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https://github.com/silverstripe/silverstripe-framework
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a9e1d45381
ENHANCEMENT Added thirdparty externals for Zend_Currency, Zend_Locale, Zend_Registry, Zend_Exception, Zend_Cache in preparation for the new Money class git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@76099 467b73ca-7a2a-4603-9d3b-597d59a354a9
625 lines
20 KiB
PHP
625 lines
20 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Currency
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Currency.php 6137 2007-08-19 14:55:27Z shreef $
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*/
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/**
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* include needed classes
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*/
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require_once 'Zend/Locale.php';
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require_once 'Zend/Locale/Data.php';
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require_once 'Zend/Locale/Format.php';
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/**
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* Class for handling currency notations
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*
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* @category Zend
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* @package Zend_Currency
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Currency
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{
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// Constants for defining what currency symbol should be displayed
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const NO_SYMBOL = 1;
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const USE_SYMBOL = 2;
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const USE_SHORTNAME = 3;
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const USE_NAME = 4;
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// Constants for defining the position of the currencysign
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const STANDARD = 8;
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const RIGHT = 16;
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const LEFT = 32;
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/**
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* Locale for this currency
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*
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* @var string
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*/
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private $_locale = null;
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/**
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* Options array
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*
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* The following options are available
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* 'position' => Position for the currency sign
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* 'script' => Script for the output
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* 'format' => Locale for numeric output
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* 'display' => Currency detail to show
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* 'precision' => Precision for the currency
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* 'name' => Name for this currency
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* 'currency' => 3 lettered international abbreviation
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* 'symbol' => Currency symbol
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*
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* @var array
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* @see Zend_Locale
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*/
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protected $_options = array(
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'position' => self::STANDARD,
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'script' => null,
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'format' => null,
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'display' => self::NO_SYMBOL,
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'precision' => 2,
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'name' => null,
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'currency' => null,
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'symbol' => null
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);
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/**
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* Creates a currency instance. Every supressed parameter is used from the actual or the given locale.
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*
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* @param string $currency OPTIONAL currency short name
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* @param string|Zend_Locale $locale OPTIONAL locale name
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* @throws Zend_Currency_Exception When currency is invalid
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*/
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public function __construct($currency = null, $locale = null)
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{
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if (Zend_Locale::isLocale($currency, true, false)) {
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$temp = $locale;
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$locale = $currency;
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$currency = $temp;
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}
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$this->setLocale($locale);
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// Get currency details
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$this->_options['currency'] = self::getShortName($currency, $this->_locale);
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$this->_options['name'] = self::getName($currency, $this->_locale);
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$this->_options['symbol'] = self::getSymbol($currency, $this->_locale);
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if (($this->_options['currency'] === null) and ($this->_options['name'] === null)) {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception("Currency '$currency' not found");
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}
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// Get the format
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$this->_options['display'] = self::NO_SYMBOL;
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if (empty($this->_options['symbol']) === false) {
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$this->_options['display'] = self::USE_SYMBOL;
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} else if (empty($this->_options['currency']) === false) {
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$this->_options['display'] = self::USE_SHORTNAME;
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}
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}
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/**
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* Returns a localized currency string
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*
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* @param integer|float $value Currency value
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* @param array $options OPTIONAL options to set temporary
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* @throws Zend_Currency_Exception When the value is not a number
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* @return string
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*/
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public function toCurrency($value, array $options = array())
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{
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// Validate the passed number
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if ((isset($value) === false) or (is_numeric($value) === false)) {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception("Value '$value' has to be numeric");
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}
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$options = $this->_checkOptions($options) + $this->_options;
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// Format the number
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$format = $options['format'];
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$locale = $this->_locale;
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if (empty($format) === true) {
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$format = Zend_Locale_Data::getContent($this->_locale, 'currencynumber');
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} else if (Zend_Locale::isLocale($format, true, false)) {
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$locale = $format;
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$format = Zend_Locale_Data::getContent($format, 'currencynumber');
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}
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$symbols = Zend_Locale_Data::getList($locale, 'symbols');
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$original = $value;
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$value = Zend_Locale_Format::toNumber($value, array('locale' => $locale,
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'number_format' => $format,
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'precision' => $options['precision']));
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if ($options['position'] !== self::STANDARD) {
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$value = str_replace('¤', '', $value);
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$space = '';
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if (iconv_strpos($value, ' ') !== false) {
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$value = str_replace(' ', '', $value);
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$space = ' ';
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}
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if ($options['position'] == self::LEFT) {
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$value = '¤' . $space . $value;
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} else {
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$value = $value . $space . '¤';
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}
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}
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// Localize the number digits
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if (empty($options['script']) === false) {
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$value = Zend_Locale_Format::convertNumerals($value, 'Latn', $options['script']);
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}
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// Get the sign to be placed next to the number
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if (is_numeric($options['display']) === false) {
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$sign = $options['display'];
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} else {
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switch($options['display']) {
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case self::USE_SYMBOL:
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$sign = $this->_extractPattern($options['symbol'], $original);
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break;
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case self::USE_SHORTNAME:
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$sign = $options['currency'];
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break;
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case self::USE_NAME:
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$sign = $options['name'];
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break;
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default:
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$sign = '';
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$value = str_replace(' ', '', $value);
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break;
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}
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}
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$value = str_replace('¤', $sign, $value);
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return $value;
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}
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/**
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* Internal method to extract the currency pattern
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* when a choice is given based on the given value
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*
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* @param string $pattern
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* @param float|integer $value
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* @return string
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*/
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private function _extractPattern($pattern, $value)
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{
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if (strpos($pattern, '|') === false) {
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return $pattern;
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}
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$patterns = explode('|', $pattern);
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$token = $pattern;
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$value = trim(str_replace('¤', '', $value));
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krsort($patterns);
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foreach($patterns as $content) {
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if (strpos($content, '<') !== false) {
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$check = iconv_substr($content, 0, iconv_strpos($content, '<'));
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$token = iconv_substr($content, iconv_strpos($content, '<') + 1);
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if ($check < $value) {
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return $token;
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}
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} else {
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$check = iconv_substr($content, 0, iconv_strpos($content, '≤'));
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$token = iconv_substr($content, iconv_strpos($content, '≤') + 1);
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if ($check <= $value) {
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return $token;
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}
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}
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}
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return $token;
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}
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/**
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* Sets the formating options of the localized currency string
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* If no parameter is passed, the standard setting of the
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* actual set locale will be used
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*
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* @param array $options (Optional) Options to set
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* @return Zend_Currency
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*/
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public function setFormat(array $options = array())
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{
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$this->_options = $this->_checkOptions($options) + $this->_options;
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return $this;
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}
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/**
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* Internal function for checking static given locale parameter
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*
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* @param string $currency (Optional) Currency name
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* @param string|Zend_Locale $locale (Optional) Locale to display informations
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* @throws Zend_Currency_Exception When locale contains no region
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* @return string The extracted locale representation as string
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*/
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private function _checkParams($currency = null, $locale = null)
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{
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// Manage the params
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if ((empty($locale)) and (!empty($currency)) and
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(Zend_Locale::isLocale($currency, true, false))) {
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$locale = $currency;
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$currency = null;
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}
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// Validate the locale and get the country short name
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$country = null;
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if ((Zend_Locale::isLocale($locale, true, false)) and (strlen($locale) > 4)) {
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$country = substr($locale, (strpos($locale, '_') + 1));
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} else {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception("No region found within the locale '" . (string) $locale . "'");
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}
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// Get the available currencies for this country
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$data = Zend_Locale_Data::getContent($locale, 'currencytoregion', $country);
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if ((empty($currency) === false) and (empty($data) === false)) {
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$abbreviation = $currency;
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} else {
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$abbreviation = $data;
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}
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return array('locale' => $locale, 'currency' => $currency, 'name' => $abbreviation, 'country' => $country);
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}
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/**
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* Returns the actual or details of other currency symbols,
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* when no symbol is available it returns the currency shortname (f.e. FIM for Finnian Mark)
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*
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* @param string $currency (Optional) Currency name
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* @param string|Zend_Locale $locale (Optional) Locale to display informations
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* @return string
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*/
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public function getSymbol($currency = null, $locale = null)
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{
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if (($currency === null) and ($locale === null)) {
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return $this->_options['symbol'];
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}
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$params = self::_checkParams($currency, $locale);
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// Get the symbol
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$symbol = Zend_Locale_Data::getContent($params['locale'], 'currencysymbol', $params['currency']);
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if (empty($symbol) === true) {
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$symbol = Zend_Locale_Data::getContent($params['locale'], 'currencysymbol', $params['name']);
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}
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if (empty($symbol) === true) {
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return null;
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}
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return $symbol;
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}
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/**
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* Returns the actual or details of other currency shortnames
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*
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* @param string $currency OPTIONAL Currency's name
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* @param string|Zend_Locale $locale OPTIONAL The locale
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* @return string
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*/
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public function getShortName($currency = null, $locale = null)
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{
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if (($currency === null) and ($locale === null)) {
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return $this->_options['currency'];
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}
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$params = self::_checkParams($currency, $locale);
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// Get the shortname
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if (empty($params['currency']) === true) {
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return $params['name'];
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}
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$list = Zend_Locale_Data::getContent($params['locale'], 'currencytoname', $params['currency']);
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if (empty($list) === true) {
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$list = Zend_Locale_Data::getContent($params['locale'], 'nametocurrency', $params['currency']);
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if (empty($list) === false) {
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$list = $params['currency'];
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}
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}
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if (empty($list) === true) {
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return null;
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}
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return $list;
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}
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/**
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* Returns the actual or details of other currency names
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*
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* @param string $currency (Optional) Currency's short name
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* @param string|Zend_Locale $locale (Optional) The locale
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* @return string
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*/
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public function getName($currency = null, $locale = null)
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{
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if (($currency === null) and ($locale === null)) {
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return $this->_options['name'];
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}
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$params = self::_checkParams($currency, $locale);
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// Get the name
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$name = Zend_Locale_Data::getContent($params['locale'], 'nametocurrency', $params['currency']);
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if (empty($name) === true) {
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$name = Zend_Locale_Data::getContent($params['locale'], 'nametocurrency', $params['name']);
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}
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if (empty($name) === true) {
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return null;
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}
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return $name;
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}
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/**
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* Returns a list of regions where this currency is or was known
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*
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* @param string $currency OPTIONAL Currency's short name
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* @throws Zend_Currency_Exception When no currency was defined
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* @return array List of regions
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*/
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public function getRegionList($currency = null)
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{
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if ($currency === null) {
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$currency = $this->_options['currency'];
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}
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if (empty($currency) === true) {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception('No currency defined');
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}
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$data = Zend_Locale_Data::getContent('', 'regiontocurrency', $currency);
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$result = explode(' ', $data);
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return $result;
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}
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/**
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* Returns a list of currencies which are used in this region
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* a region name should be 2 charachters only (f.e. EG, DE, US)
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* If no region is given, the actual region is used
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*
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* @param string $region OPTIONAL Region to return the currencies for
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* @return array List of currencies
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*/
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public function getCurrencyList($region = null)
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{
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if (empty($region) === true) {
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if (strlen($this->_locale) > 4) {
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$region = substr($this->_locale, (strpos($this->_locale, '_') + 1));
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}
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}
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return Zend_Locale_Data::getList('', 'regiontocurrency', $region);
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}
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/**
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* Returns the actual currency name
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*
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* @return string
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*/
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public function toString()
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{
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return (empty($this->_options['name']) === false) ? $this->_options['name'] : $this->_options['currency'];
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}
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/**
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* Returns the currency name
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->toString();
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}
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/**
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* Returns the set cache
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*
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* @return Zend_Cache_Core The set cache
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*/
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public static function getCache()
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{
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$cache = Zend_Locale_Data::getCache();
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return $cache;
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}
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/**
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* Sets a cache for Zend_Currency
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*
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* @param Zend_Cache_Core $cache Cache to set
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* @return void
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*/
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public static function setCache(Zend_Cache_Core $cache)
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{
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Zend_Locale_Data::setCache($cache);
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}
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/**
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* Returns true when a cache is set
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*
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* @return boolean
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*/
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public static function hasCache()
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{
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return Zend_Locale_Data::hasCache();
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}
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/**
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* Removes any set cache
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*
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* @return void
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*/
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public static function removeCache()
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{
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Zend_Locale_Data::removeCache();
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}
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/**
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* Clears all set cache data
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*
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* @return void
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*/
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public static function clearCache()
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{
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Zend_Locale_Data::clearCache();
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}
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/**
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* Sets a new locale for data retreivement
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* Example: 'de_XX' will be set to 'de' because 'de_XX' does not exist
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* 'xx_YY' will be set to 'root' because 'xx' does not exist
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*
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* @param string|Zend_Locale $locale (Optional) Locale for parsing input
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* @throws Zend_Currency_Exception When the given locale does not exist
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* @return Zend_Currency Provides fluent interface
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*/
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public function setLocale($locale = null)
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{
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require_once 'Zend/Locale.php';
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try {
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$this->_locale = Zend_Locale::findLocale($locale);
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} catch (Zend_Locale_Exception $e) {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception($e->getMessage());
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}
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// Get currency details
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$this->_options['currency'] = $this->getShortName(null, $this->_locale);
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$this->_options['name'] = $this->getName(null, $this->_locale);
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$this->_options['symbol'] = $this->getSymbol(null, $this->_locale);
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return $this;
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}
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/**
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* Returns the actual set locale
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*
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* @return string
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*/
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public function getLocale()
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{
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return $this->_locale;
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}
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/**
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* Internal method for checking the options array
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*
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* @param array $options Options to check
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* @throws Zend_Currency_Exception On unknown position
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* @throws Zend_Currency_Exception On unknown locale
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* @throws Zend_Currency_Exception On unknown display
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* @throws Zend_Currency_Exception On precision not between -1 and 30
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* @throws Zend_Currency_Exception On problem with script conversion
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* @throws Zend_Currency_Exception On unknown options
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* @return array
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*/
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||
private function _checkOptions(array $options = array())
|
||
{
|
||
if (count($options) === 0) {
|
||
return $this->_options;
|
||
}
|
||
|
||
foreach ($options as $name => $value) {
|
||
$name = strtolower($name);
|
||
if ($name !== 'format') {
|
||
if (gettype($value) === 'string') {
|
||
$value = strtolower($value);
|
||
}
|
||
}
|
||
|
||
switch($name) {
|
||
case 'position':
|
||
if (($value !== self::STANDARD) and ($value !== self::RIGHT) and ($value !== self::LEFT)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("Unknown position '" . $value . "'");
|
||
}
|
||
|
||
break;
|
||
|
||
case 'format':
|
||
if ((empty($value) === false) and (Zend_Locale::isLocale($value, null, false) === false)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("'" .
|
||
((gettype($value) === 'object') ? get_class($value) : $value)
|
||
. "' is not a known locale.");
|
||
}
|
||
break;
|
||
|
||
case 'display':
|
||
if (is_numeric($value) and ($value !== self::NO_SYMBOL) and ($value !== self::USE_SYMBOL) and
|
||
($value !== self::USE_SHORTNAME) and ($value !== self::USE_NAME)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("Unknown display '$value'");
|
||
}
|
||
break;
|
||
|
||
case 'precision':
|
||
if ($value === null) {
|
||
$value = -1;
|
||
}
|
||
|
||
if (($value < -1) or ($value > 30)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("'$value' precision has to be between -1 and 30.");
|
||
}
|
||
break;
|
||
|
||
case 'script':
|
||
try {
|
||
Zend_Locale_Format::convertNumerals(0, $options['script']);
|
||
} catch (Zend_Locale_Exception $e) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception($e->getMessage());
|
||
}
|
||
break;
|
||
|
||
case 'name':
|
||
// Break intentionally omitted
|
||
case 'currency':
|
||
// Break intentionally omitted
|
||
case 'symbol':
|
||
// Unchecked options
|
||
break;
|
||
|
||
default:
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("Unknown option: '$name' = '$value'");
|
||
break;
|
||
}
|
||
}
|
||
|
||
return $options;
|
||
}
|
||
}
|