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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Locale
  * @subpackage Format
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @version    $Id$
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /**
  * include needed classes
  */
 // require_once 'Zend/Locale/Data.php';
 
 /**
  * @category   Zend
  * @package    Zend_Locale
  * @subpackage Format
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Locale_Format
 {
     const STANDARD   = 'auto';
 
     private static $_options = array('date_format'   => null,
                                      'number_format' => null,
                                      'format_type'   => 'iso',
                                      'fix_date'      => false,
                                      'locale'        => null,
                                      'cache'         => null,
                                      'disableCache'  => null,
                                      'precision'     => null);
 
     /**
      * Sets class wide options, if no option was given, the actual set options will be returned
      * The 'precision' option of a value is used to truncate or stretch extra digits. -1 means not to touch the extra digits.
      * The 'locale' option helps when parsing numbers and dates using separators and month names.
      * The date format 'format_type' option selects between CLDR/ISO date format specifier tokens and PHP's date() tokens.
      * The 'fix_date' option enables or disables heuristics that attempt to correct invalid dates.
      * The 'number_format' option can be used to specify a default number format string
      * The 'date_format' option can be used to specify a default date format string, but beware of using getDate(),
      * checkDateFormat() and getTime() after using setOptions() with a 'format'.  To use these four methods
      * with the default date format for a locale, use array('date_format' => null, 'locale' => $locale) for their options.
      *
      * @param  array  $options  Array of options, keyed by option name: format_type = 'iso' | 'php', fix_date = true | false,
      *                          locale = Zend_Locale | locale string, precision = whole number between -1 and 30
      * @throws Zend_Locale_Exception
      * @return array if no option was given
      */
     public static function setOptions(array $options = array())
     {
         self::$_options = self::_checkOptions($options) + self::$_options;
         return self::$_options;
     }
 
     /**
      * Internal function for checking the options array of proper input values
      * See {@link setOptions()} for details.
      *
      * @param  array  $options  Array of options, keyed by option name: format_type = 'iso' | 'php', fix_date = true | false,
      *                          locale = Zend_Locale | locale string, precision = whole number between -1 and 30
      * @throws Zend_Locale_Exception
      * @return array if no option was given
      */
     private static function _checkOptions(array $options = array())
     {
         if (count($options) == 0) {
             return self::$_options;
         }
         foreach ($options as $name => $value) {
             $name  = strtolower($name);
             if ($name !== 'locale') {
                 if (gettype($value) === 'string') {
                     $value = strtolower($value);
                 }
             }
 
             switch($name) {
                 case 'number_format' :
                     if ($value == Zend_Locale_Format::STANDARD) {
                         $locale = self::$_options['locale'];
                         if (isset($options['locale'])) {
                             $locale = $options['locale'];
                         }
                         $options['number_format'] = Zend_Locale_Data::getContent($locale, 'decimalnumber');
                     } else if ((gettype($value) !== 'string') and ($value !== NULL)) {
                         // require_once 'Zend/Locale/Exception.php';
                         $stringValue = (string)(is_array($value) ? implode(' ', $value) : $value);
                         throw new Zend_Locale_Exception("Unknown number format type '" . gettype($value) . "'. "
                             . "Format '$stringValue' must be a valid number format string.");
                     }
                     break;
 
                 case 'date_format' :
                     if ($value == Zend_Locale_Format::STANDARD) {
                         $locale = self::$_options['locale'];
                         if (isset($options['locale'])) {
                             $locale = $options['locale'];
                         }
                         $options['date_format'] = Zend_Locale_Format::getDateFormat($locale);
                     } else if ((gettype($value) !== 'string') and ($value !== NULL)) {
                         // require_once 'Zend/Locale/Exception.php';
                         $stringValue = (string)(is_array($value) ? implode(' ', $value) : $value);
                         throw new Zend_Locale_Exception("Unknown dateformat type '" . gettype($value) . "'. "
                             . "Format '$stringValue' must be a valid ISO or PHP date format string.");
                     } else {
                         if (((isset($options['format_type']) === true) and ($options['format_type'] == 'php')) or
                             ((isset($options['format_type']) === false) and (self::$_options['format_type'] == 'php'))) {
                             $options['date_format'] = Zend_Locale_Format::convertPhpToIsoFormat($value);
                         }
                     }
                     break;
 
                 case 'format_type' :
                     if (($value != 'php') && ($value != 'iso')) {
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("Unknown date format type '$value'. Only 'iso' and 'php'"
                            . " are supported.");
                     }
                     break;
 
                 case 'fix_date' :
                     if (($value !== true) && ($value !== false)) {
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("Enabling correction of dates must be either true or false"
                             . "(fix_date='$value').");
                     }
                     break;
 
                 case 'locale' :
                     $options['locale'] = Zend_Locale::findLocale($value);
                     break;
 
                 case 'cache' :
                     if ($value instanceof Zend_Cache_Core) {
                         Zend_Locale_Data::setCache($value);
                     }
                     break;
 
                 case 'disablecache' :
                     if (null !== $value) {
                         Zend_Locale_Data::disableCache($value);
                     }
                     break;
 
                 case 'precision' :
                     if ($value === NULL) {
                         $value = -1;
                     }
 
                     if (($value < -1) || ($value > 30)) {
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("'$value' precision is not a whole number less than 30.");
                     }
                     break;
 
                 default:
                     // require_once 'Zend/Locale/Exception.php';
                     throw new Zend_Locale_Exception("Unknown option: '$name' = '$value'");
                     break;
 
             }
         }
 
         return $options;
     }
 
     /**
      * Changes the numbers/digits within a given string from one script to another
      * 'Decimal' representated the stardard numbers 0-9, if a script does not exist
      * an exception will be thrown.
      *
      * Examples for conversion from Arabic to Latin numerals:
      *   convertNumerals('١١٠ Tests', 'Arab'); -> returns '100 Tests'
      * Example for conversion from Latin to Arabic numerals:
      *   convertNumerals('100 Tests', 'Latn', 'Arab'); -> returns '١١٠ Tests'
      *
      * @param  string  $input  String to convert
      * @param  string  $from   Script to parse, see {@link Zend_Locale::getScriptList()} for details.
      * @param  string  $to     OPTIONAL Script to convert to
      * @return string  Returns the converted input
      * @throws Zend_Locale_Exception
      */
     public static function convertNumerals($input, $from, $to = null)
     {
         if (!self::_getUniCodeSupport()) {
             trigger_error("Sorry, your PCRE extension does not support UTF8 which is needed for the I18N core", E_USER_NOTICE);
         }
 
         $from   = strtolower($from);
         $source = Zend_Locale_Data::getContent('en', 'numberingsystem', $from);
         if (empty($source)) {
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception("Unknown script '$from'. Use 'Latn' for digits 0,1,2,3,4,5,6,7,8,9.");
         }
 
         if ($to !== null) {
             $to     = strtolower($to);
             $target = Zend_Locale_Data::getContent('en', 'numberingsystem', $to);
             if (empty($target)) {
                 // require_once 'Zend/Locale/Exception.php';
                 throw new Zend_Locale_Exception("Unknown script '$to'. Use 'Latn' for digits 0,1,2,3,4,5,6,7,8,9.");
             }
         } else {
             $target = '0123456789';
         }
 
         for ($x = 0; $x < 10; ++$x) {
             $asource[$x] = "/" . iconv_substr($source, $x, 1, 'UTF-8') . "/u";
             $atarget[$x] = iconv_substr($target, $x, 1, 'UTF-8');
         }
 
         return preg_replace($asource, $atarget, $input);
     }
 
     /**
      * Returns the normalized number from a localized one
      * Parsing depends on given locale (grouping and decimal)
      *
      * Examples for input:
      * '2345.4356,1234' = 23455456.1234
      * '+23,3452.123' = 233452.123
      * '12343 ' = 12343
      * '-9456' = -9456
      * '0' = 0
      *
      * @param  string $input    Input string to parse for numbers
      * @param  array  $options  Options: locale, precision. See {@link setOptions()} for details.
      * @return string Returns the extracted number
      * @throws Zend_Locale_Exception
      */
     public static function getNumber($input, array $options = array())
     {
         $options = self::_checkOptions($options) + self::$_options;
         if (!is_string($input)) {
             return $input;
         }
 
         if (!self::isNumber($input, $options)) {
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception('No localized value in ' . $input . ' found, or the given number does not match the localized format');
         }
 
         // Get correct signs for this locale
         $symbols = Zend_Locale_Data::getList($options['locale'],'symbols');
         // Change locale input to be default number
         if (($input[0] == $symbols['minus']) && ('-' != $input[0])) {
             $input = '-' . substr($input, 1);
         }
 
         $input = str_replace($symbols['group'],'', $input);
         if (strpos($input, $symbols['decimal']) !== false) {
             if ($symbols['decimal'] != '.') {
                 $input = str_replace($symbols['decimal'], ".", $input);
             }
 
             $pre = substr($input, strpos($input, '.') + 1);
             if ($options['precision'] === null) {
                 $options['precision'] = strlen($pre);
             }
 
             if (strlen($pre) >= $options['precision']) {
                 $input = substr($input, 0, strlen($input) - strlen($pre) + $options['precision']);
             }
 
             if (($options['precision'] == 0) && ($input[strlen($input) - 1] == '.')) {
                 $input = substr($input, 0, -1);
             }
         }
 
         return $input;
     }
 
     /**
      * Returns a locale formatted number depending on the given options.
      * The seperation and fraction sign is used from the set locale.
      * ##0.#  -> 12345.12345 -> 12345.12345
      * ##0.00 -> 12345.12345 -> 12345.12
      * ##,##0.00 -> 12345.12345 -> 12,345.12
      *
      * @param   string  $value    Localized number string
      * @param   array   $options  Options: number_format, locale, precision. See {@link setOptions()} for details.
      * @return  string  locale formatted number
      * @throws Zend_Locale_Exception
      */
     public static function toNumber($value, array $options = array())
     {
         // load class within method for speed
         // require_once 'Zend/Locale/Math.php';
 
         $value             = Zend_Locale_Math::floatalize($value);
         $value             = Zend_Locale_Math::normalize($value);
         $options           = self::_checkOptions($options) + self::$_options;
         $options['locale'] = (string) $options['locale'];
 
         // Get correct signs for this locale
         $symbols = Zend_Locale_Data::getList($options['locale'], 'symbols');
         $oenc = self::_getEncoding();
         self::_setEncoding('UTF-8');
         
         // Get format
         $format = $options['number_format'];
         if ($format === null) {
             $format  = Zend_Locale_Data::getContent($options['locale'], 'decimalnumber');
             $format  = self::_seperateFormat($format, $value, $options['precision']);
 
             if ($options['precision'] !== null) {
                 $value   = Zend_Locale_Math::normalize(Zend_Locale_Math::round($value, $options['precision']));
             }
         } else {
             // seperate negative format pattern when available
             $format  = self::_seperateFormat($format, $value, $options['precision']);
             if (strpos($format, '.')) {
                 if (is_numeric($options['precision'])) {
                     $value = Zend_Locale_Math::round($value, $options['precision']);
                 } else {
                     if (substr($format, iconv_strpos($format, '.') + 1, 3) == '###') {
                         $options['precision'] = null;
                     } else {
                         $options['precision'] = iconv_strlen(iconv_substr($format, iconv_strpos($format, '.') + 1,
                                                              iconv_strrpos($format, '0') - iconv_strpos($format, '.')));
                         $format = iconv_substr($format, 0, iconv_strpos($format, '.') + 1) . '###'
                                 . iconv_substr($format, iconv_strrpos($format, '0') + 1);
                     }
                 }
             } else {
                 $value = Zend_Locale_Math::round($value, 0);
                 $options['precision'] = 0;
             }
             $value = Zend_Locale_Math::normalize($value);
         }
 
         if (iconv_strpos($format, '0') === false) {
             self::_setEncoding($oenc);
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception('Wrong format... missing 0');
         }
 
         // get number parts
         $pos = iconv_strpos($value, '.');
         if ($pos !== false) {
             if ($options['precision'] === null) {
                 $precstr = iconv_substr($value, $pos + 1);
             } else {
                 $precstr = iconv_substr($value, $pos + 1, $options['precision']);
                 if (iconv_strlen($precstr) < $options['precision']) {
                     $precstr = $precstr . str_pad("0", ($options['precision'] - iconv_strlen($precstr)), "0");
                 }
             }
         } else {
             if ($options['precision'] > 0) {
                 $precstr = str_pad("0", ($options['precision']), "0");
             }
         }
 
         if ($options['precision'] === null) {
             if (isset($precstr)) {
                 $options['precision'] = iconv_strlen($precstr);
             } else {
                 $options['precision'] = 0;
             }
         }
 
         // get fraction and format lengths
         if (strpos($value, '.') !== false) {
             $number = substr((string) $value, 0, strpos($value, '.'));
         } else {
             $number = $value;
         }
 
         $prec = call_user_func(Zend_Locale_Math::$sub, $value, $number, $options['precision']);
         $prec = Zend_Locale_Math::floatalize($prec);
         $prec = Zend_Locale_Math::normalize($prec);
         if (iconv_strpos($prec, '-') !== false) {
             $prec = iconv_substr($prec, 1);
         }
 
         if (($prec == 0) and ($options['precision'] > 0)) {
             $prec = "0.0";
         }
 
         if (($options['precision'] + 2) > iconv_strlen($prec)) {
             $prec = str_pad((string) $prec, $options['precision'] + 2, "0", STR_PAD_RIGHT);
         }
 
         if (iconv_strpos($number, '-') !== false) {
             $number = iconv_substr($number, 1);
         }
         $group  = iconv_strrpos($format, ',');
         $group2 = iconv_strpos ($format, ',');
         $point  = iconv_strpos ($format, '0');
         // Add fraction
         $rest = "";
         if (iconv_strpos($format, '.')) {
             $rest   = iconv_substr($format, iconv_strpos($format, '.') + 1);
             $length = iconv_strlen($rest);
             for($x = 0; $x < $length; ++$x) {
                 if (($rest[0] == '0') || ($rest[0] == '#')) {
                     $rest = iconv_substr($rest, 1);
                 }
             }
             $format = iconv_substr($format, 0, iconv_strlen($format) - iconv_strlen($rest));
         }
 
         if ($options['precision'] == '0') {
             if (iconv_strrpos($format, '-') != 0) {
                 $format = iconv_substr($format, 0, $point)
                         . iconv_substr($format, iconv_strrpos($format, '#') + 2);
             } else {
                 $format = iconv_substr($format, 0, $point);
             }
         } else {
             $format = iconv_substr($format, 0, $point) . $symbols['decimal']
                                . iconv_substr($prec, 2);
         }
 
         $format .= $rest;
         // Add seperation
         if ($group == 0) {
             // no seperation
             $format = $number . iconv_substr($format, $point);
         } else if ($group == $group2) {
             // only 1 seperation
             $seperation = ($point - $group);
             for ($x = iconv_strlen($number); $x > $seperation; $x -= $seperation) {
                 if (iconv_substr($number, 0, $x - $seperation) !== "") {
                     $number = iconv_substr($number, 0, $x - $seperation) . $symbols['group']
                             . iconv_substr($number, $x - $seperation);
                 }
             }
             $format = iconv_substr($format, 0, iconv_strpos($format, '#')) . $number . iconv_substr($format, $point);
         } else {
 
             // 2 seperations
             if (iconv_strlen($number) > ($point - $group)) {
                 $seperation = ($point - $group);
                 $number = iconv_substr($number, 0, iconv_strlen($number) - $seperation) . $symbols['group']
                         . iconv_substr($number, iconv_strlen($number) - $seperation);
 
                 if ((iconv_strlen($number) - 1) > ($point - $group + 1)) {
                     $seperation2 = ($group - $group2 - 1);
                     for ($x = iconv_strlen($number) - $seperation2 - 2; $x > $seperation2; $x -= $seperation2) {
                         $number = iconv_substr($number, 0, $x - $seperation2) . $symbols['group']
                                 . iconv_substr($number, $x - $seperation2);
                     }
                 }
 
             }
             $format = iconv_substr($format, 0, iconv_strpos($format, '#')) . $number . iconv_substr($format, $point);
         }
         // set negative sign
         if (call_user_func(Zend_Locale_Math::$comp, $value, 0, $options['precision']) < 0) {
             if (iconv_strpos($format, '-') === false) {
                 $format = $symbols['minus'] . $format;
             } else {
                 $format = str_replace('-', $symbols['minus'], $format);
             }
         }
 
         self::_setEncoding($oenc);
         return (string) $format;
     }
 
     /**
      * @param string $format
      * @param string $value
      * @param int $precision
      * @return string
      */
     private static function _seperateFormat($format, $value, $precision)
     {
         if (iconv_strpos($format, ';') !== false) {
             if (call_user_func(Zend_Locale_Math::$comp, $value, 0, $precision) < 0) {
                 $tmpformat = iconv_substr($format, iconv_strpos($format, ';') + 1);
                 if ($tmpformat[0] == '(') {
                     $format = iconv_substr($format, 0, iconv_strpos($format, ';'));
                 } else {
                     $format = $tmpformat;
                 }
             } else {
                 $format = iconv_substr($format, 0, iconv_strpos($format, ';'));
             }
         }
 
         return $format;
     }
 
 
     /**
      * Checks if the input contains a normalized or localized number
      *
      * @param   string  $input    Localized number string
      * @param   array   $options  Options: locale. See {@link setOptions()} for details.
      * @return  boolean           Returns true if a number was found
      */
     public static function isNumber($input, array $options = array())
     {
         if (!self::_getUniCodeSupport()) {
             trigger_error("Sorry, your PCRE extension does not support UTF8 which is needed for the I18N core", E_USER_NOTICE);
         }
 
         $options = self::_checkOptions($options) + self::$_options;
 
         // Get correct signs for this locale
         $symbols = Zend_Locale_Data::getList($options['locale'],'symbols');
 
         $regexs = Zend_Locale_Format::_getRegexForType('decimalnumber', $options);
         $regexs = array_merge($regexs, Zend_Locale_Format::_getRegexForType('scientificnumber', $options));
         if (!empty($input) && ($input[0] == $symbols['decimal'])) {
             $input = 0 . $input;
         }
         foreach ($regexs as $regex) {
             preg_match($regex, $input, $found);
             if (isset($found[0])) {
                 return true;
             }
         }
 
         return false;
     }
 
     /**
      * Internal method to convert cldr number syntax into regex
      *
      * @param  string $type
      * @param  array  $options Options: locale. See {@link setOptions()} for details.
      * @return string
      * @throws Zend_Locale_Exception
      */
     private static function _getRegexForType($type, $options)
     {
         $decimal  = Zend_Locale_Data::getContent($options['locale'], $type);
         $decimal  = preg_replace('/[^#0,;\.\-Ee]/u', '',$decimal);
         $patterns = explode(';', $decimal);
 
         if (count($patterns) == 1) {
             $patterns[1] = '-' . $patterns[0];
         }
 
         $symbols = Zend_Locale_Data::getList($options['locale'],'symbols');
 
         foreach($patterns as $pkey => $pattern) {
             $regex[$pkey]  = '/^';
             $rest   = 0;
             $end    = null;
             if (strpos($pattern, '.') !== false) {
                 $end     = substr($pattern, strpos($pattern, '.') + 1);
                 $pattern = substr($pattern, 0, -strlen($end) - 1);
             }
 
             if (strpos($pattern, ',') !== false) {
                 $parts = explode(',', $pattern);
                 $count = count($parts);
                 foreach($parts as $key => $part) {
                     switch ($part) {
                         case '#':
                         case '-#':
                             if ($part[0] == '-') {
                                 $regex[$pkey] .= '[' . $symbols['minus'] . '-]{0,1}';
                             } else {
                                 $regex[$pkey] .= '[' . $symbols['plus'] . '+]{0,1}';
                             }
 
                             if (($parts[$key + 1]) == '##0')  {
                                 $regex[$pkey] .= '[0-9]{1,3}';
                             } else if (($parts[$key + 1]) == '##') {
                                 $regex[$pkey] .= '[0-9]{1,2}';
                             } else {
                                 throw new Zend_Locale_Exception('Unsupported token for numberformat (Pos 1):"' . $pattern . '"');
                             }
                             break;
                         case '##':
                             if ($parts[$key + 1] == '##0') {
                                 $regex[$pkey] .=  '(\\' . $symbols['group'] . '{0,1}[0-9]{2})*';
                             } else {
                                 throw new Zend_Locale_Exception('Unsupported token for numberformat (Pos 2):"' . $pattern . '"');
                             }
                             break;
                         case '##0':
                             if ($parts[$key - 1] == '##') {
                                 $regex[$pkey] .= '[0-9]';
                             } else if (($parts[$key - 1] == '#') || ($parts[$key - 1] == '-#')) {
                                 $regex[$pkey] .= '(\\' . $symbols['group'] . '{0,1}[0-9]{3})*';
                             } else {
                                 throw new Zend_Locale_Exception('Unsupported token for numberformat (Pos 3):"' . $pattern . '"');
                             }
                             break;
                         case '#0':
                             if ($key == 0) {
                                 $regex[$pkey] .= '[0-9]*';
                             } else {
                                 throw new Zend_Locale_Exception('Unsupported token for numberformat (Pos 4):"' . $pattern . '"');
                             }
                             break;
                     }
                 }
             }
 
             if (strpos($pattern, 'E') !== false) {
                 if (($pattern == '#E0') || ($pattern == '#E00')) {
                     $regex[$pkey] .= '[' . $symbols['plus']. '+]{0,1}[0-9]{1,}(\\' . $symbols['decimal'] . '[0-9]{1,})*[eE][' . $symbols['plus']. '+]{0,1}[0-9]{1,}';
                 } else if (($pattern == '-#E0') || ($pattern == '-#E00')) {
                     $regex[$pkey] .= '[' . $symbols['minus']. '-]{0,1}[0-9]{1,}(\\' . $symbols['decimal'] . '[0-9]{1,})*[eE][' . $symbols['minus']. '-]{0,1}[0-9]{1,}';
                 } else {
                     throw new Zend_Locale_Exception('Unsupported token for numberformat (Pos 5):"' . $pattern . '"');
                 }
             }
 
             if (!empty($end)) {
                 if ($end == '###') {
                     $regex[$pkey] .= '(\\' . $symbols['decimal'] . '{1}[0-9]{1,}){0,1}';
                 } else if ($end == '###-') {
                     $regex[$pkey] .= '(\\' . $symbols['decimal'] . '{1}[0-9]{1,}){0,1}[' . $symbols['minus']. '-]';
                 } else {
                     throw new Zend_Locale_Exception('Unsupported token for numberformat (Pos 6):"' . $pattern . '"');
                 }
             }
 
             $regex[$pkey] .= '$/u';
         }
 
         return $regex;
     }
 
     /**
      * Alias for getNumber
      *
      * @param   string  $input    Number to localize
      * @param   array   $options  Options: locale, precision. See {@link setOptions()} for details.
      * @return  float
      */
     public static function getFloat($input, array $options = array())
     {
         return floatval(self::getNumber($input, $options));
     }
 
     /**
      * Returns a locale formatted integer number
      * Alias for toNumber()
      *
      * @param   string  $value    Number to normalize
      * @param   array   $options  Options: locale, precision. See {@link setOptions()} for details.
      * @return  string  Locale formatted number
      */
     public static function toFloat($value, array $options = array())
     {
         $options['number_format'] = Zend_Locale_Format::STANDARD;
         return self::toNumber($value, $options);
     }
 
     /**
      * Returns if a float was found
      * Alias for isNumber()
      *
      * @param   string $value  Localized number string
      * @param   array $options Options: locale. See {@link setOptions()} for details.
      * @return  boolean        Returns true if a number was found
      */
     public static function isFloat($value, array $options = array())
     {
         return self::isNumber($value, $options);
     }
 
     /**
      * Returns the first found integer from an string
      * Parsing depends on given locale (grouping and decimal)
      *
      * Examples for input:
      * '  2345.4356,1234' = 23455456
      * '+23,3452.123' = 233452
      * ' 12343 ' = 12343
      * '-9456km' = -9456
      * '0' = 0
      * '(-){0,1}(\d+(\.){0,1})*(\,){0,1})\d+'
      *
      * @param   string   $input    Input string to parse for numbers
      * @param   array    $options  Options: locale. See {@link setOptions()} for details.
      * @return  integer            Returns the extracted number
      */
     public static function getInteger($input, array $options = array())
     {
         $options['precision'] = 0;
         return intval(self::getFloat($input, $options));
     }
 
     /**
      * Returns a localized number
      *
      * @param   string  $value    Number to normalize
      * @param   array   $options  Options: locale. See {@link setOptions()} for details.
      * @return  string            Locale formatted number
      */
     public static function toInteger($value, array $options = array())
     {
         $options['precision'] = 0;
         $options['number_format'] = Zend_Locale_Format::STANDARD;
         return self::toNumber($value, $options);
     }
 
     /**
      * Returns if a integer was found
      *
      * @param  string $value Localized number string
      * @param  array $options Options: locale. See {@link setOptions()} for details.
      * @return boolean Returns true if a integer was found
      */
     public static function isInteger($value, array $options = array())
     {
         if (!self::isNumber($value, $options)) {
             return false;
         }
 
         if (self::getInteger($value, $options) == self::getFloat($value, $options)) {
             return true;
         }
 
         return false;
     }
 
     /**
      * Converts a format string from PHP's date format to ISO format
      * Remember that Zend Date always returns localized string, so a month name which returns the english
      * month in php's date() will return the translated month name with this function... use 'en' as locale
      * if you are in need of the original english names
      *
      * The conversion has the following restrictions:
      * 'a', 'A' - Meridiem is not explicit upper/lowercase, you have to upper/lowercase the translated value yourself
      *
      * @param  string  $format  Format string in PHP's date format
      * @return string           Format string in ISO format
      */
     public static function convertPhpToIsoFormat($format)
     {
         if ($format === null) {
             return null;
         }
 
         $convert = array(
             'd' => 'dd'  , 'D' => 'EE'  , 'j' => 'd'   , 'l' => 'EEEE',
             'N' => 'eee' , 'S' => 'SS'  , 'w' => 'e'   , 'z' => 'D'   ,
             'W' => 'ww'  , 'F' => 'MMMM', 'm' => 'MM'  , 'M' => 'MMM' ,
             'n' => 'M'   , 't' => 'ddd' , 'L' => 'l'   , 'o' => 'YYYY',
             'Y' => 'yyyy', 'y' => 'yy'  , 'a' => 'a'   , 'A' => 'a'   ,
             'B' => 'B'   , 'g' => 'h'   , 'G' => 'H'   , 'h' => 'hh'  ,
             'H' => 'HH'  , 'i' => 'mm'  , 's' => 'ss'  , 'e' => 'zzzz',
             'I' => 'I'   , 'O' => 'Z'   , 'P' => 'ZZZZ', 'T' => 'z'   ,
             'Z' => 'X'   , 'c' => 'yyyy-MM-ddTHH:mm:ssZZZZ', 'r' => 'r',
             'U' => 'U',
         );
         $escaped = false;
         $inEscapedString = false;
         $converted = array();
         foreach (str_split($format) as $char) {
             if (!$escaped && $char == '\\') {
                 // Next char will be escaped: let's remember it
                 $escaped = true;
             } elseif ($escaped) {
                 if (!$inEscapedString) {
                     // First escaped string: start the quoted chunk
                     $converted[] = "'";
                     $inEscapedString = true;
                 }
                 // Since the previous char was a \ and we are in the quoted
                 // chunk, let's simply add $char as it is
                 $converted[] = $char;
                 $escaped = false;
             } elseif ($char == "'") {
                 // Single quotes need to be escaped like this
                 $converted[] = "''";
             } else {
                 if ($inEscapedString) {
                     // Close the single-quoted chunk
                     $converted[] = "'";
                     $inEscapedString = false;
                 }
                 // Convert the unescaped char if needed
                 if (isset($convert[$char])) {
                     $converted[] = $convert[$char];
                 } else {
                     $converted[] = $char;
                 }
             }
         }
 
         return implode($converted);
     }
 
     /**
      * Parse date and split in named array fields
      *
      * @param  string $date    Date string to parse
      * @param  array  $options Options: format_type, fix_date, locale, date_format. See {@link setOptions()} for details.
      * @return array Possible array members: day, month, year, hour, minute, second, fixed, format
      * @throws Zend_Locale_Exception
      */
     private static function _parseDate($date, $options)
     {
         if (!self::_getUniCodeSupport()) {
             trigger_error("Sorry, your PCRE extension does not support UTF8 which is needed for the I18N core", E_USER_NOTICE);
         }
 
         $options = self::_checkOptions($options) + self::$_options;
         $test = array('h', 'H', 'm', 's', 'y', 'Y', 'M', 'd', 'D', 'E', 'S', 'l', 'B', 'I',
                        'X', 'r', 'U', 'G', 'w', 'e', 'a', 'A', 'Z', 'z', 'v');
 
         $format = $options['date_format'];
         $number = $date; // working copy
         $result['date_format'] = $format; // save the format used to normalize $number (convenience)
         $result['locale'] = $options['locale']; // save the locale used to normalize $number (convenience)
 
         $oenc = self::_getEncoding();
         self::_setEncoding('UTF-8');
         $day   = iconv_strpos($format, 'd');
         $month = iconv_strpos($format, 'M');
         $year  = iconv_strpos($format, 'y');
         $hour  = iconv_strpos($format, 'H');
         $min   = iconv_strpos($format, 'm');
         $sec   = iconv_strpos($format, 's');
         $am    = null;
         if ($hour === false) {
             $hour = iconv_strpos($format, 'h');
         }
         if ($year === false) {
             $year = iconv_strpos($format, 'Y');
         }
         if ($day === false) {
             $day = iconv_strpos($format, 'E');
             if ($day === false) {
                 $day = iconv_strpos($format, 'D');
             }
         }
 
         if ($day !== false) {
             $parse[$day]   = 'd';
             if (!empty($options['locale']) && ($options['locale'] !== 'root') &&
                 (!is_object($options['locale']) || ((string) $options['locale'] !== 'root'))) {
                 // erase day string
                     $daylist = Zend_Locale_Data::getList($options['locale'], 'day');
                 foreach($daylist as $key => $name) {
                     if (iconv_strpos($number, $name) !== false) {
                         $number = str_replace($name, "EEEE", $number);
                         break;
                     }
                 }
             }
         }
         $position = false;
 
         if ($month !== false) {
             $parse[$month] = 'M';
             if (!empty($options['locale']) && ($options['locale'] !== 'root') &&
                 (!is_object($options['locale']) || ((string) $options['locale'] !== 'root'))) {
                     // prepare to convert month name to their numeric equivalents, if requested,
                     // and we have a $options['locale']
                     $position = self::_replaceMonth($number, Zend_Locale_Data::getList($options['locale'],
                         'month'));
                 if ($position === false) {
                     $position = self::_replaceMonth($number, Zend_Locale_Data::getList($options['locale'],
                         'month', array('gregorian', 'format', 'abbreviated')));
                 }
             }
         }
         if ($year !== false) {
             $parse[$year]  = 'y';
         }
         if ($hour !== false) {
             $parse[$hour] = 'H';
         }
         if ($min !== false) {
             $parse[$min] = 'm';
         }
         if ($sec !== false) {
             $parse[$sec] = 's';
         }
 
         if (empty($parse)) {
             self::_setEncoding($oenc);
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception("Unknown date format, neither date nor time in '" . $format . "' found");
         }
         ksort($parse);
 
         // get daytime
         if (iconv_strpos($format, 'a') !== false) {
             if (iconv_strpos(strtoupper($number), strtoupper(Zend_Locale_Data::getContent($options['locale'], 'am'))) !== false) {
                 $am = true;
             } else if (iconv_strpos(strtoupper($number), strtoupper(Zend_Locale_Data::getContent($options['locale'], 'pm'))) !== false) {
                 $am = false;
             }
         }
 
         // split number parts
         $split = false;
         preg_match_all('/\d+/u', $number, $splitted);
 
         if (count($splitted[0]) == 0) {
             self::_setEncoding($oenc);
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception("No date part in '$date' found.");
         }
         if (count($splitted[0]) == 1) {
             $split = 0;
         }
         $cnt = 0;
         foreach($parse as $key => $value) {
 
             switch($value) {
                 case 'd':
                     if ($split === false) {
                         if (count($splitted[0]) > $cnt) {
                             $result['day']    = $splitted[0][$cnt];
                         }
                     } else {
                         $result['day'] = iconv_substr($splitted[0][0], $split, 2);
                         $split += 2;
                     }
                     ++$cnt;
                     break;
                 case 'M':
                     if ($split === false) {
                         if (count($splitted[0]) > $cnt) {
                             $result['month']  = $splitted[0][$cnt];
                         }
                     } else {
                         $result['month'] = iconv_substr($splitted[0][0], $split, 2);
                         $split += 2;
                     }
                     ++$cnt;
                     break;
                 case 'y':
                     $length = 2;
                     if ((iconv_substr($format, $year, 4) == 'yyyy')
                      || (iconv_substr($format, $year, 4) == 'YYYY')) {
                         $length = 4;
                     }
 
                     if ($split === false) {
                         if (count($splitted[0]) > $cnt) {
                             $result['year']   = $splitted[0][$cnt];
                         }
                     } else {
                         $result['year']   = iconv_substr($splitted[0][0], $split, $length);
                         $split += $length;
                     }
 
                     ++$cnt;
                     break;
                 case 'H':
                     if ($split === false) {
                         if (count($splitted[0]) > $cnt) {
                             $result['hour']   = $splitted[0][$cnt];
                         }
                     } else {
                         $result['hour']   = iconv_substr($splitted[0][0], $split, 2);
                         $split += 2;
                     }
                     ++$cnt;
                     break;
                 case 'm':
                     if ($split === false) {
                         if (count($splitted[0]) > $cnt) {
                             $result['minute'] = $splitted[0][$cnt];
                         }
                     } else {
                         $result['minute'] = iconv_substr($splitted[0][0], $split, 2);
                         $split += 2;
                     }
                     ++$cnt;
                     break;
                 case 's':
                     if ($split === false) {
                         if (count($splitted[0]) > $cnt) {
                             $result['second'] = $splitted[0][$cnt];
                         }
                     } else {
                         $result['second'] = iconv_substr($splitted[0][0], $split, 2);
                         $split += 2;
                     }
                     ++$cnt;
                     break;
             }
         }
 
         // AM/PM correction
         if ($hour !== false) {
             if (($am === true) and ($result['hour'] == 12)){
                 $result['hour'] = 0;
             } else if (($am === false) and ($result['hour'] != 12)) {
                 $result['hour'] += 12;
             }
         }
 
         if ($options['fix_date'] === true) {
             $result['fixed'] = 0; // nothing has been "fixed" by swapping date parts around (yet)
         }
 
         if ($day !== false) {
             // fix false month
             if (isset($result['day']) and isset($result['month'])) {
                 if (($position !== false) and ((iconv_strpos($date, $result['day']) === false) or
                                                (isset($result['year']) and (iconv_strpos($date, $result['year']) === false)))) {
                     if ($options['fix_date'] !== true) {
                         self::_setEncoding($oenc);
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("Unable to parse date '$date' using '" . $format
                             . "' (false month, $position, $month)");
                     }
                     $temp = $result['day'];
                     $result['day']   = $result['month'];
                     $result['month'] = $temp;
                     $result['fixed'] = 1;
                 }
             }
 
             // fix switched values d <> y
             if (isset($result['day']) and isset($result['year'])) {
                 if ($result['day'] > 31) {
                     if ($options['fix_date'] !== true) {
                         self::_setEncoding($oenc);
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("Unable to parse date '$date' using '"
                                                       . $format . "' (d <> y)");
                     }
                     $temp = $result['year'];
                     $result['year'] = $result['day'];
                     $result['day']  = $temp;
                     $result['fixed'] = 2;
                 }
             }
 
             // fix switched values M <> y
             if (isset($result['month']) and isset($result['year'])) {
                 if ($result['month'] > 31) {
                     if ($options['fix_date'] !== true) {
                         self::_setEncoding($oenc);
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("Unable to parse date '$date' using '"
                                                       . $format . "' (M <> y)");
                     }
                     $temp = $result['year'];
                     $result['year']  = $result['month'];
                     $result['month'] = $temp;
                     $result['fixed'] = 3;
                 }
             }
 
             // fix switched values M <> d
             if (isset($result['month']) and isset($result['day'])) {
                 if ($result['month'] > 12) {
                     if ($options['fix_date'] !== true || $result['month'] > 31) {
                         self::_setEncoding($oenc);
                         // require_once 'Zend/Locale/Exception.php';
                         throw new Zend_Locale_Exception("Unable to parse date '$date' using '"
                                                       . $format . "' (M <> d)");
                     }
                     $temp = $result['day'];
                     $result['day']   = $result['month'];
                     $result['month'] = $temp;
                     $result['fixed'] = 4;
                 }
             }
         }
 
         if (isset($result['year'])) {
             if (((iconv_strlen($result['year']) == 2) && ($result['year'] < 10)) ||
                 (((iconv_strpos($format, 'yy') !== false) && (iconv_strpos($format, 'yyyy') === false)) ||
                 ((iconv_strpos($format, 'YY') !== false) && (iconv_strpos($format, 'YYYY') === false)))) {
                 if (($result['year'] >= 0) && ($result['year'] < 100)) {
                     if ($result['year'] < 70) {
                         $result['year'] = (int) $result['year'] + 100;
                     }
 
                     $result['year'] = (int) $result['year'] + 1900;
                 }
             }
         }
 
         self::_setEncoding($oenc);
         return $result;
     }
 
     /**
      * Search $number for a month name found in $monthlist, and replace if found.
      *
      * @param  string  $number     Date string (modified)
      * @param  array   $monthlist  List of month names
      *
      * @return int|false           Position of replaced string (false if nothing replaced)
      */
     protected static function _replaceMonth(&$number, $monthlist)
     {
         // If $locale was invalid, $monthlist will default to a "root" identity
         // mapping for each month number from 1 to 12.
         // If no $locale was given, or $locale was invalid, do not use this identity mapping to normalize.
         // Otherwise, translate locale aware month names in $number to their numeric equivalents.
         $position = false;
         if ($monthlist && $monthlist[1] != 1) {
             foreach($monthlist as $key => $name) {
                 if (($position = iconv_strpos($number, $name, 0, 'UTF-8')) !== false) {
                     $number   = str_ireplace($name, $key, $number);
                     return $position;
                 }
             }
         }
 
         return false;
     }
 
     /**
      * Returns the default date format for $locale.
      *
      * @param  string|Zend_Locale  $locale  OPTIONAL Locale of $number, possibly in string form (e.g. 'de_AT')
      * @return string  format
      * @throws Zend_Locale_Exception  throws an exception when locale data is broken
      */
     public static function getDateFormat($locale = null)
     {
         $format = Zend_Locale_Data::getContent($locale, 'date');
         if (empty($format)) {
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception("failed to receive data from locale $locale");
         }
 
         return $format;
     }
 
     /**
      * Returns an array with the normalized date from an locale date
      * a input of 10.01.2006 without a $locale would return:
      * array ('day' => 10, 'month' => 1, 'year' => 2006)
      * The 'locale' option is only used to convert human readable day
      * and month names to their numeric equivalents.
      * The 'format' option allows specification of self-defined date formats,
      * when not using the default format for the 'locale'.
      *
      * @param   string  $date     Date string
      * @param   array   $options  Options: format_type, fix_date, locale, date_format. See {@link setOptions()} for details.
      * @return  array             Possible array members: day, month, year, hour, minute, second, fixed, format
      */
     public static function getDate($date, array $options = array())
     {
         $options = self::_checkOptions($options) + self::$_options;
         if (empty($options['date_format'])) {
             $options['format_type'] = 'iso';
             $options['date_format'] = self::getDateFormat($options['locale']);
         }
 
         return self::_parseDate($date, $options);
     }
 
     /**
      * Returns if the given datestring contains all date parts from the given format.
      * If no format is given, the default date format from the locale is used
      * If you want to check if the date is a proper date you should use Zend_Date::isDate()
      *
      * @param   string  $date     Date string
      * @param   array   $options  Options: format_type, fix_date, locale, date_format. See {@link setOptions()} for details.
      * @return  boolean
      */
     public static function checkDateFormat($date, array $options = array())
     {
         try {
             $date = self::getDate($date, $options);
         } catch (Exception $e) {
             return false;
         }
 
         if (empty($options['date_format'])) {
             $options['format_type'] = 'iso';
             $options['date_format'] = self::getDateFormat(isset($options['locale']) ? $options['locale'] : null);
         }
         $options = self::_checkOptions($options) + self::$_options;
 
         // day expected but not parsed
         if ((iconv_strpos($options['date_format'], 'd', 0, 'UTF-8') !== false) and (!isset($date['day']) or ($date['day'] === ""))) {
             return false;
         }
 
         // month expected but not parsed
         if ((iconv_strpos($options['date_format'], 'M', 0, 'UTF-8') !== false) and (!isset($date['month']) or ($date['month'] === ""))) {
             return false;
         }
 
         // year expected but not parsed
         if (((iconv_strpos($options['date_format'], 'Y', 0, 'UTF-8') !== false) or
              (iconv_strpos($options['date_format'], 'y', 0, 'UTF-8') !== false)) and (!isset($date['year']) or ($date['year'] === ""))) {
             return false;
         }
 
         // second expected but not parsed
         if ((iconv_strpos($options['date_format'], 's', 0, 'UTF-8') !== false) and (!isset($date['second']) or ($date['second'] === ""))) {
             return false;
         }
 
         // minute expected but not parsed
         if ((iconv_strpos($options['date_format'], 'm', 0, 'UTF-8') !== false) and (!isset($date['minute']) or ($date['minute'] === ""))) {
             return false;
         }
 
         // hour expected but not parsed
         if (((iconv_strpos($options['date_format'], 'H', 0, 'UTF-8') !== false) or
              (iconv_strpos($options['date_format'], 'h', 0, 'UTF-8') !== false)) and (!isset($date['hour']) or ($date['hour'] === ""))) {
             return false;
         }
 
         return true;
     }
 
     /**
      * Returns the default time format for $locale.
      *
      * @param  string|Zend_Locale $locale OPTIONAL Locale of $number, possibly in string form (e.g. 'de_AT')
      * @return string  format
      * @throws Zend_Locale_Exception
      */
     public static function getTimeFormat($locale = null)
     {
         $format = Zend_Locale_Data::getContent($locale, 'time');
         if (empty($format)) {
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception("failed to receive data from locale $locale");
         }
         return $format;
     }
 
     /**
      * Returns an array with 'hour', 'minute', and 'second' elements extracted from $time
      * according to the order described in $format.  For a format of 'H:i:s', and
      * an input of 11:20:55, getTime() would return:
      * array ('hour' => 11, 'minute' => 20, 'second' => 55)
      * The optional $locale parameter may be used to help extract times from strings
      * containing both a time and a day or month name.
      *
      * @param   string  $time     Time string
      * @param   array   $options  Options: format_type, fix_date, locale, date_format. See {@link setOptions()} for details.
      * @return  array             Possible array members: day, month, year, hour, minute, second, fixed, format
      */
     public static function getTime($time, array $options = array())
     {
         $options = self::_checkOptions($options) + self::$_options;
         if (empty($options['date_format'])) {
             $options['format_type'] = 'iso';
             $options['date_format'] = self::getTimeFormat($options['locale']);
         }
         return self::_parseDate($time, $options);
     }
 
     /**
      * Returns the default datetime format for $locale.
      *
      * @param  string|Zend_Locale $locale OPTIONAL Locale of $number, possibly in string form (e.g. 'de_AT')
      * @return string  format
      * @throws Zend_Locale_Exception
      */
     public static function getDateTimeFormat($locale = null)
     {
         $format = Zend_Locale_Data::getContent($locale, 'datetime');
         if (empty($format)) {
             // require_once 'Zend/Locale/Exception.php';
             throw new Zend_Locale_Exception("failed to receive data from locale $locale");
         }
         return $format;
     }
 
     /**
      * Returns an array with 'year', 'month', 'day', 'hour', 'minute', and 'second' elements
      * extracted from $datetime according to the order described in $format.  For a format of 'd.M.y H:i:s',
      * and an input of 10.05.1985 11:20:55, getDateTime() would return:
      * array ('year' => 1985, 'month' => 5, 'day' => 10, 'hour' => 11, 'minute' => 20, 'second' => 55)
      * The optional $locale parameter may be used to help extract times from strings
      * containing both a time and a day or month name.
      *
      * @param   string  $datetime DateTime string
      * @param   array   $options  Options: format_type, fix_date, locale, date_format. See {@link setOptions()} for details.
      * @return  array             Possible array members: day, month, year, hour, minute, second, fixed, format
      */
     public static function getDateTime($datetime, array $options = array())
     {
         $options = self::_checkOptions($options) + self::$_options;
         if (empty($options['date_format'])) {
             $options['format_type'] = 'iso';
             $options['date_format'] = self::getDateTimeFormat($options['locale']);
         }
         return self::_parseDate($datetime, $options);
     }
 
     /**
      * Internal method to detect of Unicode supports UTF8
      * which should be enabled within vanilla php installations
      *
      * @return boolean
      */
     protected static function _getUniCodeSupport()
     {
         return (@preg_match('/\pL/u', 'a')) ? true : false;
     }
 
     /**
      * Internal method to retrieve the current encoding via the ini setting
      * default_charset for PHP >= 5.6 or iconv_get_encoding otherwise.
      *
      * @return string
      */
     protected static function _getEncoding()
     {
         $oenc = PHP_VERSION_ID < 50600
             ? iconv_get_encoding('internal_encoding')
             : ini_get('default_charset');
 
         return $oenc;
     }
 
     /**
      * Internal method to set the encoding via the ini setting
      * default_charset for PHP >= 5.6 or iconv_set_encoding otherwise.
      *
      * @param string $encoding
      * @return void
      */
     protected static function _setEncoding($encoding)
     {
         if (PHP_VERSION_ID < 50600) {
             iconv_set_encoding('internal_encoding', $encoding);
         } else {
             ini_set('default_charset', $encoding);
         }
     }
 }