for the minus sign

     * @var string

     * @access private

     */

    var $_minus = 'Minus'; // minus sign

    /**

     * The sufixes for exponents (singular and plural)

     * Names partly based on:

     * http://german.about.com/library/blzahlenaud.htm

     * http://www3.osk.3web.ne.jp/~nagatani/common/zahlwort.htm

     * @var array

     * @access private

     */

    var $_exponent = array(

        3 => array('tausend','tausend'),

        6 => array('Million','Millionen'),

        9 => array('Milliarde','Milliarden'),

       12 => array('Billion','Billionen'),

       15 => array('Billiarde','Billiarden'),

       18 => array('Trillion','Trillionen'),

       21 => array('Trilliarde','Trilliarden'),

       24 => array('Quadrillion','Quadrillionen'),

       27 => array('Quadrilliarde','Quadrilliarden'),

       30 => array('Quintillion','Quintillionen'),

       33 => array('Quintilliarde','Quintilliarden'),

       36 => array('Sextillion','Sextillionen'),

       39 => array('Sextilliarde','Sextilliarden'),

       42 => array('Septillion','Septillionen'),

       45 => array('Septilliarde','Septilliarden'),

       48 => array('Oktillion','Oktillionen'), // oder Octillionen

       51 => array('Oktilliarde','Oktilliarden'),

       54 => array('Nonillion','Nonillionen'),

       57 => array('Nonilliarde','Nonilliarden'),

       60 => array('Dezillion','Dezillionen'),

       63 => array('Dezilliarde','Dezilliarden'),

      120 => array('Vigintillion','Vigintillionen'),

      123 => array('Vigintilliarde','Vigintilliarden'),

      600 => array('Zentillion','Zentillionen'), // oder Centillion

      603 => array('Zentilliarde','Zentilliarden')

        );

    /**

     * The array containing the digits (indexed by the digits themselves).

     * @var array

     * @access private

     */

    var $_digits = array(

        'fünf', 'sechs', 'sieben', 'acht', 'neun'

    );

    /**

     * The word separator

     * @var string

     * @access private

     */

    var $_sep = '';

    /**

     * The exponent word separator

     * @var string

     * @access private

     */

    var $_sep2 = ' ';

    // }}}

    // {{{ toWords()

    /**

     * Converts a number to its word representation

     * in German language.

     *

     * @param integer $num       An integer between -infinity and infinity inclusive :)

     *                           that need to be converted to words

     * @param integer $power     The power of ten for the rest of the number to the right.

     *                           Optional, defaults to 0.

     * @param integer $powsuffix The power name to be added to the end of the return string.

     *                            Used internally. Optional, defaults to ''.

     *

     * @return string  The corresponding word representation

     *

     * @access public

     * @author Piotr Klaban <makler@man.torun.pl>

     * @since  PHP 4.2.3

     */

    function toWords($num, $power = 0, $powsuffix = '')

    {

        $ret = '';

        // add a minus sign

        if (substr($num, 0, 1) == '-') {

            $ret = $this->_sep . $this->_minus;

            $num = substr($num, 1);

        }

        // strip excessive zero signs and spaces

        $num = trim($num);

        $num = preg_replace('/^0+/', '', $num);

        if (strlen($num) > 3) {

            $maxp = strlen($num)-1;

            $curp = $maxp;

            for ($p = $maxp; $p > 0; --$p) { // power

                // check for highest power

                if (isset($this->_exponent[$p])) {

                    // send substr from $curp to $p

                    $snum = substr($num, $maxp - $curp, $curp - $p + 1);

                    $snum = preg_replace('/^0+/', '', $snum);

                    if ($snum !== '') {

                        $cursuffix = $this->_exponent[$power][count($this->_exponent[$power])-1];

                        if ($powsuffix != '') {

                            $cursuffix .= $this->_sep . $powsuffix;

                        }

                        $ret .= $this->toWords($snum, $p, $cursuffix);

                    }

                    $curp = $p - 1;

                    continue;

                }

            }

            $num = substr($num, $maxp - $curp, $curp - $p + 1);

            if ($num == 0) {

                return $ret;

            }

        } elseif ($num == 0 || $num == '') {

            return $this->_sep . $this->_digits[0];

        }

        $h = $t = $d = 0;

        switch(strlen($num)) {

        case 3:

            $h = (int)substr($num, -3, 1);

        case 2:

            $t = (int)substr($num, -2, 1);

        case 1:

            $d = (int)substr($num, -1, 1);

            break;

        case 0:

            return;

            break;

        }

        if ($h) {

            $ret .= $this->_sep . $this->_digits[$h] . $this->_sep . 'hundert';

        }

        if ($t != 1 && $d > 0) { // add digits only in <0>,<1,9> and <21,inf>

            if ($t > 0) {

                $ret .= $this->_digits[$d] . 'und';

            } else {

                $ret .= $this->_digits[$d];

                if ($d == 1) {

                    if ($power == 0) {

                        $ret .= 's'; // fuer eins

                    } else {

                        if ($power != 3) {  // tausend ausnehmen

                            $ret .= 'e'; // fuer eine

                        }

                    }

                }

            }

        }

        // ten, twenty etc.

        switch ($t) {

        case 9:

        case 8:

        case 5:

            $ret .= $this->_sep . $this->_digits[$t] . 'zig';

            break;

        case 7:

            $ret .= $this->_sep . 'siebzig';

            break;

        case 6:

            $ret .= $this->_sep . 'sechzig';

            break;

        case 4:

            $ret .= $this->_sep . 'vierzig';

            break;

        case 3:

            $ret .= $this->_sep . 'dreißig';

            break;

        case 2:

            $ret .= $this->_sep . 'zwanzig';

            break;

        case 1:

            switch ($d) {

            case 0:

                $ret .= $this->_sep . 'zehn';

                break;

            case 1:

                $ret .= $this->_sep . 'elf';

                break;

            case 2:

                $ret .= $this->_sep . 'zwölf';

                break;

            case 3:

            case 4:

            case 5:

            case 8:

            case 9:

                $ret .= $this->_sep . $this->_digits[$d] . 'zehn';

                break;

            case 6:

                $ret .= $this->_sep . 'sechzehn';

                break;

            case 7:

                $ret .= $this->_sep . 'siebzehn';

                break;

            }

            break;

        }

        if ($power > 0) {

            if (isset($this->_exponent[$power])) {

                $lev = $this->_exponent[$power];

            }

            if (!isset($lev) || !is_array($lev)) {

                return null;

            }

            if ($power == 3) {

                $ret .= $this->_sep . $lev[0];

            } elseif ($d == 1 && ($t+$h) == 0) {

                $ret .= $this->_sep2 . $lev[0] . $this->_sep2;

            } else {

                $ret .= $this->_sep2 . $lev[1] . $this->_sep2;

            }

        }

        if ($powsuffix != '') {

            $ret .= $this->_sep . $powsuffix;

        }

        return $ret;

    }

    // }}}

}

?>