891981928d
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@87638 2327b42d-5241-43d6-9e2a-de5ac946f064
809 lines
28 KiB
PHP
809 lines
28 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2012 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 - 2012 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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/**
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* PHPExcel_Calculation_LookupRef
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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 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Calculation_LookupRef {
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/**
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* CELL_ADDRESS
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*
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* Creates a cell address as text, given specified row and column numbers.
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*
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* Excel Function:
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* =ADDRESS(row, column, [relativity], [referenceStyle], [sheetText])
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*
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* @param row Row number to use in the cell reference
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* @param column Column number to use in the cell reference
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* @param relativity Flag indicating the type of reference to return
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* 1 or omitted Absolute
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* 2 Absolute row; relative column
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* 3 Relative row; absolute column
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* 4 Relative
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* @param referenceStyle A logical value that specifies the A1 or R1C1 reference style.
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* TRUE or omitted CELL_ADDRESS returns an A1-style reference
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* FALSE CELL_ADDRESS returns an R1C1-style reference
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* @param sheetText Optional Name of worksheet to use
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* @return string
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*/
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public static function CELL_ADDRESS($row, $column, $relativity=1, $referenceStyle=True, $sheetText='') {
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$row = PHPExcel_Calculation_Functions::flattenSingleValue($row);
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$column = PHPExcel_Calculation_Functions::flattenSingleValue($column);
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$relativity = PHPExcel_Calculation_Functions::flattenSingleValue($relativity);
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$sheetText = PHPExcel_Calculation_Functions::flattenSingleValue($sheetText);
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if (($row < 1) || ($column < 1)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if ($sheetText > '') {
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if (strpos($sheetText,' ') !== False) { $sheetText = "'".$sheetText."'"; }
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$sheetText .='!';
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}
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if ((!is_bool($referenceStyle)) || $referenceStyle) {
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$rowRelative = $columnRelative = '$';
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$column = PHPExcel_Cell::stringFromColumnIndex($column-1);
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if (($relativity == 2) || ($relativity == 4)) { $columnRelative = ''; }
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if (($relativity == 3) || ($relativity == 4)) { $rowRelative = ''; }
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return $sheetText.$columnRelative.$column.$rowRelative.$row;
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} else {
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if (($relativity == 2) || ($relativity == 4)) { $column = '['.$column.']'; }
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if (($relativity == 3) || ($relativity == 4)) { $row = '['.$row.']'; }
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return $sheetText.'R'.$row.'C'.$column;
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}
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} // function CELL_ADDRESS()
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/**
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* COLUMN
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*
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* Returns the column number of the given cell reference
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* If the cell reference is a range of cells, COLUMN returns the column numbers of each column in the reference as a horizontal array.
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* If cell reference is omitted, and the function is being called through the calculation engine, then it is assumed to be the
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* reference of the cell in which the COLUMN function appears; otherwise this function returns 0.
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*
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* Excel Function:
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* =COLUMN([cellAddress])
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*
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* @param cellAddress A reference to a range of cells for which you want the column numbers
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* @return integer or array of integer
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*/
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public static function COLUMN($cellAddress=Null) {
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if (is_null($cellAddress) || trim($cellAddress) === '') { return 0; }
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if (is_array($cellAddress)) {
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foreach($cellAddress as $columnKey => $value) {
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$columnKey = preg_replace('/[^a-z]/i','',$columnKey);
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return (integer) PHPExcel_Cell::columnIndexFromString($columnKey);
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}
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} else {
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if (strpos($cellAddress,'!') !== false) {
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list($sheet,$cellAddress) = explode('!',$cellAddress);
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}
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if (strpos($cellAddress,':') !== false) {
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list($startAddress,$endAddress) = explode(':',$cellAddress);
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$startAddress = preg_replace('/[^a-z]/i','',$startAddress);
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$endAddress = preg_replace('/[^a-z]/i','',$endAddress);
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$returnValue = array();
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do {
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$returnValue[] = (integer) PHPExcel_Cell::columnIndexFromString($startAddress);
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} while ($startAddress++ != $endAddress);
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return $returnValue;
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} else {
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$cellAddress = preg_replace('/[^a-z]/i','',$cellAddress);
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return (integer) PHPExcel_Cell::columnIndexFromString($cellAddress);
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}
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}
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} // function COLUMN()
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/**
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* COLUMNS
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*
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* Returns the number of columns in an array or reference.
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*
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* Excel Function:
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* =COLUMNS(cellAddress)
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*
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* @param cellAddress An array or array formula, or a reference to a range of cells for which you want the number of columns
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* @return integer The number of columns in cellAddress
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*/
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public static function COLUMNS($cellAddress=Null) {
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if (is_null($cellAddress) || $cellAddress === '') {
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return 1;
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} elseif (!is_array($cellAddress)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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$x = array_keys($cellAddress);
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$x = array_shift($x);
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$isMatrix = (is_numeric($x));
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list($columns,$rows) = PHPExcel_Calculation::_getMatrixDimensions($cellAddress);
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if ($isMatrix) {
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return $rows;
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} else {
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return $columns;
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}
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} // function COLUMNS()
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/**
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* ROW
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*
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* Returns the row number of the given cell reference
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* If the cell reference is a range of cells, ROW returns the row numbers of each row in the reference as a vertical array.
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* If cell reference is omitted, and the function is being called through the calculation engine, then it is assumed to be the
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* reference of the cell in which the ROW function appears; otherwise this function returns 0.
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*
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* Excel Function:
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* =ROW([cellAddress])
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*
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* @param cellAddress A reference to a range of cells for which you want the row numbers
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* @return integer or array of integer
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*/
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public static function ROW($cellAddress=Null) {
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if (is_null($cellAddress) || trim($cellAddress) === '') { return 0; }
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if (is_array($cellAddress)) {
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foreach($cellAddress as $columnKey => $rowValue) {
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foreach($rowValue as $rowKey => $cellValue) {
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return (integer) preg_replace('/[^0-9]/i','',$rowKey);
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}
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}
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} else {
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if (strpos($cellAddress,'!') !== false) {
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list($sheet,$cellAddress) = explode('!',$cellAddress);
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}
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if (strpos($cellAddress,':') !== false) {
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list($startAddress,$endAddress) = explode(':',$cellAddress);
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$startAddress = preg_replace('/[^0-9]/','',$startAddress);
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$endAddress = preg_replace('/[^0-9]/','',$endAddress);
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$returnValue = array();
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do {
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$returnValue[][] = (integer) $startAddress;
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} while ($startAddress++ != $endAddress);
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return $returnValue;
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} else {
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list($cellAddress) = explode(':',$cellAddress);
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return (integer) preg_replace('/[^0-9]/','',$cellAddress);
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}
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}
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} // function ROW()
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/**
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* ROWS
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*
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* Returns the number of rows in an array or reference.
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*
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* Excel Function:
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* =ROWS(cellAddress)
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*
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* @param cellAddress An array or array formula, or a reference to a range of cells for which you want the number of rows
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* @return integer The number of rows in cellAddress
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*/
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public static function ROWS($cellAddress=Null) {
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if (is_null($cellAddress) || $cellAddress === '') {
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return 1;
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} elseif (!is_array($cellAddress)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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$i = array_keys($cellAddress);
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$isMatrix = (is_numeric(array_shift($i)));
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list($columns,$rows) = PHPExcel_Calculation::_getMatrixDimensions($cellAddress);
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if ($isMatrix) {
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return $columns;
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} else {
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return $rows;
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}
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} // function ROWS()
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/**
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* HYPERLINK
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*
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* Excel Function:
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* =HYPERLINK(linkURL,displayName)
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*
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* @access public
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* @category Logical Functions
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* @param string $linkURL Value to check, is also the value returned when no error
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* @param string $displayName Value to return when testValue is an error condition
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* @return mixed The value of $displayName (or $linkURL if $displayName was blank)
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*/
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public static function HYPERLINK($linkURL = '', $displayName = null, PHPExcel_Cell $pCell = null) {
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$args = func_get_args();
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$pCell = array_pop($args);
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$linkURL = (is_null($linkURL)) ? '' : PHPExcel_Calculation_Functions::flattenSingleValue($linkURL);
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$displayName = (is_null($displayName)) ? '' : PHPExcel_Calculation_Functions::flattenSingleValue($displayName);
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if ((!is_object($pCell)) || (trim($linkURL) == '')) {
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return PHPExcel_Calculation_Functions::REF();
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}
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if ((is_object($displayName)) || trim($displayName) == '') {
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$displayName = $linkURL;
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}
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$pCell->getHyperlink()->setUrl($linkURL);
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return $displayName;
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} // function HYPERLINK()
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/**
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* INDIRECT
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*
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* Returns the reference specified by a text string.
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* References are immediately evaluated to display their contents.
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*
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* Excel Function:
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* =INDIRECT(cellAddress)
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*
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* NOTE - INDIRECT() does not yet support the optional a1 parameter introduced in Excel 2010
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*
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* @param cellAddress An array or array formula, or a reference to a range of cells for which you want the number of rows
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* @return mixed The cells referenced by cellAddress
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*
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* @todo Support for the optional a1 parameter introduced in Excel 2010
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*
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*/
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public static function INDIRECT($cellAddress=Null, PHPExcel_Cell $pCell = null) {
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$cellAddress = PHPExcel_Calculation_Functions::flattenSingleValue($cellAddress);
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if (is_null($cellAddress) || $cellAddress === '') {
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return PHPExcel_Calculation_Functions::REF();
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}
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$cellAddress1 = $cellAddress;
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$cellAddress2 = NULL;
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if (strpos($cellAddress,':') !== false) {
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list($cellAddress1,$cellAddress2) = explode(':',$cellAddress);
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}
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if ((!preg_match('/^'.PHPExcel_Calculation::CALCULATION_REGEXP_CELLREF.'$/i', $cellAddress1, $matches)) ||
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((!is_null($cellAddress2)) && (!preg_match('/^'.PHPExcel_Calculation::CALCULATION_REGEXP_CELLREF.'$/i', $cellAddress2, $matches)))) {
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if (!preg_match('/^'.PHPExcel_Calculation::CALCULATION_REGEXP_NAMEDRANGE.'$/i', $cellAddress1, $matches)) {
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return PHPExcel_Calculation_Functions::REF();
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}
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if (strpos($cellAddress,'!') !== false) {
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list($sheetName,$cellAddress) = explode('!',$cellAddress);
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$pSheet = $pCell->getParent()->getParent()->getSheetByName($sheetName);
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} else {
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$pSheet = $pCell->getParent();
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}
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return PHPExcel_Calculation::getInstance()->extractNamedRange($cellAddress, $pSheet, False);
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}
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if (strpos($cellAddress,'!') !== false) {
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list($sheetName,$cellAddress) = explode('!',$cellAddress);
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$pSheet = $pCell->getParent()->getParent()->getSheetByName($sheetName);
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} else {
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$pSheet = $pCell->getParent();
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}
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return PHPExcel_Calculation::getInstance()->extractCellRange($cellAddress, $pSheet, False);
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} // function INDIRECT()
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/**
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* OFFSET
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*
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* Returns a reference to a range that is a specified number of rows and columns from a cell or range of cells.
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* The reference that is returned can be a single cell or a range of cells. You can specify the number of rows and
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* the number of columns to be returned.
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*
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* Excel Function:
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* =OFFSET(cellAddress, rows, cols, [height], [width])
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*
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* @param cellAddress The reference from which you want to base the offset. Reference must refer to a cell or
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* range of adjacent cells; otherwise, OFFSET returns the #VALUE! error value.
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* @param rows The number of rows, up or down, that you want the upper-left cell to refer to.
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* Using 5 as the rows argument specifies that the upper-left cell in the reference is
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* five rows below reference. Rows can be positive (which means below the starting reference)
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* or negative (which means above the starting reference).
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* @param cols The number of columns, to the left or right, that you want the upper-left cell of the result
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* to refer to. Using 5 as the cols argument specifies that the upper-left cell in the
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* reference is five columns to the right of reference. Cols can be positive (which means
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* to the right of the starting reference) or negative (which means to the left of the
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* starting reference).
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* @param height The height, in number of rows, that you want the returned reference to be. Height must be a positive number.
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* @param width The width, in number of columns, that you want the returned reference to be. Width must be a positive number.
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* @return string A reference to a cell or range of cells
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*/
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public static function OFFSET($cellAddress=Null,$rows=0,$columns=0,$height=null,$width=null) {
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$rows = PHPExcel_Calculation_Functions::flattenSingleValue($rows);
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$columns = PHPExcel_Calculation_Functions::flattenSingleValue($columns);
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$height = PHPExcel_Calculation_Functions::flattenSingleValue($height);
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$width = PHPExcel_Calculation_Functions::flattenSingleValue($width);
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if ($cellAddress == Null) {
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return 0;
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}
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$args = func_get_args();
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$pCell = array_pop($args);
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if (!is_object($pCell)) {
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return PHPExcel_Calculation_Functions::REF();
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}
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$sheetName = null;
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if (strpos($cellAddress,"!")) {
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list($sheetName,$cellAddress) = explode("!",$cellAddress);
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}
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if (strpos($cellAddress,":")) {
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list($startCell,$endCell) = explode(":",$cellAddress);
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} else {
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$startCell = $endCell = $cellAddress;
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}
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list($startCellColumn,$startCellRow) = PHPExcel_Cell::coordinateFromString($startCell);
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list($endCellColumn,$endCellRow) = PHPExcel_Cell::coordinateFromString($endCell);
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$startCellRow += $rows;
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$startCellColumn = PHPExcel_Cell::columnIndexFromString($startCellColumn) - 1;
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$startCellColumn += $columns;
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if (($startCellRow <= 0) || ($startCellColumn < 0)) {
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return PHPExcel_Calculation_Functions::REF();
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}
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$endCellColumn = PHPExcel_Cell::columnIndexFromString($endCellColumn) - 1;
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if (($width != null) && (!is_object($width))) {
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$endCellColumn = $startCellColumn + $width - 1;
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} else {
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$endCellColumn += $columns;
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}
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$startCellColumn = PHPExcel_Cell::stringFromColumnIndex($startCellColumn);
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if (($height != null) && (!is_object($height))) {
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$endCellRow = $startCellRow + $height - 1;
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} else {
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$endCellRow += $rows;
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}
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if (($endCellRow <= 0) || ($endCellColumn < 0)) {
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return PHPExcel_Calculation_Functions::REF();
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}
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$endCellColumn = PHPExcel_Cell::stringFromColumnIndex($endCellColumn);
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$cellAddress = $startCellColumn.$startCellRow;
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if (($startCellColumn != $endCellColumn) || ($startCellRow != $endCellRow)) {
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$cellAddress .= ':'.$endCellColumn.$endCellRow;
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}
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if ($sheetName !== null) {
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$pSheet = $pCell->getParent()->getParent()->getSheetByName($sheetName);
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} else {
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$pSheet = $pCell->getParent();
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}
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return PHPExcel_Calculation::getInstance()->extractCellRange($cellAddress, $pSheet, False);
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} // function OFFSET()
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/**
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* CHOOSE
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*
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* Uses lookup_value to return a value from the list of value arguments.
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* Use CHOOSE to select one of up to 254 values based on the lookup_value.
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*
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* Excel Function:
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* =CHOOSE(index_num, value1, [value2], ...)
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*
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* @param index_num Specifies which value argument is selected.
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* Index_num must be a number between 1 and 254, or a formula or reference to a cell containing a number
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* between 1 and 254.
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* @param value1... Value1 is required, subsequent values are optional.
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* Between 1 to 254 value arguments from which CHOOSE selects a value or an action to perform based on
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* index_num. The arguments can be numbers, cell references, defined names, formulas, functions, or
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* text.
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* @return mixed The selected value
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*/
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public static function CHOOSE() {
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$chooseArgs = func_get_args();
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$chosenEntry = PHPExcel_Calculation_Functions::flattenArray(array_shift($chooseArgs));
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$entryCount = count($chooseArgs) - 1;
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if(is_array($chosenEntry)) {
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$chosenEntry = array_shift($chosenEntry);
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}
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if ((is_numeric($chosenEntry)) && (!is_bool($chosenEntry))) {
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--$chosenEntry;
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} else {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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$chosenEntry = floor($chosenEntry);
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if (($chosenEntry <= 0) || ($chosenEntry > $entryCount)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if (is_array($chooseArgs[$chosenEntry])) {
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return PHPExcel_Calculation_Functions::flattenArray($chooseArgs[$chosenEntry]);
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} else {
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return $chooseArgs[$chosenEntry];
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}
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} // function CHOOSE()
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/**
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* MATCH
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*
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* The MATCH function searches for a specified item in a range of cells
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*
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* Excel Function:
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* =MATCH(lookup_value, lookup_array, [match_type])
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*
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* @param lookup_value The value that you want to match in lookup_array
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* @param lookup_array The range of cells being searched
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* @param match_type The number -1, 0, or 1. -1 means above, 0 means exact match, 1 means below. If match_type is 1 or -1, the list has to be ordered.
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* @return integer The relative position of the found item
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*/
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public static function MATCH($lookup_value, $lookup_array, $match_type=1) {
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$lookup_array = PHPExcel_Calculation_Functions::flattenArray($lookup_array);
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$lookup_value = PHPExcel_Calculation_Functions::flattenSingleValue($lookup_value);
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$match_type = (is_null($match_type)) ? 1 : (int) PHPExcel_Calculation_Functions::flattenSingleValue($match_type);
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// MATCH is not case sensitive
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$lookup_value = strtolower($lookup_value);
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// lookup_value type has to be number, text, or logical values
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if ((!is_numeric($lookup_value)) && (!is_string($lookup_value)) && (!is_bool($lookup_value))) {
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return PHPExcel_Calculation_Functions::NA();
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}
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// match_type is 0, 1 or -1
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if (($match_type !== 0) && ($match_type !== -1) && ($match_type !== 1)) {
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return PHPExcel_Calculation_Functions::NA();
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}
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// lookup_array should not be empty
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$lookupArraySize = count($lookup_array);
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if ($lookupArraySize <= 0) {
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return PHPExcel_Calculation_Functions::NA();
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}
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// lookup_array should contain only number, text, or logical values, or empty (null) cells
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foreach($lookup_array as $i => $lookupArrayValue) {
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// check the type of the value
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if ((!is_numeric($lookupArrayValue)) && (!is_string($lookupArrayValue)) &&
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(!is_bool($lookupArrayValue)) && (!is_null($lookupArrayValue))) {
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return PHPExcel_Calculation_Functions::NA();
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}
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// convert strings to lowercase for case-insensitive testing
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if (is_string($lookupArrayValue)) {
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$lookup_array[$i] = strtolower($lookupArrayValue);
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}
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if ((is_null($lookupArrayValue)) && (($match_type == 1) || ($match_type == -1))) {
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$lookup_array = array_slice($lookup_array,0,$i-1);
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}
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}
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// if match_type is 1 or -1, the list has to be ordered
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if ($match_type == 1) {
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asort($lookup_array);
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$keySet = array_keys($lookup_array);
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} elseif($match_type == -1) {
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arsort($lookup_array);
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$keySet = array_keys($lookup_array);
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}
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// **
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// find the match
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// **
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// loop on the cells
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// var_dump($lookup_array);
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// echo '<br />';
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foreach($lookup_array as $i => $lookupArrayValue) {
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if (($match_type == 0) && ($lookupArrayValue == $lookup_value)) {
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// exact match
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return ++$i;
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} elseif (($match_type == -1) && ($lookupArrayValue <= $lookup_value)) {
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// echo '$i = '.$i.' => ';
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// var_dump($lookupArrayValue);
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// echo '<br />';
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// echo 'Keyset = ';
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// var_dump($keySet);
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// echo '<br />';
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$i = array_search($i,$keySet);
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// echo '$i='.$i.'<br />';
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// if match_type is -1 <=> find the smallest value that is greater than or equal to lookup_value
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if ($i < 1){
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// 1st cell was allready smaller than the lookup_value
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break;
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} else {
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// the previous cell was the match
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return $keySet[$i-1]+1;
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}
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} elseif (($match_type == 1) && ($lookupArrayValue >= $lookup_value)) {
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// echo '$i = '.$i.' => ';
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// var_dump($lookupArrayValue);
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// echo '<br />';
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// echo 'Keyset = ';
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// var_dump($keySet);
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// echo '<br />';
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$i = array_search($i,$keySet);
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// echo '$i='.$i.'<br />';
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// if match_type is 1 <=> find the largest value that is less than or equal to lookup_value
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if ($i < 1){
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// 1st cell was allready bigger than the lookup_value
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break;
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} else {
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// the previous cell was the match
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return $keySet[$i-1]+1;
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}
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}
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}
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// unsuccessful in finding a match, return #N/A error value
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return PHPExcel_Calculation_Functions::NA();
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} // function MATCH()
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/**
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* INDEX
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*
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* Uses an index to choose a value from a reference or array
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*
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* Excel Function:
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* =INDEX(range_array, row_num, [column_num])
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*
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* @param range_array A range of cells or an array constant
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* @param row_num The row in array from which to return a value. If row_num is omitted, column_num is required.
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* @param column_num The column in array from which to return a value. If column_num is omitted, row_num is required.
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* @return mixed the value of a specified cell or array of cells
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*/
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public static function INDEX($arrayValues,$rowNum = 0,$columnNum = 0) {
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if (($rowNum < 0) || ($columnNum < 0)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if (!is_array($arrayValues)) {
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return PHPExcel_Calculation_Functions::REF();
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}
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$rowKeys = array_keys($arrayValues);
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$columnKeys = @array_keys($arrayValues[$rowKeys[0]]);
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if ($columnNum > count($columnKeys)) {
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return PHPExcel_Calculation_Functions::VALUE();
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} elseif ($columnNum == 0) {
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if ($rowNum == 0) {
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return $arrayValues;
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}
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$rowNum = $rowKeys[--$rowNum];
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$returnArray = array();
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foreach($arrayValues as $arrayColumn) {
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if (is_array($arrayColumn)) {
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if (isset($arrayColumn[$rowNum])) {
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$returnArray[] = $arrayColumn[$rowNum];
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} else {
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return $arrayValues[$rowNum];
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}
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} else {
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return $arrayValues[$rowNum];
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}
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}
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return $returnArray;
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}
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$columnNum = $columnKeys[--$columnNum];
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if ($rowNum > count($rowKeys)) {
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return PHPExcel_Calculation_Functions::VALUE();
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} elseif ($rowNum == 0) {
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return $arrayValues[$columnNum];
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}
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$rowNum = $rowKeys[--$rowNum];
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return $arrayValues[$rowNum][$columnNum];
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} // function INDEX()
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/**
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* TRANSPOSE
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*
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* @param array $matrixData A matrix of values
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* @return array
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*
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* Unlike the Excel TRANSPOSE function, which will only work on a single row or column, this function will transpose a full matrix.
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*/
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public static function TRANSPOSE($matrixData) {
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$returnMatrix = array();
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if (!is_array($matrixData)) { $matrixData = array(array($matrixData)); }
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$column = 0;
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foreach($matrixData as $matrixRow) {
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$row = 0;
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foreach($matrixRow as $matrixCell) {
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$returnMatrix[$row][$column] = $matrixCell;
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++$row;
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}
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++$column;
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}
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return $returnMatrix;
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} // function TRANSPOSE()
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private static function _vlookupSort($a,$b) {
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$f = array_keys($a);
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$firstColumn = array_shift($f);
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if (strtolower($a[$firstColumn]) == strtolower($b[$firstColumn])) {
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return 0;
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}
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return (strtolower($a[$firstColumn]) < strtolower($b[$firstColumn])) ? -1 : 1;
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} // function _vlookupSort()
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/**
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* VLOOKUP
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* The VLOOKUP function searches for value in the left-most column of lookup_array and returns the value in the same row based on the index_number.
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* @param lookup_value The value that you want to match in lookup_array
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* @param lookup_array The range of cells being searched
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* @param index_number The column number in table_array from which the matching value must be returned. The first column is 1.
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* @param not_exact_match Determines if you are looking for an exact match based on lookup_value.
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* @return mixed The value of the found cell
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*/
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public static function VLOOKUP($lookup_value, $lookup_array, $index_number, $not_exact_match=true) {
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$lookup_value = PHPExcel_Calculation_Functions::flattenSingleValue($lookup_value);
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$index_number = PHPExcel_Calculation_Functions::flattenSingleValue($index_number);
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$not_exact_match = PHPExcel_Calculation_Functions::flattenSingleValue($not_exact_match);
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// index_number must be greater than or equal to 1
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if ($index_number < 1) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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// index_number must be less than or equal to the number of columns in lookup_array
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if ((!is_array($lookup_array)) || (empty($lookup_array))) {
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return PHPExcel_Calculation_Functions::REF();
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} else {
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$f = array_keys($lookup_array);
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$firstRow = array_pop($f);
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if ((!is_array($lookup_array[$firstRow])) || ($index_number > count($lookup_array[$firstRow]))) {
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return PHPExcel_Calculation_Functions::REF();
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} else {
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$columnKeys = array_keys($lookup_array[$firstRow]);
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$returnColumn = $columnKeys[--$index_number];
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$firstColumn = array_shift($columnKeys);
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}
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}
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if (!$not_exact_match) {
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uasort($lookup_array,array('self','_vlookupSort'));
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}
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$rowNumber = $rowValue = False;
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foreach($lookup_array as $rowKey => $rowData) {
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if (strtolower($rowData[$firstColumn]) > strtolower($lookup_value)) {
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break;
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}
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$rowNumber = $rowKey;
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$rowValue = $rowData[$firstColumn];
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}
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if ($rowNumber !== false) {
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if ((!$not_exact_match) && ($rowValue != $lookup_value)) {
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// if an exact match is required, we have what we need to return an appropriate response
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return PHPExcel_Calculation_Functions::NA();
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} else {
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// otherwise return the appropriate value
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return $lookup_array[$rowNumber][$returnColumn];
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}
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}
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return PHPExcel_Calculation_Functions::NA();
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} // function VLOOKUP()
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/**
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* LOOKUP
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* The LOOKUP function searches for value either from a one-row or one-column range or from an array.
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* @param lookup_value The value that you want to match in lookup_array
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* @param lookup_vector The range of cells being searched
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* @param result_vector The column from which the matching value must be returned
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* @return mixed The value of the found cell
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*/
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public static function LOOKUP($lookup_value, $lookup_vector, $result_vector=null) {
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$lookup_value = PHPExcel_Calculation_Functions::flattenSingleValue($lookup_value);
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if (!is_array($lookup_vector)) {
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return PHPExcel_Calculation_Functions::NA();
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}
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$lookupRows = count($lookup_vector);
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$l = array_keys($lookup_vector);
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$l = array_shift($l);
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$lookupColumns = count($lookup_vector[$l]);
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if ((($lookupRows == 1) && ($lookupColumns > 1)) || (($lookupRows == 2) && ($lookupColumns != 2))) {
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$lookup_vector = self::TRANSPOSE($lookup_vector);
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$lookupRows = count($lookup_vector);
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$l = array_keys($lookup_vector);
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$lookupColumns = count($lookup_vector[array_shift($l)]);
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}
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if (is_null($result_vector)) {
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$result_vector = $lookup_vector;
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}
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$resultRows = count($result_vector);
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$l = array_keys($result_vector);
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$l = array_shift($l);
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$resultColumns = count($result_vector[$l]);
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if ((($resultRows == 1) && ($resultColumns > 1)) || (($resultRows == 2) && ($resultColumns != 2))) {
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$result_vector = self::TRANSPOSE($result_vector);
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$resultRows = count($result_vector);
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$r = array_keys($result_vector);
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$resultColumns = count($result_vector[array_shift($r)]);
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}
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if ($lookupRows == 2) {
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$result_vector = array_pop($lookup_vector);
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$lookup_vector = array_shift($lookup_vector);
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}
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if ($lookupColumns != 2) {
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foreach($lookup_vector as &$value) {
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if (is_array($value)) {
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$k = array_keys($value);
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$key1 = $key2 = array_shift($k);
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$key2++;
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$dataValue1 = $value[$key1];
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} else {
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$key1 = 0;
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$key2 = 1;
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$dataValue1 = $value;
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}
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$dataValue2 = array_shift($result_vector);
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if (is_array($dataValue2)) {
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$dataValue2 = array_shift($dataValue2);
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}
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$value = array($key1 => $dataValue1, $key2 => $dataValue2);
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}
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unset($value);
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}
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return self::VLOOKUP($lookup_value,$lookup_vector,2);
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} // function LOOKUP()
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} // class PHPExcel_Calculation_LookupRef
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