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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   Xavier Noguer

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

 * @version  CVS: $Id: lang.es.php 269650 2008-11-25 03:37:50Z clockwerx $

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

 */

/**

 * Class for translating numbers into Spanish (Castellano).

 *

 * @author Xavier Noguer

 * @package Numbers_Words

 */

/**

 * Include needed files

 */

require_once "Numbers/Words.php";

/**

 * Class for translating numbers into Spanish (Castellano).

 * It supports up to decallones (10^6).

 * It doesn't support spanish tonic accents (acentos).

 *

 * @category Numbers

 * @package  Numbers_Words

 * @author   Xavier Noguer

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

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

 */

class Numbers_Words_es extends Numbers_Words

{

    // {{{ properties

    /**

     * Locale name

     * @var string

     * @access public

     */

    var $locale = 'es';

    /**

     * Language name in English

     * @var string

     * @access public

     */

    var $lang = 'Spanish';

    /**

     * Native language name

     * @var string

     * @access public

     */

    var $lang_native = 'Español';

    /**

     * The word for the minus sign

     * @var string

     * @access private

     */

    var $_minus = 'menos';

    /**

     * The sufixes for exponents (singular and plural)

     * @var array

     * @access private

     */

    var $_exponent = array(

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

        6 => array('millón','millones'),

       12 => array('billón','billones'),

       18 => array('trilón','trillones'),

       24 => array('cuatrillón','cuatrillones'),

       30 => array('quintillón','quintillones'),

       36 => array('sextillón','sextillones'),

       42 => array('septillón','septillones'),

       48 => array('octallón','octallones'),

       54 => array('nonallón','nonallones'),

       60 => array('decallón','decallones'),

        );

    /**

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

     * @var array

     * @access private

     */

    var $_digits = array(

        'cinco', 'seis', 'siete', 'ocho', 'nueve'

        );

    /**

     * The word separator

     * @var string

     * @access private

     */

    var $_sep = ' ';

    // }}}

    // {{{ toWords()

    /**

     * Converts a number to its word representation

     * in Spanish (Castellano).

     *

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

     *                        that should be converted to a words representation

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

     *                        For example toWords(12,3) should give "doce mil".

     *                        Optional, defaults to 0.

     *

     * @return string  The corresponding word representation

     *

     * @access private

     * @author Xavier Noguer

     * @since  PHP 4.2.3

     */

    function toWords($num, $power = 0)

    {

        // The return string;

        $ret = '';

        // add a the word for the minus sign if necessary

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

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

            $num = substr($num, 1);

        }

        // strip excessive zero signs

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

        if (strlen($num) > 6) {

            $current_power = 6;

            // check for highest power

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

                // convert the number above the first 6 digits

                // with it's corresponding $power.

                $snum = substr($num, 0, -6);

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

                if ($snum !== '') {

                    $ret .= $this->toWords($snum, $power + 6);

                }

            }

            $num = substr($num, -6);

            if ($num == 0) {

                return $ret;

            }

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

            return(' '.$this->_digits[0]);

            $current_power = strlen($num);

        } else {

            $current_power = strlen($num);

        }

        // See if we need "thousands"

        $thousands = floor($num / 1000);

        if ($thousands == 1) {

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

        } elseif ($thousands > 1) {

            $ret .= $this->toWords($thousands, 3);

        }

        // values for digits, tens and hundreds

        $h = floor(($num / 100) % 10);

        $t = floor(($num / 10) % 10);

        $d = floor($num % 10);

        // cientos: doscientos, trescientos, etc...

        switch ($h) {

        case 1:

            if (($d == 0) and ($t == 0)) { // is it's '100' use 'cien'

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

            } else {

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

            }

            break;

        case 2:

        case 3:

        case 4:

        case 6:

        case 8:

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

            break;

        case 5:

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

            break;

        case 7:

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

            break;

        case 9:

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

            break;

        }

        // decenas: veinte, treinta, etc...

        switch ($t) {

        case 9:

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

            break;

        case 8:

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

            break;

        case 7:

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

            break;

        case 6:

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

            break;

        case 5:

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

            break;

        case 4:

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

            break;

        case 3:

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

            break;

        case 2:

            if ($d == 0) {

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

            } else {

                if (($power > 0) and ($d == 1)) {

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

                } else {

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

                }

            }

            break;

        case 1:

            switch ($d) {

            case 0:

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

                break;

            case 1:

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

                break;

            case 2:

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

                break;

            case 3:

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

                break;

            case 4:

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

                break;

            case 5:

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

                break;

            case 6:

            case 7:

            case 9:

            case 8:

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

                break;

            }

            break;

        }

        // add digits only if it is a multiple of 10 and not 1x or 2x

        if (($t != 1) and ($t != 2) and ($d > 0)) {

            // don't add 'y' for numbers below 10

            if ($t != 0) {

                // use 'un' instead of 'uno' when there is a suffix ('mil', 'millones', etc...)

                if (($power > 0) and ($d == 1)) {

                    $ret .= $this->_sep.' y un';

                } else {

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

                }

            } else {

                if (($power > 0) and ($d == 1)) {

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

                } else {

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

                }

            }

        }

        if ($power > 0) {

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

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

            }

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

                return null;

            }

            // if it's only one use the singular suffix

            if (($d == 1) and ($t == 0) and ($h == 0)) {

                $suffix = $lev[0];

            } else {

                $suffix = $lev[1];

            }

            if ($num != 0) {

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

            }

        }

        return $ret;

    }

    // }}}

}

?>