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EIOS/inc/PHPExcel/Style/NumberFormat.php

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2023-12-28 15:39:22 +03:00
<?php
/**
* PHPExcel_Style_NumberFormat
*
* Copyright (c) 2006 - 2015 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Style
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
class PHPExcel_Style_NumberFormat extends PHPExcel_Style_Supervisor implements PHPExcel_IComparable
{
/* Pre-defined formats */
const FORMAT_GENERAL = 'General';
const FORMAT_TEXT = '@';
const FORMAT_NUMBER = '0';
const FORMAT_NUMBER_00 = '0.00';
const FORMAT_NUMBER_COMMA_SEPARATED1 = '#,##0.00';
const FORMAT_NUMBER_COMMA_SEPARATED2 = '#,##0.00_-';
const FORMAT_PERCENTAGE = '0%';
const FORMAT_PERCENTAGE_00 = '0.00%';
const FORMAT_DATE_YYYYMMDD2 = 'yyyy-mm-dd';
const FORMAT_DATE_YYYYMMDD = 'yy-mm-dd';
const FORMAT_DATE_DDMMYYYY = 'dd/mm/yy';
const FORMAT_DATE_DMYSLASH = 'd/m/y';
const FORMAT_DATE_DMYMINUS = 'd-m-y';
const FORMAT_DATE_DMMINUS = 'd-m';
const FORMAT_DATE_MYMINUS = 'm-y';
const FORMAT_DATE_XLSX14 = 'mm-dd-yy';
const FORMAT_DATE_XLSX15 = 'd-mmm-yy';
const FORMAT_DATE_XLSX16 = 'd-mmm';
const FORMAT_DATE_XLSX17 = 'mmm-yy';
const FORMAT_DATE_XLSX22 = 'm/d/yy h:mm';
const FORMAT_DATE_DATETIME = 'd/m/y h:mm';
const FORMAT_DATE_TIME1 = 'h:mm AM/PM';
const FORMAT_DATE_TIME2 = 'h:mm:ss AM/PM';
const FORMAT_DATE_TIME3 = 'h:mm';
const FORMAT_DATE_TIME4 = 'h:mm:ss';
const FORMAT_DATE_TIME5 = 'mm:ss';
const FORMAT_DATE_TIME6 = 'h:mm:ss';
const FORMAT_DATE_TIME7 = 'i:s.S';
const FORMAT_DATE_TIME8 = 'h:mm:ss;@';
const FORMAT_DATE_YYYYMMDDSLASH = 'yy/mm/dd;@';
const FORMAT_CURRENCY_USD_SIMPLE = '"$"#,##0.00_-';
const FORMAT_CURRENCY_USD = '$#,##0_-';
const FORMAT_CURRENCY_EUR_SIMPLE = '[$EUR ]#,##0.00_-';
/**
* Excel built-in number formats
*
* @var array
*/
protected static $builtInFormats;
/**
* Excel built-in number formats (flipped, for faster lookups)
*
* @var array
*/
protected static $flippedBuiltInFormats;
/**
* Format Code
*
* @var string
*/
protected $formatCode = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
/**
* Built-in format Code
*
* @var string
*/
protected $builtInFormatCode = 0;
/**
* Create a new PHPExcel_Style_NumberFormat
*
* @param boolean $isSupervisor Flag indicating if this is a supervisor or not
* Leave this value at default unless you understand exactly what
* its ramifications are
* @param boolean $isConditional Flag indicating if this is a conditional style or not
* Leave this value at default unless you understand exactly what
* its ramifications are
*/
public function __construct($isSupervisor = false, $isConditional = false)
{
// Supervisor?
parent::__construct($isSupervisor);
if ($isConditional) {
$this->formatCode = null;
$this->builtInFormatCode = false;
}
}
/**
* Get the shared style component for the currently active cell in currently active sheet.
* Only used for style supervisor
*
* @return PHPExcel_Style_NumberFormat
*/
public function getSharedComponent()
{
return $this->parent->getSharedComponent()->getNumberFormat();
}
/**
* Build style array from subcomponents
*
* @param array $array
* @return array
*/
public function getStyleArray($array)
{
return array('numberformat' => $array);
}
/**
* Apply styles from array
*
* <code>
* $objPHPExcel->getActiveSheet()->getStyle('B2')->getNumberFormat()->applyFromArray(
* array(
* 'code' => PHPExcel_Style_NumberFormat::FORMAT_CURRENCY_EUR_SIMPLE
* )
* );
* </code>
*
* @param array $pStyles Array containing style information
* @throws PHPExcel_Exception
* @return PHPExcel_Style_NumberFormat
*/
public function applyFromArray($pStyles = null)
{
if (is_array($pStyles)) {
if ($this->isSupervisor) {
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
} else {
if (array_key_exists('code', $pStyles)) {
$this->setFormatCode($pStyles['code']);
}
}
} else {
throw new PHPExcel_Exception("Invalid style array passed.");
}
return $this;
}
/**
* Get Format Code
*
* @return string
*/
public function getFormatCode()
{
if ($this->isSupervisor) {
return $this->getSharedComponent()->getFormatCode();
}
if ($this->builtInFormatCode !== false) {
return self::builtInFormatCode($this->builtInFormatCode);
}
return $this->formatCode;
}
/**
* Set Format Code
*
* @param string $pValue
* @return PHPExcel_Style_NumberFormat
*/
public function setFormatCode($pValue = PHPExcel_Style_NumberFormat::FORMAT_GENERAL)
{
if ($pValue == '') {
$pValue = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
}
if ($this->isSupervisor) {
$styleArray = $this->getStyleArray(array('code' => $pValue));
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
} else {
$this->formatCode = $pValue;
$this->builtInFormatCode = self::builtInFormatCodeIndex($pValue);
}
return $this;
}
/**
* Get Built-In Format Code
*
* @return int
*/
public function getBuiltInFormatCode()
{
if ($this->isSupervisor) {
return $this->getSharedComponent()->getBuiltInFormatCode();
}
return $this->builtInFormatCode;
}
/**
* Set Built-In Format Code
*
* @param int $pValue
* @return PHPExcel_Style_NumberFormat
*/
public function setBuiltInFormatCode($pValue = 0)
{
if ($this->isSupervisor) {
$styleArray = $this->getStyleArray(array('code' => self::builtInFormatCode($pValue)));
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
} else {
$this->builtInFormatCode = $pValue;
$this->formatCode = self::builtInFormatCode($pValue);
}
return $this;
}
/**
* Fill built-in format codes
*/
private static function fillBuiltInFormatCodes()
{
// [MS-OI29500: Microsoft Office Implementation Information for ISO/IEC-29500 Standard Compliance]
// 18.8.30. numFmt (Number Format)
//
// The ECMA standard defines built-in format IDs
// 14: "mm-dd-yy"
// 22: "m/d/yy h:mm"
// 37: "#,##0 ;(#,##0)"
// 38: "#,##0 ;[Red](#,##0)"
// 39: "#,##0.00;(#,##0.00)"
// 40: "#,##0.00;[Red](#,##0.00)"
// 47: "mmss.0"
// KOR fmt 55: "yyyy-mm-dd"
// Excel defines built-in format IDs
// 14: "m/d/yyyy"
// 22: "m/d/yyyy h:mm"
// 37: "#,##0_);(#,##0)"
// 38: "#,##0_);[Red](#,##0)"
// 39: "#,##0.00_);(#,##0.00)"
// 40: "#,##0.00_);[Red](#,##0.00)"
// 47: "mm:ss.0"
// KOR fmt 55: "yyyy/mm/dd"
// Built-in format codes
if (is_null(self::$builtInFormats)) {
self::$builtInFormats = array();
// General
self::$builtInFormats[0] = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
self::$builtInFormats[1] = '0';
self::$builtInFormats[2] = '0.00';
self::$builtInFormats[3] = '#,##0';
self::$builtInFormats[4] = '#,##0.00';
self::$builtInFormats[9] = '0%';
self::$builtInFormats[10] = '0.00%';
self::$builtInFormats[11] = '0.00E+00';
self::$builtInFormats[12] = '# ?/?';
self::$builtInFormats[13] = '# ??/??';
self::$builtInFormats[14] = 'm/d/yyyy'; // Despite ECMA 'mm-dd-yy';
self::$builtInFormats[15] = 'd-mmm-yy';
self::$builtInFormats[16] = 'd-mmm';
self::$builtInFormats[17] = 'mmm-yy';
self::$builtInFormats[18] = 'h:mm AM/PM';
self::$builtInFormats[19] = 'h:mm:ss AM/PM';
self::$builtInFormats[20] = 'h:mm';
self::$builtInFormats[21] = 'h:mm:ss';
self::$builtInFormats[22] = 'm/d/yyyy h:mm'; // Despite ECMA 'm/d/yy h:mm';
self::$builtInFormats[37] = '#,##0_);(#,##0)'; // Despite ECMA '#,##0 ;(#,##0)';
self::$builtInFormats[38] = '#,##0_);[Red](#,##0)'; // Despite ECMA '#,##0 ;[Red](#,##0)';
self::$builtInFormats[39] = '#,##0.00_);(#,##0.00)'; // Despite ECMA '#,##0.00;(#,##0.00)';
self::$builtInFormats[40] = '#,##0.00_);[Red](#,##0.00)'; // Despite ECMA '#,##0.00;[Red](#,##0.00)';
self::$builtInFormats[44] = '_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)';
self::$builtInFormats[45] = 'mm:ss';
self::$builtInFormats[46] = '[h]:mm:ss';
self::$builtInFormats[47] = 'mm:ss.0'; // Despite ECMA 'mmss.0';
self::$builtInFormats[48] = '##0.0E+0';
self::$builtInFormats[49] = '@';
// CHT
self::$builtInFormats[27] = '[$-404]e/m/d';
self::$builtInFormats[30] = 'm/d/yy';
self::$builtInFormats[36] = '[$-404]e/m/d';
self::$builtInFormats[50] = '[$-404]e/m/d';
self::$builtInFormats[57] = '[$-404]e/m/d';
// THA
self::$builtInFormats[59] = 't0';
self::$builtInFormats[60] = 't0.00';
self::$builtInFormats[61] = 't#,##0';
self::$builtInFormats[62] = 't#,##0.00';
self::$builtInFormats[67] = 't0%';
self::$builtInFormats[68] = 't0.00%';
self::$builtInFormats[69] = 't# ?/?';
self::$builtInFormats[70] = 't# ??/??';
// Flip array (for faster lookups)
self::$flippedBuiltInFormats = array_flip(self::$builtInFormats);
}
}
/**
* Get built-in format code
*
* @param int $pIndex
* @return string
*/
public static function builtInFormatCode($pIndex)
{
// Clean parameter
$pIndex = intval($pIndex);
// Ensure built-in format codes are available
self::fillBuiltInFormatCodes();
// Lookup format code
if (isset(self::$builtInFormats[$pIndex])) {
return self::$builtInFormats[$pIndex];
}
return '';
}
/**
* Get built-in format code index
*
* @param string $formatCode
* @return int|boolean
*/
public static function builtInFormatCodeIndex($formatCode)
{
// Ensure built-in format codes are available
self::fillBuiltInFormatCodes();
// Lookup format code
if (isset(self::$flippedBuiltInFormats[$formatCode])) {
return self::$flippedBuiltInFormats[$formatCode];
}
return false;
}
/**
* Get hash code
*
* @return string Hash code
*/
public function getHashCode()
{
if ($this->isSupervisor) {
return $this->getSharedComponent()->getHashCode();
}
return md5(
$this->formatCode .
$this->builtInFormatCode .
__CLASS__
);
}
/**
* Search/replace values to convert Excel date/time format masks to PHP format masks
*
* @var array
*/
private static $dateFormatReplacements = array(
// first remove escapes related to non-format characters
'\\' => '',
// 12-hour suffix
'am/pm' => 'A',
// 4-digit year
'e' => 'Y',
'yyyy' => 'Y',
// 2-digit year
'yy' => 'y',
// first letter of month - no php equivalent
'mmmmm' => 'M',
// full month name
'mmmm' => 'F',
// short month name
'mmm' => 'M',
// mm is minutes if time, but can also be month w/leading zero
// so we try to identify times be the inclusion of a : separator in the mask
// It isn't perfect, but the best way I know how
':mm' => ':i',
'mm:' => 'i:',
// month leading zero
'mm' => 'm',
// month no leading zero
'm' => 'n',
// full day of week name
'dddd' => 'l',
// short day of week name
'ddd' => 'D',
// days leading zero
'dd' => 'd',
// days no leading zero
'd' => 'j',
// seconds
'ss' => 's',
// fractional seconds - no php equivalent
'.s' => ''
);
/**
* Search/replace values to convert Excel date/time format masks hours to PHP format masks (24 hr clock)
*
* @var array
*/
private static $dateFormatReplacements24 = array(
'hh' => 'H',
'h' => 'G'
);
/**
* Search/replace values to convert Excel date/time format masks hours to PHP format masks (12 hr clock)
*
* @var array
*/
private static $dateFormatReplacements12 = array(
'hh' => 'h',
'h' => 'g'
);
private static function setLowercaseCallback($matches) {
return mb_strtolower($matches[0]);
}
private static function escapeQuotesCallback($matches) {
return '\\' . implode('\\', str_split($matches[1]));
}
private static function formatAsDate(&$value, &$format)
{
// strip off first part containing e.g. [$-F800] or [$USD-409]
// general syntax: [$<Currency string>-<language info>]
// language info is in hexadecimal
$format = preg_replace('/^(\[\$[A-Z]*-[0-9A-F]*\])/i', '', $format);
// OpenOffice.org uses upper-case number formats, e.g. 'YYYY', convert to lower-case;
// but we don't want to change any quoted strings
$format = preg_replace_callback('/(?:^|")([^"]*)(?:$|")/', array('self', 'setLowercaseCallback'), $format);
// Only process the non-quoted blocks for date format characters
$blocks = explode('"', $format);
foreach($blocks as $key => &$block) {
if ($key % 2 == 0) {
$block = strtr($block, self::$dateFormatReplacements);
if (!strpos($block, 'A')) {
// 24-hour time format
$block = strtr($block, self::$dateFormatReplacements24);
} else {
// 12-hour time format
$block = strtr($block, self::$dateFormatReplacements12);
}
}
}
$format = implode('"', $blocks);
// escape any quoted characters so that DateTime format() will render them correctly
$format = preg_replace_callback('/"(.*)"/U', array('self', 'escapeQuotesCallback'), $format);
$dateObj = PHPExcel_Shared_Date::ExcelToPHPObject($value);
$value = $dateObj->format($format);
}
private static function formatAsPercentage(&$value, &$format)
{
if ($format === self::FORMAT_PERCENTAGE) {
$value = round((100 * $value), 0) . '%';
} else {
if (preg_match('/\.[#0]+/i', $format, $m)) {
$s = substr($m[0], 0, 1) . (strlen($m[0]) - 1);
$format = str_replace($m[0], $s, $format);
}
if (preg_match('/^[#0]+/', $format, $m)) {
$format = str_replace($m[0], strlen($m[0]), $format);
}
$format = '%' . str_replace('%', 'f%%', $format);
$value = sprintf($format, 100 * $value);
}
}
private static function formatAsFraction(&$value, &$format)
{
$sign = ($value < 0) ? '-' : '';
$integerPart = floor(abs($value));
$decimalPart = trim(fmod(abs($value), 1), '0.');
$decimalLength = strlen($decimalPart);
$decimalDivisor = pow(10, $decimalLength);
$GCD = PHPExcel_Calculation_MathTrig::GCD($decimalPart, $decimalDivisor);
$adjustedDecimalPart = $decimalPart/$GCD;
$adjustedDecimalDivisor = $decimalDivisor/$GCD;
if ((strpos($format, '0') !== false) || (strpos($format, '#') !== false) || (substr($format, 0, 3) == '? ?')) {
if ($integerPart == 0) {
$integerPart = '';
}
$value = "$sign$integerPart $adjustedDecimalPart/$adjustedDecimalDivisor";
} else {
$adjustedDecimalPart += $integerPart * $adjustedDecimalDivisor;
$value = "$sign$adjustedDecimalPart/$adjustedDecimalDivisor";
}
}
private static function complexNumberFormatMask($number, $mask, $level = 0)
{
$sign = ($number < 0.0);
$number = abs($number);
if (strpos($mask, '.') !== false) {
$numbers = explode('.', $number . '.0');
$masks = explode('.', $mask . '.0');
$result1 = self::complexNumberFormatMask($numbers[0], $masks[0], 1);
$result2 = strrev(self::complexNumberFormatMask(strrev($numbers[1]), strrev($masks[1]), 1));
return (($sign) ? '-' : '') . $result1 . '.' . $result2;
}
$r = preg_match_all('/0+/', $mask, $result, PREG_OFFSET_CAPTURE);
if ($r > 1) {
$result = array_reverse($result[0]);
foreach ($result as $block) {
$divisor = 1 . $block[0];
$size = strlen($block[0]);
$offset = $block[1];
$blockValue = sprintf(
'%0' . $size . 'd',
fmod($number, $divisor)
);
$number = floor($number / $divisor);
$mask = substr_replace($mask, $blockValue, $offset, $size);
}
if ($number > 0) {
$mask = substr_replace($mask, $number, $offset, 0);
}
$result = $mask;
} else {
$result = $number;
}
return (($sign) ? '-' : '') . $result;
}
/**
* Convert a value in a pre-defined format to a PHP string
*
* @param mixed $value Value to format
* @param string $format Format code
* @param array $callBack Callback function for additional formatting of string
* @return string Formatted string
*/
public static function toFormattedString($value = '0', $format = PHPExcel_Style_NumberFormat::FORMAT_GENERAL, $callBack = null)
{
// For now we do not treat strings although section 4 of a format code affects strings
if (!is_numeric($value)) {
return $value;
}
// For 'General' format code, we just pass the value although this is not entirely the way Excel does it,
// it seems to round numbers to a total of 10 digits.
if (($format === PHPExcel_Style_NumberFormat::FORMAT_GENERAL) || ($format === PHPExcel_Style_NumberFormat::FORMAT_TEXT)) {
return $value;
}
// Convert any other escaped characters to quoted strings, e.g. (\T to "T")
$format = preg_replace('/(\\\(.))(?=(?:[^"]|"[^"]*")*$)/u', '"${2}"', $format);
// Get the sections, there can be up to four sections, separated with a semi-colon (but only if not a quoted literal)
$sections = preg_split('/(;)(?=(?:[^"]|"[^"]*")*$)/u', $format);
// Extract the relevant section depending on whether number is positive, negative, or zero?
// Text not supported yet.
// Here is how the sections apply to various values in Excel:
// 1 section: [POSITIVE/NEGATIVE/ZERO/TEXT]
// 2 sections: [POSITIVE/ZERO/TEXT] [NEGATIVE]
// 3 sections: [POSITIVE/TEXT] [NEGATIVE] [ZERO]
// 4 sections: [POSITIVE] [NEGATIVE] [ZERO] [TEXT]
switch (count($sections)) {
case 1:
$format = $sections[0];
break;
case 2:
$format = ($value >= 0) ? $sections[0] : $sections[1];
$value = abs($value); // Use the absolute value
break;
case 3:
$format = ($value > 0) ?
$sections[0] : ( ($value < 0) ?
$sections[1] : $sections[2]);
$value = abs($value); // Use the absolute value
break;
case 4:
$format = ($value > 0) ?
$sections[0] : ( ($value < 0) ?
$sections[1] : $sections[2]);
$value = abs($value); // Use the absolute value
break;
default:
// something is wrong, just use first section
$format = $sections[0];
break;
}
// In Excel formats, "_" is used to add spacing,
// The following character indicates the size of the spacing, which we can't do in HTML, so we just use a standard space
$format = preg_replace('/_./', ' ', $format);
// Save format with color information for later use below
$formatColor = $format;
// Strip color information
$color_regex = '/^\\[[a-zA-Z]+\\]/';
$format = preg_replace($color_regex, '', $format);
// Let's begin inspecting the format and converting the value to a formatted string
// Check for date/time characters (not inside quotes)
if (preg_match('/(\[\$[A-Z]*-[0-9A-F]*\])*[hmsdy](?=(?:[^"]|"[^"]*")*$)/miu', $format, $matches)) {
// datetime format
self::formatAsDate($value, $format);
} elseif (preg_match('/%$/', $format)) {
// % number format
self::formatAsPercentage($value, $format);
} else {
if ($format === self::FORMAT_CURRENCY_EUR_SIMPLE) {
$value = 'EUR ' . sprintf('%1.2f', $value);
} else {
// Some non-number strings are quoted, so we'll get rid of the quotes, likewise any positional * symbols
$format = str_replace(array('"', '*'), '', $format);
// Find out if we need thousands separator
// This is indicated by a comma enclosed by a digit placeholder:
// #,# or 0,0
$useThousands = preg_match('/(#,#|0,0)/', $format);
if ($useThousands) {
$format = preg_replace('/0,0/', '00', $format);
$format = preg_replace('/#,#/', '##', $format);
}
// Scale thousands, millions,...
// This is indicated by a number of commas after a digit placeholder:
// #, or 0.0,,
$scale = 1; // same as no scale
$matches = array();
if (preg_match('/(#|0)(,+)/', $format, $matches)) {
$scale = pow(1000, strlen($matches[2]));
// strip the commas
$format = preg_replace('/0,+/', '0', $format);
$format = preg_replace('/#,+/', '#', $format);
}
if (preg_match('/#?.*\?\/\?/', $format, $m)) {
//echo 'Format mask is fractional '.$format.' <br />';
if ($value != (int)$value) {
self::formatAsFraction($value, $format);
}
} else {
// Handle the number itself
// scale number
$value = $value / $scale;
// Strip #
$format = preg_replace('/\\#/', '0', $format);
$n = "/\[[^\]]+\]/";
$m = preg_replace($n, '', $format);
$number_regex = "/(0+)(\.?)(0*)/";
if (preg_match($number_regex, $m, $matches)) {
$left = $matches[1];
$dec = $matches[2];
$right = $matches[3];
// minimun width of formatted number (including dot)
$minWidth = strlen($left) + strlen($dec) + strlen($right);
if ($useThousands) {
$value = number_format(
$value,
strlen($right),
PHPExcel_Shared_String::getDecimalSeparator(),
PHPExcel_Shared_String::getThousandsSeparator()
);
$value = preg_replace($number_regex, $value, $format);
} else {
if (preg_match('/[0#]E[+-]0/i', $format)) {
// Scientific format
$value = sprintf('%5.2E', $value);
} elseif (preg_match('/0([^\d\.]+)0/', $format)) {
$value = self::complexNumberFormatMask($value, $format);
} else {
$sprintf_pattern = "%0$minWidth." . strlen($right) . "f";
$value = sprintf($sprintf_pattern, $value);
$value = preg_replace($number_regex, $value, $format);
}
}
}
}
if (preg_match('/\[\$(.*)\]/u', $format, $m)) {
// Currency or Accounting
$currencyFormat = $m[0];
$currencyCode = $m[1];
list($currencyCode) = explode('-', $currencyCode);
if ($currencyCode == '') {
$currencyCode = PHPExcel_Shared_String::getCurrencyCode();
}
$value = preg_replace('/\[\$([^\]]*)\]/u', $currencyCode, $value);
}
}
}
// Escape any escaped slashes to a single slash
$format = preg_replace("/\\\\/u", '\\', $format);
// Additional formatting provided by callback function
if ($callBack !== null) {
list($writerInstance, $function) = $callBack;
$value = $writerInstance->$function($value, $formatColor);
}
return $value;
}
}