mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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256 lines
8.3 KiB
PHP
256 lines
8.3 KiB
PHP
<?php
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/**
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* Number Helper.
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*
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* Methods to make numbers more readable.
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.View.Helper
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* @since CakePHP(tm) v 0.10.0.1076
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('AppHelper', 'View/Helper');
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/**
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* Number helper library.
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*
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* Methods to make numbers more readable.
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*
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* @package Cake.View.Helper
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html
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*/
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class NumberHelper extends AppHelper {
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/**
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* Currencies supported by the helper. You can add additional currency formats
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* with NumberHelper::addFormat
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*
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* @var array
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*/
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protected $_currencies = array(
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'USD' => array(
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'wholeSymbol' => '$', 'wholePosition' => 'before', 'fractionSymbol' => 'c', 'fractionPosition' => 'after',
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'zero' => 0, 'places' => 2, 'thousands' => ',', 'decimals' => '.', 'negative' => '()', 'escape' => true
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),
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'GBP' => array(
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'wholeSymbol' => '£', 'wholePosition' => 'before', 'fractionSymbol' => 'p', 'fractionPosition' => 'after',
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'zero' => 0, 'places' => 2, 'thousands' => ',', 'decimals' => '.', 'negative' => '()','escape' => false
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),
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'EUR' => array(
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'wholeSymbol' => '€', 'wholePosition' => 'before', 'fractionSymbol' => false, 'fractionPosition' => 'after',
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'zero' => 0, 'places' => 2, 'thousands' => '.', 'decimals' => ',', 'negative' => '()', 'escape' => false
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)
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);
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/**
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* Default options for currency formats
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*
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* @var array
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*/
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protected $_currencyDefaults = array(
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'wholeSymbol' => '', 'wholePosition' => 'before', 'fractionSymbol' => '', 'fractionPosition' => 'after',
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'zero' => '0', 'places' => 2, 'thousands' => ',', 'decimals' => '.','negative' => '()', 'escape' => true
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);
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/**
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* Formats a number with a level of precision.
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*
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* @param float $number A floating point number.
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* @param integer $precision The precision of the returned number.
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* @return float Formatted float.
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::precision
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*/
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public function precision($number, $precision = 3) {
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return sprintf("%01.{$precision}f", $number);
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}
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/**
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* Returns a formatted-for-humans file size.
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*
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* @param integer $size Size in bytes
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* @return string Human readable size
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::toReadableSize
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*/
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public function toReadableSize($size) {
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switch (true) {
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case $size < 1024:
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return __dn('cake', '%d Byte', '%d Bytes', $size, $size);
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case round($size / 1024) < 1024:
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return __d('cake', '%d KB', $this->precision($size / 1024, 0));
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case round($size / 1024 / 1024, 2) < 1024:
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return __d('cake', '%.2f MB', $this->precision($size / 1024 / 1024, 2));
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case round($size / 1024 / 1024 / 1024, 2) < 1024:
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return __d('cake', '%.2f GB', $this->precision($size / 1024 / 1024 / 1024, 2));
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default:
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return __d('cake', '%.2f TB', $this->precision($size / 1024 / 1024 / 1024 / 1024, 2));
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}
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}
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/**
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* Formats a number into a percentage string.
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*
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* @param float $number A floating point number
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* @param integer $precision The precision of the returned number
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* @return string Percentage string
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::toPercentage
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*/
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public function toPercentage($number, $precision = 2) {
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return $this->precision($number, $precision) . '%';
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}
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/**
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* Formats a number into a currency format.
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*
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* @param float $number A floating point number
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* @param integer $options if int then places, if string then before, if (,.-) then use it
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* or array with places and before keys
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* @return string formatted number
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::format
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*/
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public function format($number, $options = false) {
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$places = 0;
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if (is_int($options)) {
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$places = $options;
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}
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$separators = array(',', '.', '-', ':');
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$before = $after = null;
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if (is_string($options) && !in_array($options, $separators)) {
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$before = $options;
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}
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$thousands = ',';
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if (!is_array($options) && in_array($options, $separators)) {
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$thousands = $options;
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}
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$decimals = '.';
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if (!is_array($options) && in_array($options, $separators)) {
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$decimals = $options;
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}
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$escape = true;
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if (is_array($options)) {
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$options = array_merge(array('before' => '$', 'places' => 2, 'thousands' => ',', 'decimals' => '.'), $options);
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extract($options);
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}
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$out = $before . number_format($number, $places, $decimals, $thousands) . $after;
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if ($escape) {
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return h($out);
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}
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return $out;
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}
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/**
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* Formats a number into a currency format.
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*
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* ### Options
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*
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* - `before` - The currency symbol to place before whole numbers ie. '$'
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* - `after` - The currency symbol to place after decimal numbers ie. 'c'. Set to boolean false to
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* use no decimal symbol. eg. 0.35 => $0.35.
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* - `zero` - The text to use for zero values, can be a string or a number. ie. 0, 'Free!'
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* - `places` - Number of decimal places to use. ie. 2
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* - `thousands` - Thousands separator ie. ','
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* - `decimals` - Decimal separator symbol ie. '.'
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* - `negative` - Symbol for negative numbers. If equal to '()', the number will be wrapped with ( and )
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* - `escape` - Should the output be htmlentity escaped? Defaults to true
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*
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* @param float $number
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* @param string $currency Shortcut to default options. Valid values are 'USD', 'EUR', 'GBP', otherwise
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* set at least 'before' and 'after' options.
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* @param array $options
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* @return string Number formatted as a currency.
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::currency
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*/
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public function currency($number, $currency = 'USD', $options = array()) {
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$default = $this->_currencyDefaults;
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if (isset($this->_currencies[$currency])) {
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$default = $this->_currencies[$currency];
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} elseif (is_string($currency)) {
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$options['before'] = $currency;
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}
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$options = array_merge($default, $options);
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if (isset($options['before']) && $options['before'] !== '') {
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$options['wholeSymbol'] = $options['before'];
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}
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if (isset($options['after']) && !$options['after'] !== '') {
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$options['fractionSymbol'] = $options['after'];
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}
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$result = $options['before'] = $options['after'] = null;
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$symbolKey = 'whole';
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if ($number == 0 ) {
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if ($options['zero'] !== 0 ) {
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return $options['zero'];
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}
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} elseif ($number < 1 && $number > -1 ) {
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if ($options['fractionSymbol'] !== false) {
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$multiply = intval('1' . str_pad('', $options['places'], '0'));
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$number = $number * $multiply;
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$options['places'] = null;
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$symbolKey = 'fraction';
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}
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}
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$position = $options[$symbolKey.'Position'] != 'after' ? 'before' : 'after';
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$options[$position] = $options[$symbolKey.'Symbol'];
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$abs = abs($number);
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$result = $this->format($abs, $options);
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if ($number < 0 ) {
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if ($options['negative'] == '()') {
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$result = '(' . $result .')';
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} else {
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$result = $options['negative'] . $result;
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}
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}
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return $result;
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}
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/**
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* Add a currency format to the Number helper. Makes reusing
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* currency formats easier.
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*
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* {{{ $number->addFormat('NOK', array('before' => 'Kr. ')); }}}
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*
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* You can now use `NOK` as a shortform when formatting currency amounts.
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*
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* {{{ $number->currency($value, 'NOK'); }}}
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*
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* Added formats are merged with the following defaults.
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*
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* {{{
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* array(
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* 'before' => '$', 'after' => 'c', 'zero' => 0, 'places' => 2, 'thousands' => ',',
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* 'decimals' => '.', 'negative' => '()', 'escape' => true
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* )
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* }}}
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*
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* @param string $formatName The format name to be used in the future.
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* @param array $options The array of options for this format.
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* @return void
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* @see NumberHelper::currency()
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::addFormat
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*/
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public function addFormat($formatName, $options) {
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$this->_currencies[$formatName] = $options + $this->_currencyDefaults;
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}
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}
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