forked from joomla/Component-Builder
726 lines
17 KiB
PHP
726 lines
17 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2014 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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/**
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* @ignore
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*/
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/** MAX_VALUE */
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define('MAX_VALUE', 1.2e308);
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/** 2 / PI */
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define('M_2DIVPI', 0.63661977236758134307553505349006);
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/** MAX_ITERATIONS */
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define('MAX_ITERATIONS', 256);
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/** PRECISION */
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define('PRECISION', 8.88E-016);
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/**
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* PHPExcel_Calculation_Functions
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Calculation_Functions {
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/** constants */
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const COMPATIBILITY_EXCEL = 'Excel';
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const COMPATIBILITY_GNUMERIC = 'Gnumeric';
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const COMPATIBILITY_OPENOFFICE = 'OpenOfficeCalc';
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const RETURNDATE_PHP_NUMERIC = 'P';
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const RETURNDATE_PHP_OBJECT = 'O';
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const RETURNDATE_EXCEL = 'E';
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/**
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* Compatibility mode to use for error checking and responses
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*
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* @access private
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* @var string
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*/
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protected static $compatibilityMode = self::COMPATIBILITY_EXCEL;
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/**
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* Data Type to use when returning date values
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*
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* @access private
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* @var string
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*/
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protected static $ReturnDateType = self::RETURNDATE_EXCEL;
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/**
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* List of error codes
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*
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* @access private
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* @var array
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*/
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protected static $_errorCodes = array( 'null' => '#NULL!',
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'divisionbyzero' => '#DIV/0!',
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'value' => '#VALUE!',
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'reference' => '#REF!',
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'name' => '#NAME?',
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'num' => '#NUM!',
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'na' => '#N/A',
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'gettingdata' => '#GETTING_DATA'
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);
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/**
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* Set the Compatibility Mode
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*
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* @access public
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* @category Function Configuration
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* @param string $compatibilityMode Compatibility Mode
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* Permitted values are:
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* PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL 'Excel'
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* PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC 'Gnumeric'
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* PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc'
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* @return boolean (Success or Failure)
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*/
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public static function setCompatibilityMode($compatibilityMode) {
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if (($compatibilityMode == self::COMPATIBILITY_EXCEL) ||
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($compatibilityMode == self::COMPATIBILITY_GNUMERIC) ||
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($compatibilityMode == self::COMPATIBILITY_OPENOFFICE)) {
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self::$compatibilityMode = $compatibilityMode;
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return True;
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}
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return False;
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} // function setCompatibilityMode()
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/**
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* Return the current Compatibility Mode
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*
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* @access public
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* @category Function Configuration
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* @return string Compatibility Mode
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* Possible Return values are:
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* PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL 'Excel'
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* PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC 'Gnumeric'
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* PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc'
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*/
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public static function getCompatibilityMode() {
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return self::$compatibilityMode;
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} // function getCompatibilityMode()
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/**
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* Set the Return Date Format used by functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object)
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*
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* @access public
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* @category Function Configuration
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* @param string $returnDateType Return Date Format
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* Permitted values are:
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* PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC 'P'
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* PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT 'O'
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* PHPExcel_Calculation_Functions::RETURNDATE_EXCEL 'E'
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* @return boolean Success or failure
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*/
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public static function setReturnDateType($returnDateType) {
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if (($returnDateType == self::RETURNDATE_PHP_NUMERIC) ||
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($returnDateType == self::RETURNDATE_PHP_OBJECT) ||
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($returnDateType == self::RETURNDATE_EXCEL)) {
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self::$ReturnDateType = $returnDateType;
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return True;
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}
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return False;
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} // function setReturnDateType()
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/**
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* Return the current Return Date Format for functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object)
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*
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* @access public
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* @category Function Configuration
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* @return string Return Date Format
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* Possible Return values are:
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* PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC 'P'
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* PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT 'O'
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* PHPExcel_Calculation_Functions::RETURNDATE_EXCEL 'E'
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*/
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public static function getReturnDateType() {
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return self::$ReturnDateType;
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} // function getReturnDateType()
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/**
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* DUMMY
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*
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* @access public
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* @category Error Returns
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* @return string #Not Yet Implemented
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*/
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public static function DUMMY() {
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return '#Not Yet Implemented';
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} // function DUMMY()
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/**
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* DIV0
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*
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* @access public
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* @category Error Returns
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* @return string #Not Yet Implemented
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*/
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public static function DIV0() {
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return self::$_errorCodes['divisionbyzero'];
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} // function DIV0()
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/**
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* NA
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*
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* Excel Function:
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* =NA()
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*
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* Returns the error value #N/A
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* #N/A is the error value that means "no value is available."
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*
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* @access public
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* @category Logical Functions
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* @return string #N/A!
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*/
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public static function NA() {
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return self::$_errorCodes['na'];
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} // function NA()
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/**
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* NaN
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*
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* Returns the error value #NUM!
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*
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* @access public
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* @category Error Returns
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* @return string #NUM!
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*/
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public static function NaN() {
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return self::$_errorCodes['num'];
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} // function NaN()
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/**
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* NAME
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*
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* Returns the error value #NAME?
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*
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* @access public
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* @category Error Returns
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* @return string #NAME?
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*/
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public static function NAME() {
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return self::$_errorCodes['name'];
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} // function NAME()
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/**
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* REF
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*
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* Returns the error value #REF!
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*
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* @access public
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* @category Error Returns
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* @return string #REF!
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*/
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public static function REF() {
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return self::$_errorCodes['reference'];
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} // function REF()
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/**
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* NULL
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*
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* Returns the error value #NULL!
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*
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* @access public
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* @category Error Returns
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* @return string #NULL!
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*/
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public static function NULL() {
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return self::$_errorCodes['null'];
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} // function NULL()
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/**
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* VALUE
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*
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* Returns the error value #VALUE!
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*
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* @access public
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* @category Error Returns
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* @return string #VALUE!
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*/
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public static function VALUE() {
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return self::$_errorCodes['value'];
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} // function VALUE()
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public static function isMatrixValue($idx) {
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return ((substr_count($idx,'.') <= 1) || (preg_match('/\.[A-Z]/',$idx) > 0));
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}
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public static function isValue($idx) {
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return (substr_count($idx,'.') == 0);
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}
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public static function isCellValue($idx) {
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return (substr_count($idx,'.') > 1);
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}
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public static function _ifCondition($condition) {
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$condition = PHPExcel_Calculation_Functions::flattenSingleValue($condition);
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if (!isset($condition{0}))
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$condition = '=""';
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if (!in_array($condition{0},array('>', '<', '='))) {
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if (!is_numeric($condition)) { $condition = PHPExcel_Calculation::_wrapResult(strtoupper($condition)); }
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return '='.$condition;
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} else {
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preg_match('/([<>=]+)(.*)/',$condition,$matches);
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list(,$operator,$operand) = $matches;
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if (!is_numeric($operand)) {
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$operand = str_replace('"', '""', $operand);
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$operand = PHPExcel_Calculation::_wrapResult(strtoupper($operand));
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}
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return $operator.$operand;
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}
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} // function _ifCondition()
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/**
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* ERROR_TYPE
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function ERROR_TYPE($value = '') {
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$value = self::flattenSingleValue($value);
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$i = 1;
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foreach(self::$_errorCodes as $errorCode) {
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if ($value === $errorCode) {
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return $i;
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}
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++$i;
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}
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return self::NA();
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} // function ERROR_TYPE()
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/**
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* IS_BLANK
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_BLANK($value = NULL) {
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if (!is_null($value)) {
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$value = self::flattenSingleValue($value);
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}
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return is_null($value);
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} // function IS_BLANK()
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/**
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* IS_ERR
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_ERR($value = '') {
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$value = self::flattenSingleValue($value);
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return self::IS_ERROR($value) && (!self::IS_NA($value));
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} // function IS_ERR()
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/**
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* IS_ERROR
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_ERROR($value = '') {
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$value = self::flattenSingleValue($value);
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if (!is_string($value))
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return false;
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return in_array($value, array_values(self::$_errorCodes));
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} // function IS_ERROR()
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/**
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* IS_NA
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_NA($value = '') {
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$value = self::flattenSingleValue($value);
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return ($value === self::NA());
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} // function IS_NA()
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/**
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* IS_EVEN
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_EVEN($value = NULL) {
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$value = self::flattenSingleValue($value);
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if ($value === NULL)
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return self::NAME();
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if ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value))))
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return self::VALUE();
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return ($value % 2 == 0);
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} // function IS_EVEN()
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/**
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* IS_ODD
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_ODD($value = NULL) {
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$value = self::flattenSingleValue($value);
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if ($value === NULL)
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return self::NAME();
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if ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value))))
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return self::VALUE();
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return (abs($value) % 2 == 1);
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} // function IS_ODD()
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/**
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* IS_NUMBER
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_NUMBER($value = NULL) {
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$value = self::flattenSingleValue($value);
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if (is_string($value)) {
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return False;
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}
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return is_numeric($value);
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} // function IS_NUMBER()
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/**
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* IS_LOGICAL
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_LOGICAL($value = NULL) {
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$value = self::flattenSingleValue($value);
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return is_bool($value);
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} // function IS_LOGICAL()
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/**
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* IS_TEXT
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_TEXT($value = NULL) {
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$value = self::flattenSingleValue($value);
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return (is_string($value) && !self::IS_ERROR($value));
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} // function IS_TEXT()
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/**
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* IS_NONTEXT
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function IS_NONTEXT($value = NULL) {
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return !self::IS_TEXT($value);
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} // function IS_NONTEXT()
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/**
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* VERSION
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*
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* @return string Version information
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*/
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public static function VERSION() {
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return 'PHPExcel ##VERSION##, ##DATE##';
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} // function VERSION()
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/**
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* N
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*
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* Returns a value converted to a number
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*
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* @param value The value you want converted
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* @return number N converts values listed in the following table
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* If value is or refers to N returns
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* A number That number
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* A date The serial number of that date
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* TRUE 1
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* FALSE 0
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* An error value The error value
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* Anything else 0
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*/
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public static function N($value = NULL) {
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while (is_array($value)) {
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$value = array_shift($value);
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}
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switch (gettype($value)) {
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case 'double' :
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case 'float' :
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case 'integer' :
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return $value;
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break;
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case 'boolean' :
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return (integer) $value;
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break;
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case 'string' :
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// Errors
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if ((strlen($value) > 0) && ($value{0} == '#')) {
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return $value;
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}
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break;
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}
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return 0;
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} // function N()
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/**
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* TYPE
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*
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* Returns a number that identifies the type of a value
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*
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* @param value The value you want tested
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* @return number N converts values listed in the following table
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* If value is or refers to N returns
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* A number 1
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* Text 2
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* Logical Value 4
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* An error value 16
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* Array or Matrix 64
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*/
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public static function TYPE($value = NULL) {
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$value = self::flattenArrayIndexed($value);
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if (is_array($value) && (count($value) > 1)) {
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$a = array_keys($value);
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$a = array_pop($a);
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// Range of cells is an error
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if (self::isCellValue($a)) {
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return 16;
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// Test for Matrix
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} elseif (self::isMatrixValue($a)) {
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return 64;
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}
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} elseif(empty($value)) {
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// Empty Cell
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return 1;
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}
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$value = self::flattenSingleValue($value);
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if (($value === NULL) || (is_float($value)) || (is_int($value))) {
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return 1;
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} elseif(is_bool($value)) {
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return 4;
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} elseif(is_array($value)) {
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return 64;
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} elseif(is_string($value)) {
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// Errors
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if ((strlen($value) > 0) && ($value{0} == '#')) {
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return 16;
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}
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return 2;
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}
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return 0;
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} // function TYPE()
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/**
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* Convert a multi-dimensional array to a simple 1-dimensional array
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*
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* @param array $array Array to be flattened
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* @return array Flattened array
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*/
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public static function flattenArray($array) {
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if (!is_array($array)) {
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|
return (array) $array;
|
|
}
|
|
|
|
$arrayValues = array();
|
|
foreach ($array as $value) {
|
|
if (is_array($value)) {
|
|
foreach ($value as $val) {
|
|
if (is_array($val)) {
|
|
foreach ($val as $v) {
|
|
$arrayValues[] = $v;
|
|
}
|
|
} else {
|
|
$arrayValues[] = $val;
|
|
}
|
|
}
|
|
} else {
|
|
$arrayValues[] = $value;
|
|
}
|
|
}
|
|
|
|
return $arrayValues;
|
|
} // function flattenArray()
|
|
|
|
|
|
/**
|
|
* Convert a multi-dimensional array to a simple 1-dimensional array, but retain an element of indexing
|
|
*
|
|
* @param array $array Array to be flattened
|
|
* @return array Flattened array
|
|
*/
|
|
public static function flattenArrayIndexed($array) {
|
|
if (!is_array($array)) {
|
|
return (array) $array;
|
|
}
|
|
|
|
$arrayValues = array();
|
|
foreach ($array as $k1 => $value) {
|
|
if (is_array($value)) {
|
|
foreach ($value as $k2 => $val) {
|
|
if (is_array($val)) {
|
|
foreach ($val as $k3 => $v) {
|
|
$arrayValues[$k1.'.'.$k2.'.'.$k3] = $v;
|
|
}
|
|
} else {
|
|
$arrayValues[$k1.'.'.$k2] = $val;
|
|
}
|
|
}
|
|
} else {
|
|
$arrayValues[$k1] = $value;
|
|
}
|
|
}
|
|
|
|
return $arrayValues;
|
|
} // function flattenArrayIndexed()
|
|
|
|
|
|
/**
|
|
* Convert an array to a single scalar value by extracting the first element
|
|
*
|
|
* @param mixed $value Array or scalar value
|
|
* @return mixed
|
|
*/
|
|
public static function flattenSingleValue($value = '') {
|
|
while (is_array($value)) {
|
|
$value = array_pop($value);
|
|
}
|
|
|
|
return $value;
|
|
} // function flattenSingleValue()
|
|
|
|
} // class PHPExcel_Calculation_Functions
|
|
|
|
|
|
//
|
|
// There are a few mathematical functions that aren't available on all versions of PHP for all platforms
|
|
// These functions aren't available in Windows implementations of PHP prior to version 5.3.0
|
|
// So we test if they do exist for this version of PHP/operating platform; and if not we create them
|
|
//
|
|
if (!function_exists('acosh')) {
|
|
function acosh($x) {
|
|
return 2 * log(sqrt(($x + 1) / 2) + sqrt(($x - 1) / 2));
|
|
} // function acosh()
|
|
}
|
|
|
|
if (!function_exists('asinh')) {
|
|
function asinh($x) {
|
|
return log($x + sqrt(1 + $x * $x));
|
|
} // function asinh()
|
|
}
|
|
|
|
if (!function_exists('atanh')) {
|
|
function atanh($x) {
|
|
return (log(1 + $x) - log(1 - $x)) / 2;
|
|
} // function atanh()
|
|
}
|
|
|
|
|
|
//
|
|
// Strangely, PHP doesn't have a mb_str_replace multibyte function
|
|
// As we'll only ever use this function with UTF-8 characters, we can simply "hard-code" the character set
|
|
//
|
|
if ((!function_exists('mb_str_replace')) &&
|
|
(function_exists('mb_substr')) && (function_exists('mb_strlen')) && (function_exists('mb_strpos'))) {
|
|
function mb_str_replace($search, $replace, $subject) {
|
|
if(is_array($subject)) {
|
|
$ret = array();
|
|
foreach($subject as $key => $val) {
|
|
$ret[$key] = mb_str_replace($search, $replace, $val);
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
foreach((array) $search as $key => $s) {
|
|
if($s == '') {
|
|
continue;
|
|
}
|
|
$r = !is_array($replace) ? $replace : (array_key_exists($key, $replace) ? $replace[$key] : '');
|
|
$pos = mb_strpos($subject, $s, 0, 'UTF-8');
|
|
while($pos !== false) {
|
|
$subject = mb_substr($subject, 0, $pos, 'UTF-8') . $r . mb_substr($subject, $pos + mb_strlen($s, 'UTF-8'), 65535, 'UTF-8');
|
|
$pos = mb_strpos($subject, $s, $pos + mb_strlen($r, 'UTF-8'), 'UTF-8');
|
|
}
|
|
}
|
|
return $subject;
|
|
}
|
|
}
|