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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.en_100.php 269648 2008-11-25 02:45:52Z clockwerx $* @link http://pear.php.net/package/Numbers_Words*//*** Class for translating numbers into Donald Knuth system, in English language.** @author Piotr Klaban* @package Numbers_Words*//*** Include needed files*/require_once "Numbers/Words.php";/*** Class for translating numbers into Donald Knuth system, in English language.** @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_en_100 extends Numbers_Words{// {{{ properties/*** Locale name* @var string* @access public*/var $locale = 'en_100';/*** Language name in English* @var string* @access public*/var $lang = 'English (Donald Knuth system)';/*** Native language name* @var string* @access public*/var $lang_native = 'English (Donald Knuth system)';/*** The word for the minus sign* @var string* @access private*/var $_minus = 'minus'; // minus sign/*** The sufixes for exponents (singular and plural)* Names based on:* http://home.earthlink.net/~mrob/pub/math/largenum.html* Donald Knuth system (power of 2)* @var array* @access private*/var $_exponent = array(0 => array(''),2 => array('hundred'),4 => array('myriad'),8 => array('myllion'),16 => array('byllion'),32 => array('tryllion'),64 => array('quadryllion'),128 => array('quintyllion'),256 => array('sextyllion'),512 => array('septyllion'),1024 => array('octyllion'),2048 => array('nonyllion'),4096 => array('decyllion'),8192 => array('undecyllion'),16384 => array('duodecyllion'),32768 => array('tredecyllion'),65536 => array('quattuordecyllion'),131072 => array('quindecyllion'),262144 => array('sexdecyllion'),524288 => array('septendecyllion'),1048576 => array('octodecyllion'),2097152 => array('novemdecyllion'),4194304 => array('vigintyllion'));/*** The array containing the digits (indexed by the digits themselves).* @var array* @access private*/var $_digits = array(0 => 'zero', 'one', 'two', 'three', 'four','five', 'six', 'seven', 'eight', 'nine');/*** The word separator* @var string* @access private*/var $_sep = ' ';// }}}// {{{ toWords()/*** Converts a number to its word representation* in Donald Knuth system, in English 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 signif (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 powerif (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] . $this->_sep . 'hundred';// in English only - add ' and' for [1-9]01..[1-9]99// (also for 1001..1099, 10001..10099 but it is harder)// for now it is switched off, maybe some language purists// can force me to enable it, or to remove it completely// if (($t + $d) > 0)// $ret .= $this->_sep . 'and';}// ten, twenty etc.switch ($t) {case 9:case 7:case 6:$ret .= $this->_sep . $this->_digits[$t] . 'ty';break;case 8:$ret .= $this->_sep . 'eighty';break;case 5:$ret .= $this->_sep . 'fifty';break;case 4:$ret .= $this->_sep . 'forty';break;case 3:$ret .= $this->_sep . 'thirty';break;case 2:$ret .= $this->_sep . 'twenty';break;case 1:switch ($d) {case 0:$ret .= $this->_sep . 'ten';break;case 1:$ret .= $this->_sep . 'eleven';break;case 2:$ret .= $this->_sep . 'twelve';break;case 3:$ret .= $this->_sep . 'thirteen';break;case 4:case 6:case 7:case 9:$ret .= $this->_sep . $this->_digits[$d] . 'teen';break;case 5:$ret .= $this->_sep . 'fifteen';break;case 8:$ret .= $this->_sep . 'eighteen';break;}break;}if ($t != 1 && $d > 0) { // add digits only in <0>,<1,9> and <21,inf>// add minus sign between [2-9] and digitif ($t > 1) {$ret .= '-' . $this->_digits[$d];} 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;}$ret .= $this->_sep . $lev[0];}if ($powsuffix != '') {$ret .= $this->_sep . $powsuffix;}return $ret;}// }}}}?>