| <?php | 
| /** | 
|  * PHPExcel | 
|  * | 
|  * Copyright (c) 2006 - 2012 PHPExcel | 
|  * | 
|  * This library is free software; you can redistribute it and/or | 
|  * modify it under the terms of the GNU Lesser General Public | 
|  * License as published by the Free Software Foundation; either | 
|  * version 2.1 of the License, or (at your option) any later version. | 
|  * | 
|  * This library is distributed in the hope that it will be useful, | 
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  * Lesser General Public License for more details. | 
|  * | 
|  * You should have received a copy of the GNU Lesser General Public | 
|  * License along with this library; if not, write to the Free Software | 
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA | 
|  * | 
|  * @category   PHPExcel | 
|  * @package    PHPExcel | 
|  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel) | 
|  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL | 
|  * @version    1.7.7, 2012-05-19 | 
|  */ | 
|   | 
|   | 
| /** | 
|  * PHPExcel_ReferenceHelper (Singleton) | 
|  * | 
|  * @category   PHPExcel | 
|  * @package    PHPExcel | 
|  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel) | 
|  */ | 
| class PHPExcel_ReferenceHelper | 
| { | 
|     /**    Constants                */ | 
|     /**    Regular Expressions        */ | 
|     const REFHELPER_REGEXP_CELLREF        = '((\w*|\'[^!]*\')!)?(?<![:a-z\$])(\$?[a-z]{1,3}\$?\d+)(?=[^:!\d\'])'; | 
|     const REFHELPER_REGEXP_CELLRANGE    = '((\w*|\'[^!]*\')!)?(\$?[a-z]{1,3}\$?\d+):(\$?[a-z]{1,3}\$?\d+)'; | 
|     const REFHELPER_REGEXP_ROWRANGE        = '((\w*|\'[^!]*\')!)?(\$?\d+):(\$?\d+)'; | 
|     const REFHELPER_REGEXP_COLRANGE        = '((\w*|\'[^!]*\')!)?(\$?[a-z]{1,3}):(\$?[a-z]{1,3})'; | 
|   | 
|     /** | 
|      * Instance of this class | 
|      * | 
|      * @var PHPExcel_ReferenceHelper | 
|      */ | 
|     private static $_instance; | 
|   | 
|     /** | 
|      * Get an instance of this class | 
|      * | 
|      * @return PHPExcel_ReferenceHelper | 
|      */ | 
|     public static function getInstance() { | 
|         if (!isset(self::$_instance) || (self::$_instance === NULL)) { | 
|             self::$_instance = new PHPExcel_ReferenceHelper(); | 
|         } | 
|   | 
|         return self::$_instance; | 
|     } | 
|   | 
|     /** | 
|      * Create a new PHPExcel_ReferenceHelper | 
|      */ | 
|     protected function __construct() { | 
|     } | 
|   | 
|     /** | 
|      * Insert a new column, updating all possible related data | 
|      * | 
|      * @param    int    $pBefore    Insert before this one | 
|      * @param    int    $pNumCols    Number of columns to insert | 
|      * @param    int    $pNumRows    Number of rows to insert | 
|      * @throws    Exception | 
|      */ | 
|     public function insertNewBefore($pBefore = 'A1', $pNumCols = 0, $pNumRows = 0, PHPExcel_Worksheet $pSheet = null) { | 
|         $aCellCollection = $pSheet->getCellCollection(); | 
|   | 
|         // Get coordinates of $pBefore | 
|         $beforeColumn    = 'A'; | 
|         $beforeRow        = 1; | 
|         list($beforeColumn, $beforeRow) = PHPExcel_Cell::coordinateFromString( $pBefore ); | 
|   | 
|   | 
|         // Clear cells if we are removing columns or rows | 
|         $highestColumn    = $pSheet->getHighestColumn(); | 
|         $highestRow    = $pSheet->getHighestRow(); | 
|   | 
|         // 1. Clear column strips if we are removing columns | 
|         if ($pNumCols < 0 && PHPExcel_Cell::columnIndexFromString($beforeColumn) - 2 + $pNumCols > 0) { | 
|             for ($i = 1; $i <= $highestRow - 1; ++$i) { | 
|                 for ($j = PHPExcel_Cell::columnIndexFromString($beforeColumn) - 1 + $pNumCols; $j <= PHPExcel_Cell::columnIndexFromString($beforeColumn) - 2; ++$j) { | 
|                     $coordinate = PHPExcel_Cell::stringFromColumnIndex($j) . $i; | 
|                     $pSheet->removeConditionalStyles($coordinate); | 
|                     if ($pSheet->cellExists($coordinate)) { | 
|                         $pSheet->getCell($coordinate)->setValueExplicit('', PHPExcel_Cell_DataType::TYPE_NULL); | 
|                         $pSheet->getCell($coordinate)->setXfIndex(0); | 
|                     } | 
|                 } | 
|             } | 
|         } | 
|   | 
|         // 2. Clear row strips if we are removing rows | 
|         if ($pNumRows < 0 && $beforeRow - 1 + $pNumRows > 0) { | 
|             for ($i = PHPExcel_Cell::columnIndexFromString($beforeColumn) - 1; $i <= PHPExcel_Cell::columnIndexFromString($highestColumn) - 1; ++$i) { | 
|                 for ($j = $beforeRow + $pNumRows; $j <= $beforeRow - 1; ++$j) { | 
|                     $coordinate = PHPExcel_Cell::stringFromColumnIndex($i) . $j; | 
|                     $pSheet->removeConditionalStyles($coordinate); | 
|                     if ($pSheet->cellExists($coordinate)) { | 
|                         $pSheet->getCell($coordinate)->setValueExplicit('', PHPExcel_Cell_DataType::TYPE_NULL); | 
|                         $pSheet->getCell($coordinate)->setXfIndex(0); | 
|                     } | 
|                 } | 
|             } | 
|         } | 
|   | 
|   | 
|         // Loop through cells, bottom-up, and change cell coordinates | 
|         while (($cellID = ($pNumCols < 0 || $pNumRows < 0) ? array_shift($aCellCollection) : array_pop($aCellCollection))) { | 
|             $cell = $pSheet->getCell($cellID); | 
|   | 
|             // New coordinates | 
|             $newCoordinates = PHPExcel_Cell::stringFromColumnIndex( PHPExcel_Cell::columnIndexFromString($cell->getColumn()) - 1 + $pNumCols ) . ($cell->getRow() + $pNumRows); | 
|   | 
|             // Should the cell be updated? Move value and cellXf index from one cell to another. | 
|             if ((PHPExcel_Cell::columnIndexFromString( $cell->getColumn() ) >= PHPExcel_Cell::columnIndexFromString($beforeColumn)) && | 
|                 ($cell->getRow() >= $beforeRow)) { | 
|   | 
|                 // Update cell styles | 
|                 $pSheet->getCell($newCoordinates)->setXfIndex($cell->getXfIndex()); | 
|                 $cell->setXfIndex(0); | 
|   | 
|                 // Insert this cell at its new location | 
|                 if ($cell->getDataType() == PHPExcel_Cell_DataType::TYPE_FORMULA) { | 
|                     // Formula should be adjusted | 
|                     $pSheet->getCell($newCoordinates) | 
|                            ->setValue($this->updateFormulaReferences($cell->getValue(), | 
|                                                $pBefore, $pNumCols, $pNumRows, $pSheet->getTitle())); | 
|                 } else { | 
|                     // Formula should not be adjusted | 
|                     $pSheet->getCell($newCoordinates)->setValue($cell->getValue()); | 
|                 } | 
|   | 
|                 // Clear the original cell | 
|                 $pSheet->getCell($cell->getCoordinate())->setValue(''); | 
|   | 
|             } else { | 
|                 /*    We don't need to update styles for rows/columns before our insertion position, | 
|                         but we do still need to adjust any formulae    in those cells                    */ | 
|                 if ($cell->getDataType() == PHPExcel_Cell_DataType::TYPE_FORMULA) { | 
|                     // Formula should be adjusted | 
|                     $cell->setValue($this->updateFormulaReferences($cell->getValue(), | 
|                                         $pBefore, $pNumCols, $pNumRows, $pSheet->getTitle())); | 
|                 } | 
|   | 
|             } | 
|         } | 
|   | 
|   | 
|         // Duplicate styles for the newly inserted cells | 
|         $highestColumn    = $pSheet->getHighestColumn(); | 
|         $highestRow    = $pSheet->getHighestRow(); | 
|   | 
|         if ($pNumCols > 0 && PHPExcel_Cell::columnIndexFromString($beforeColumn) - 2 > 0) { | 
|             for ($i = $beforeRow; $i <= $highestRow - 1; ++$i) { | 
|   | 
|                 // Style | 
|                 $coordinate = PHPExcel_Cell::stringFromColumnIndex( PHPExcel_Cell::columnIndexFromString($beforeColumn) - 2 ) . $i; | 
|                 if ($pSheet->cellExists($coordinate)) { | 
|                     $xfIndex = $pSheet->getCell($coordinate)->getXfIndex(); | 
|                     $conditionalStyles = $pSheet->conditionalStylesExists($coordinate) ? | 
|                         $pSheet->getConditionalStyles($coordinate) : false; | 
|                     for ($j = PHPExcel_Cell::columnIndexFromString($beforeColumn) - 1; $j <= PHPExcel_Cell::columnIndexFromString($beforeColumn) - 2 + $pNumCols; ++$j) { | 
|                         $pSheet->getCellByColumnAndRow($j, $i)->setXfIndex($xfIndex); | 
|                         if ($conditionalStyles) { | 
|                             $cloned = array(); | 
|                             foreach ($conditionalStyles as $conditionalStyle) { | 
|                                 $cloned[] = clone $conditionalStyle; | 
|                             } | 
|                             $pSheet->setConditionalStyles(PHPExcel_Cell::stringFromColumnIndex($j) . $i, $cloned); | 
|                         } | 
|                     } | 
|                 } | 
|   | 
|             } | 
|         } | 
|   | 
|         if ($pNumRows > 0 && $beforeRow - 1 > 0) { | 
|             for ($i = PHPExcel_Cell::columnIndexFromString($beforeColumn) - 1; $i <= PHPExcel_Cell::columnIndexFromString($highestColumn) - 1; ++$i) { | 
|   | 
|                 // Style | 
|                 $coordinate = PHPExcel_Cell::stringFromColumnIndex($i) . ($beforeRow - 1); | 
|                 if ($pSheet->cellExists($coordinate)) { | 
|                     $xfIndex = $pSheet->getCell($coordinate)->getXfIndex(); | 
|                     $conditionalStyles = $pSheet->conditionalStylesExists($coordinate) ? | 
|                         $pSheet->getConditionalStyles($coordinate) : false; | 
|                     for ($j = $beforeRow; $j <= $beforeRow - 1 + $pNumRows; ++$j) { | 
|                         $pSheet->getCell(PHPExcel_Cell::stringFromColumnIndex($i) . $j)->setXfIndex($xfIndex); | 
|                         if ($conditionalStyles) { | 
|                             $cloned = array(); | 
|                             foreach ($conditionalStyles as $conditionalStyle) { | 
|                                 $cloned[] = clone $conditionalStyle; | 
|                             } | 
|                             $pSheet->setConditionalStyles(PHPExcel_Cell::stringFromColumnIndex($i) . $j, $cloned); | 
|                         } | 
|                     } | 
|                 } | 
|             } | 
|         } | 
|   | 
|   | 
|         // Update worksheet: column dimensions | 
|         $aColumnDimensions = array_reverse($pSheet->getColumnDimensions(), true); | 
|         if (!empty($aColumnDimensions)) { | 
|             foreach ($aColumnDimensions as $objColumnDimension) { | 
|                 $newReference = $this->updateCellReference($objColumnDimension->getColumnIndex() . '1', $pBefore, $pNumCols, $pNumRows); | 
|                 list($newReference) = PHPExcel_Cell::coordinateFromString($newReference); | 
|                 if ($objColumnDimension->getColumnIndex() != $newReference) { | 
|                     $objColumnDimension->setColumnIndex($newReference); | 
|                 } | 
|             } | 
|             $pSheet->refreshColumnDimensions(); | 
|         } | 
|   | 
|   | 
|         // Update worksheet: row dimensions | 
|         $aRowDimensions = array_reverse($pSheet->getRowDimensions(), true); | 
|         if (!empty($aRowDimensions)) { | 
|             foreach ($aRowDimensions as $objRowDimension) { | 
|                 $newReference = $this->updateCellReference('A' . $objRowDimension->getRowIndex(), $pBefore, $pNumCols, $pNumRows); | 
|                 list(, $newReference) = PHPExcel_Cell::coordinateFromString($newReference); | 
|                 if ($objRowDimension->getRowIndex() != $newReference) { | 
|                     $objRowDimension->setRowIndex($newReference); | 
|                 } | 
|             } | 
|             $pSheet->refreshRowDimensions(); | 
|   | 
|             $copyDimension = $pSheet->getRowDimension($beforeRow - 1); | 
|             for ($i = $beforeRow; $i <= $beforeRow - 1 + $pNumRows; ++$i) { | 
|                 $newDimension = $pSheet->getRowDimension($i); | 
|                 $newDimension->setRowHeight($copyDimension->getRowHeight()); | 
|                 $newDimension->setVisible($copyDimension->getVisible()); | 
|                 $newDimension->setOutlineLevel($copyDimension->getOutlineLevel()); | 
|                 $newDimension->setCollapsed($copyDimension->getCollapsed()); | 
|             } | 
|         } | 
|   | 
|   | 
|         // Update worksheet: breaks | 
|         $aBreaks = array_reverse($pSheet->getBreaks(), true); | 
|         foreach ($aBreaks as $key => $value) { | 
|             $newReference = $this->updateCellReference($key, $pBefore, $pNumCols, $pNumRows); | 
|             if ($key != $newReference) { | 
|                 $pSheet->setBreak( $newReference, $value ); | 
|                 $pSheet->setBreak( $key, PHPExcel_Worksheet::BREAK_NONE ); | 
|             } | 
|         } | 
|   | 
|         // Update worksheet: comments | 
|         $aComments = $pSheet->getComments(); | 
|         $aNewComments = array(); // the new array of all comments | 
|         foreach ($aComments as $key => &$value) { | 
|             $newReference = $this->updateCellReference($key, $pBefore, $pNumCols, $pNumRows); | 
|             $aNewComments[$newReference] = $value; | 
|         } | 
|         $pSheet->setComments($aNewComments); // replace the comments array | 
|   | 
|         // Update worksheet: hyperlinks | 
|         $aHyperlinkCollection = array_reverse($pSheet->getHyperlinkCollection(), true); | 
|         foreach ($aHyperlinkCollection as $key => $value) { | 
|             $newReference = $this->updateCellReference($key, $pBefore, $pNumCols, $pNumRows); | 
|             if ($key != $newReference) { | 
|                 $pSheet->setHyperlink( $newReference, $value ); | 
|                 $pSheet->setHyperlink( $key, null ); | 
|             } | 
|         } | 
|   | 
|   | 
|         // Update worksheet: data validations | 
|         $aDataValidationCollection = array_reverse($pSheet->getDataValidationCollection(), true); | 
|         foreach ($aDataValidationCollection as $key => $value) { | 
|             $newReference = $this->updateCellReference($key, $pBefore, $pNumCols, $pNumRows); | 
|             if ($key != $newReference) { | 
|                 $pSheet->setDataValidation( $newReference, $value ); | 
|                 $pSheet->setDataValidation( $key, null ); | 
|             } | 
|         } | 
|   | 
|   | 
|         // Update worksheet: merge cells | 
|         $aMergeCells = $pSheet->getMergeCells(); | 
|         $aNewMergeCells = array(); // the new array of all merge cells | 
|         foreach ($aMergeCells as $key => &$value) { | 
|             $newReference = $this->updateCellReference($key, $pBefore, $pNumCols, $pNumRows); | 
|             $aNewMergeCells[$newReference] = $newReference; | 
|         } | 
|         $pSheet->setMergeCells($aNewMergeCells); // replace the merge cells array | 
|   | 
|   | 
|         // Update worksheet: protected cells | 
|         $aProtectedCells = array_reverse($pSheet->getProtectedCells(), true); | 
|         foreach ($aProtectedCells as $key => $value) { | 
|             $newReference = $this->updateCellReference($key, $pBefore, $pNumCols, $pNumRows); | 
|             if ($key != $newReference) { | 
|                 $pSheet->protectCells( $newReference, $value, true ); | 
|                 $pSheet->unprotectCells( $key ); | 
|             } | 
|         } | 
|   | 
|   | 
|         // Update worksheet: autofilter | 
|         if ($pSheet->getAutoFilter() != '') { | 
|             $pSheet->setAutoFilter( $this->updateCellReference($pSheet->getAutoFilter(), $pBefore, $pNumCols, $pNumRows) ); | 
|         } | 
|   | 
|   | 
|         // Update worksheet: freeze pane | 
|         if ($pSheet->getFreezePane() != '') { | 
|             $pSheet->freezePane( $this->updateCellReference($pSheet->getFreezePane(), $pBefore, $pNumCols, $pNumRows) ); | 
|         } | 
|   | 
|   | 
|         // Page setup | 
|         if ($pSheet->getPageSetup()->isPrintAreaSet()) { | 
|             $pSheet->getPageSetup()->setPrintArea( $this->updateCellReference($pSheet->getPageSetup()->getPrintArea(), $pBefore, $pNumCols, $pNumRows) ); | 
|         } | 
|   | 
|   | 
|         // Update worksheet: drawings | 
|         $aDrawings = $pSheet->getDrawingCollection(); | 
|         foreach ($aDrawings as $objDrawing) { | 
|             $newReference = $this->updateCellReference($objDrawing->getCoordinates(), $pBefore, $pNumCols, $pNumRows); | 
|             if ($objDrawing->getCoordinates() != $newReference) { | 
|                 $objDrawing->setCoordinates($newReference); | 
|             } | 
|         } | 
|   | 
|   | 
|         // Update workbook: named ranges | 
|         if (count($pSheet->getParent()->getNamedRanges()) > 0) { | 
|             foreach ($pSheet->getParent()->getNamedRanges() as $namedRange) { | 
|                 if ($namedRange->getWorksheet()->getHashCode() == $pSheet->getHashCode()) { | 
|                     $namedRange->setRange( | 
|                         $this->updateCellReference($namedRange->getRange(), $pBefore, $pNumCols, $pNumRows) | 
|                     ); | 
|                 } | 
|             } | 
|         } | 
|   | 
|         // Garbage collect | 
|         $pSheet->garbageCollect(); | 
|     } | 
|   | 
|     /** | 
|      * Update references within formulas | 
|      * | 
|      * @param    string    $pFormula    Formula to update | 
|      * @param    int        $pBefore    Insert before this one | 
|      * @param    int        $pNumCols    Number of columns to insert | 
|      * @param    int        $pNumRows    Number of rows to insert | 
|      * @return    string    Updated formula | 
|      * @throws    Exception | 
|      */ | 
|     public function updateFormulaReferences($pFormula = '', $pBefore = 'A1', $pNumCols = 0, $pNumRows = 0, $sheetName = '') { | 
|         //    Update cell references in the formula | 
|         $formulaBlocks = explode('"',$pFormula); | 
|         $i = false; | 
|         foreach($formulaBlocks as &$formulaBlock) { | 
|             //    Ignore blocks that were enclosed in quotes (alternating entries in the $formulaBlocks array after the explode) | 
|             if ($i = !$i) { | 
|                 $adjustCount = 0; | 
|                 $newCellTokens = $cellTokens = array(); | 
|                 //    Search for row ranges (e.g. 'Sheet1'!3:5 or 3:5) with or without $ absolutes (e.g. $3:5) | 
|                 $matchCount = preg_match_all('/'.self::REFHELPER_REGEXP_ROWRANGE.'/i', ' '.$formulaBlock.' ', $matches, PREG_SET_ORDER); | 
|                 if ($matchCount > 0) { | 
|                     foreach($matches as $match) { | 
|                         $fromString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                         $fromString .= $match[3].':'.$match[4]; | 
|                         $modified3 = substr($this->updateCellReference('$A'.$match[3],$pBefore,$pNumCols,$pNumRows),2); | 
|                         $modified4 = substr($this->updateCellReference('$A'.$match[4],$pBefore,$pNumCols,$pNumRows),2); | 
|   | 
|                         if ($match[3].':'.$match[4] !== $modified3.':'.$modified4) { | 
|                             if (($match[2] == '') || (trim($match[2],"'") == $sheetName)) { | 
|                                 $toString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                                 $toString .= $modified3.':'.$modified4; | 
|                                 //    Max worksheet size is 1,048,576 rows by 16,384 columns in Excel 2007, so our adjustments need to be at least one digit more | 
|                                 $column = 100000; | 
|                                 $row = 10000000+trim($match[3],'$'); | 
|                                 $cellIndex = $column.$row; | 
|   | 
|                                 $newCellTokens[$cellIndex] = preg_quote($toString); | 
|                                 $cellTokens[$cellIndex] = '/(?<!\d)'.preg_quote($fromString).'(?!\d)/i'; | 
|                                 ++$adjustCount; | 
|                             } | 
|                         } | 
|                     } | 
|                 } | 
|                 //    Search for column ranges (e.g. 'Sheet1'!C:E or C:E) with or without $ absolutes (e.g. $C:E) | 
|                 $matchCount = preg_match_all('/'.self::REFHELPER_REGEXP_COLRANGE.'/i', ' '.$formulaBlock.' ', $matches, PREG_SET_ORDER); | 
|                 if ($matchCount > 0) { | 
|                     foreach($matches as $match) { | 
|                         $fromString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                         $fromString .= $match[3].':'.$match[4]; | 
|                         $modified3 = substr($this->updateCellReference($match[3].'$1',$pBefore,$pNumCols,$pNumRows),0,-2); | 
|                         $modified4 = substr($this->updateCellReference($match[4].'$1',$pBefore,$pNumCols,$pNumRows),0,-2); | 
|   | 
|                         if ($match[3].':'.$match[4] !== $modified3.':'.$modified4) { | 
|                             if (($match[2] == '') || (trim($match[2],"'") == $sheetName)) { | 
|                                 $toString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                                 $toString .= $modified3.':'.$modified4; | 
|                                 //    Max worksheet size is 1,048,576 rows by 16,384 columns in Excel 2007, so our adjustments need to be at least one digit more | 
|                                 $column = PHPExcel_Cell::columnIndexFromString(trim($match[3],'$')) + 100000; | 
|                                 $row = 10000000; | 
|                                 $cellIndex = $column.$row; | 
|   | 
|                                 $newCellTokens[$cellIndex] = preg_quote($toString); | 
|                                 $cellTokens[$cellIndex] = '/(?<![A-Z])'.preg_quote($fromString).'(?![A-Z])/i'; | 
|                                 ++$adjustCount; | 
|                             } | 
|                         } | 
|                     } | 
|                 } | 
|                 //    Search for cell ranges (e.g. 'Sheet1'!A3:C5 or A3:C5) with or without $ absolutes (e.g. $A1:C$5) | 
|                 $matchCount = preg_match_all('/'.self::REFHELPER_REGEXP_CELLRANGE.'/i', ' '.$formulaBlock.' ', $matches, PREG_SET_ORDER); | 
|                 if ($matchCount > 0) { | 
|                     foreach($matches as $match) { | 
|                         $fromString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                         $fromString .= $match[3].':'.$match[4]; | 
|                         $modified3 = $this->updateCellReference($match[3],$pBefore,$pNumCols,$pNumRows); | 
|                         $modified4 = $this->updateCellReference($match[4],$pBefore,$pNumCols,$pNumRows); | 
|   | 
|                         if ($match[3].$match[4] !== $modified3.$modified4) { | 
|                             if (($match[2] == '') || (trim($match[2],"'") == $sheetName)) { | 
|                                 $toString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                                 $toString .= $modified3.':'.$modified4; | 
|                                 list($column,$row) = PHPExcel_Cell::coordinateFromString($match[3]); | 
|                                 //    Max worksheet size is 1,048,576 rows by 16,384 columns in Excel 2007, so our adjustments need to be at least one digit more | 
|                                 $column = PHPExcel_Cell::columnIndexFromString(trim($column,'$')) + 100000; | 
|                                 $row = trim($row,'$') + 10000000; | 
|                                 $cellIndex = $column.$row; | 
|   | 
|                                 $newCellTokens[$cellIndex] = preg_quote($toString); | 
|                                 $cellTokens[$cellIndex] = '/(?<![A-Z])'.preg_quote($fromString).'(?!\d)/i'; | 
|                                 ++$adjustCount; | 
|                             } | 
|                         } | 
|                     } | 
|                 } | 
|                 //    Search for cell references (e.g. 'Sheet1'!A3 or C5) with or without $ absolutes (e.g. $A1 or C$5) | 
|                 $matchCount = preg_match_all('/'.self::REFHELPER_REGEXP_CELLREF.'/i', ' '.$formulaBlock.' ', $matches, PREG_SET_ORDER); | 
|                 if ($matchCount > 0) { | 
|                     foreach($matches as $match) { | 
|                         $fromString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                         $fromString .= $match[3]; | 
|                         $modified3 = $this->updateCellReference($match[3],$pBefore,$pNumCols,$pNumRows); | 
|   | 
|                         if ($match[3] !== $modified3) { | 
|                             if (($match[2] == '') || (trim($match[2],"'") == $sheetName)) { | 
|                                 $toString = ($match[2] > '') ? $match[2].'!' : ''; | 
|                                 $toString .= $modified3; | 
|                                 list($column,$row) = PHPExcel_Cell::coordinateFromString($match[3]); | 
|                                 //    Max worksheet size is 1,048,576 rows by 16,384 columns in Excel 2007, so our adjustments need to be at least one digit more | 
|                                 $column = PHPExcel_Cell::columnIndexFromString(trim($column,'$')) + 100000; | 
|                                 $row = trim($row,'$') + 10000000; | 
|                                 $cellIndex = $column.$row; | 
|   | 
|                                 $newCellTokens[$cellIndex] = preg_quote($toString); | 
|                                 $cellTokens[$cellIndex] = '/(?<![A-Z])'.preg_quote($fromString).'(?!\d)/i'; | 
|                                 ++$adjustCount; | 
|                             } | 
|                         } | 
|                     } | 
|                 } | 
|                 if ($adjustCount > 0) { | 
|                     krsort($cellTokens); | 
|                     krsort($newCellTokens); | 
|                     //    Update cell references in the formula | 
|                     $formulaBlock = str_replace('\\','',preg_replace($cellTokens,$newCellTokens,$formulaBlock)); | 
|                 } | 
|             } | 
|         } | 
|         unset($formulaBlock); | 
|   | 
|         //    Then rebuild the formula string | 
|         return implode('"',$formulaBlocks); | 
|     } | 
|   | 
|     /** | 
|      * Update cell reference | 
|      * | 
|      * @param    string    $pCellRange            Cell range | 
|      * @param    int        $pBefore            Insert before this one | 
|      * @param    int        $pNumCols            Number of columns to increment | 
|      * @param    int        $pNumRows            Number of rows to increment | 
|      * @return    string    Updated cell range | 
|      * @throws    Exception | 
|      */ | 
|     public function updateCellReference($pCellRange = 'A1', $pBefore = 'A1', $pNumCols = 0, $pNumRows = 0) { | 
|         // Is it in another worksheet? Will not have to update anything. | 
|         if (strpos($pCellRange, "!") !== false) { | 
|             return $pCellRange; | 
|         // Is it a range or a single cell? | 
|         } elseif (strpos($pCellRange, ':') === false && strpos($pCellRange, ',') === false) { | 
|             // Single cell | 
|             return $this->_updateSingleCellReference($pCellRange, $pBefore, $pNumCols, $pNumRows); | 
|         } elseif (strpos($pCellRange, ':') !== false || strpos($pCellRange, ',') !== false) { | 
|             // Range | 
|             return $this->_updateCellRange($pCellRange, $pBefore, $pNumCols, $pNumRows); | 
|         } else { | 
|             // Return original | 
|             return $pCellRange; | 
|         } | 
|     } | 
|   | 
|     /** | 
|      * Update named formulas (i.e. containing worksheet references / named ranges) | 
|      * | 
|      * @param PHPExcel $pPhpExcel    Object to update | 
|      * @param string $oldName        Old name (name to replace) | 
|      * @param string $newName        New name | 
|      */ | 
|     public function updateNamedFormulas(PHPExcel $pPhpExcel, $oldName = '', $newName = '') { | 
|         if ($oldName == '') { | 
|             return; | 
|         } | 
|   | 
|         foreach ($pPhpExcel->getWorksheetIterator() as $sheet) { | 
|             foreach ($sheet->getCellCollection(false) as $cellID) { | 
|                 $cell = $sheet->getCell($cellID); | 
|                 if (($cell !== NULL) && ($cell->getDataType() == PHPExcel_Cell_DataType::TYPE_FORMULA)) { | 
|                     $formula = $cell->getValue(); | 
|                     if (strpos($formula, $oldName) !== false) { | 
|                         $formula = str_replace("'" . $oldName . "'!", "'" . $newName . "'!", $formula); | 
|                         $formula = str_replace($oldName . "!", $newName . "!", $formula); | 
|                         $cell->setValueExplicit($formula, PHPExcel_Cell_DataType::TYPE_FORMULA); | 
|                     } | 
|                 } | 
|             } | 
|         } | 
|     } | 
|   | 
|     /** | 
|      * Update cell range | 
|      * | 
|      * @param    string    $pCellRange            Cell range    (e.g. 'B2:D4', 'B:C' or '2:3') | 
|      * @param    int        $pBefore            Insert before this one | 
|      * @param    int        $pNumCols            Number of columns to increment | 
|      * @param    int        $pNumRows            Number of rows to increment | 
|      * @return    string    Updated cell range | 
|      * @throws    Exception | 
|      */ | 
|     private function _updateCellRange($pCellRange = 'A1:A1', $pBefore = 'A1', $pNumCols = 0, $pNumRows = 0) { | 
|         if (strpos($pCellRange,':') !== false || strpos($pCellRange, ',') !== false) { | 
|             // Update range | 
|             $range = PHPExcel_Cell::splitRange($pCellRange); | 
|             $ic = count($range); | 
|             for ($i = 0; $i < $ic; ++$i) { | 
|                 $jc = count($range[$i]); | 
|                 for ($j = 0; $j < $jc; ++$j) { | 
|                     if (ctype_alpha($range[$i][$j])) { | 
|                         $r = PHPExcel_Cell::coordinateFromString($this->_updateSingleCellReference($range[$i][$j].'1', $pBefore, $pNumCols, $pNumRows)); | 
|                         $range[$i][$j] = $r[0]; | 
|                     } elseif(ctype_digit($range[$i][$j])) { | 
|                         $r = PHPExcel_Cell::coordinateFromString($this->_updateSingleCellReference('A'.$range[$i][$j], $pBefore, $pNumCols, $pNumRows)); | 
|                         $range[$i][$j] = $r[1]; | 
|                     } else { | 
|                         $range[$i][$j] = $this->_updateSingleCellReference($range[$i][$j], $pBefore, $pNumCols, $pNumRows); | 
|                     } | 
|                 } | 
|             } | 
|   | 
|             // Recreate range string | 
|             return PHPExcel_Cell::buildRange($range); | 
|         } else { | 
|             throw new Exception("Only cell ranges may be passed to this method."); | 
|         } | 
|     } | 
|   | 
|     /** | 
|      * Update single cell reference | 
|      * | 
|      * @param    string    $pCellReference        Single cell reference | 
|      * @param    int        $pBefore            Insert before this one | 
|      * @param    int        $pNumCols            Number of columns to increment | 
|      * @param    int        $pNumRows            Number of rows to increment | 
|      * @return    string    Updated cell reference | 
|      * @throws    Exception | 
|      */ | 
|     private function _updateSingleCellReference($pCellReference = 'A1', $pBefore = 'A1', $pNumCols = 0, $pNumRows = 0) { | 
|         if (strpos($pCellReference, ':') === false && strpos($pCellReference, ',') === false) { | 
|             // Get coordinates of $pBefore | 
|             list($beforeColumn, $beforeRow) = PHPExcel_Cell::coordinateFromString( $pBefore ); | 
|   | 
|             // Get coordinates of $pCellReference | 
|             list($newColumn, $newRow) = PHPExcel_Cell::coordinateFromString( $pCellReference ); | 
|   | 
|             // Verify which parts should be updated | 
|             $updateColumn = (($newColumn{0} != '$') && ($beforeColumn{0} != '$') && | 
|                              PHPExcel_Cell::columnIndexFromString($newColumn) >= PHPExcel_Cell::columnIndexFromString($beforeColumn)); | 
|   | 
|             $updateRow = (($newRow{0} != '$') && ($beforeRow{0} != '$') && | 
|                           $newRow >= $beforeRow); | 
|   | 
|             // Create new column reference | 
|             if ($updateColumn) { | 
|                 $newColumn    = PHPExcel_Cell::stringFromColumnIndex( PHPExcel_Cell::columnIndexFromString($newColumn) - 1 + $pNumCols ); | 
|             } | 
|   | 
|             // Create new row reference | 
|             if ($updateRow) { | 
|                 $newRow    = $newRow + $pNumRows; | 
|             } | 
|   | 
|             // Return new reference | 
|             return $newColumn . $newRow; | 
|         } else { | 
|             throw new Exception("Only single cell references may be passed to this method."); | 
|         } | 
|     } | 
|   | 
|     /** | 
|      * __clone implementation. Cloning should not be allowed in a Singleton! | 
|      * | 
|      * @throws    Exception | 
|      */ | 
|     public final function __clone() { | 
|         throw new Exception("Cloning a Singleton is not allowed!"); | 
|     } | 
| } |