<?php /** * PHPExcel * * Copyright (c) 2006 - 2014 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_Cell * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## */ /** * PHPExcel_Cell * * @category PHPExcel * @package PHPExcel_Cell * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) */ class PHPExcel_Cell { /** * Default range variable constant * * @var string */ const DEFAULT_RANGE = 'A1:A1'; /** * Value binder to use * * @var PHPExcel_Cell_IValueBinder */ private static $_valueBinder = NULL; /** * Value of the cell * * @var mixed */ private $_value; /** * Calculated value of the cell (used for caching) * This returns the value last calculated by MS Excel or whichever spreadsheet program was used to * create the original spreadsheet file. * Note that this value is not guaranteed to reflect the actual calculated value because it is * possible that auto-calculation was disabled in the original spreadsheet, and underlying data * values used by the formula have changed since it was last calculated. * * @var mixed */ private $_calculatedValue = NULL; /** * Type of the cell data * * @var string */ private $_dataType; /** * Parent worksheet * * @var PHPExcel_CachedObjectStorage_CacheBase */ private $_parent; /** * Index to cellXf * * @var int */ private $_xfIndex = 0; /** * Attributes of the formula * */ private $_formulaAttributes; /** * Send notification to the cache controller * * @return void **/ public function notifyCacheController() { $this->_parent->updateCacheData($this); return $this; } public function detach() { $this->_parent = NULL; } public function attach(PHPExcel_CachedObjectStorage_CacheBase $parent) { $this->_parent = $parent; } /** * Create a new Cell * * @param mixed $pValue * @param string $pDataType * @param PHPExcel_Worksheet $pSheet * @throws PHPExcel_Exception */ public function __construct($pValue = NULL, $pDataType = NULL, PHPExcel_Worksheet $pSheet = NULL) { // Initialise cell value $this->_value = $pValue; // Set worksheet cache $this->_parent = $pSheet->getCellCacheController(); // Set datatype? if ($pDataType !== NULL) { if ($pDataType == PHPExcel_Cell_DataType::TYPE_STRING2) $pDataType = PHPExcel_Cell_DataType::TYPE_STRING; $this->_dataType = $pDataType; } elseif (!self::getValueBinder()->bindValue($this, $pValue)) { throw new PHPExcel_Exception("Value could not be bound to cell."); } } /** * Get cell coordinate column * * @return string */ public function getColumn() { return $this->_parent->getCurrentColumn(); } /** * Get cell coordinate row * * @return int */ public function getRow() { return $this->_parent->getCurrentRow(); } /** * Get cell coordinate * * @return string */ public function getCoordinate() { return $this->_parent->getCurrentAddress(); } /** * Get cell value * * @return mixed */ public function getValue() { return $this->_value; } /** * Get cell value with formatting * * @return string */ public function getFormattedValue() { return (string) PHPExcel_Style_NumberFormat::toFormattedString( $this->getCalculatedValue(), $this->getStyle() ->getNumberFormat()->getFormatCode() ); } /** * Set cell value * * Sets the value for a cell, automatically determining the datatype using the value binder * * @param mixed $pValue Value * @return PHPExcel_Cell * @throws PHPExcel_Exception */ public function setValue($pValue = NULL) { if (!self::getValueBinder()->bindValue($this, $pValue)) { throw new PHPExcel_Exception("Value could not be bound to cell."); } return $this; } /** * Set the value for a cell, with the explicit data type passed to the method (bypassing any use of the value binder) * * @param mixed $pValue Value * @param string $pDataType Explicit data type * @return PHPExcel_Cell * @throws PHPExcel_Exception */ public function setValueExplicit($pValue = NULL, $pDataType = PHPExcel_Cell_DataType::TYPE_STRING) { // set the value according to data type switch ($pDataType) { case PHPExcel_Cell_DataType::TYPE_NULL: $this->_value = $pValue; break; case PHPExcel_Cell_DataType::TYPE_STRING2: $pDataType = PHPExcel_Cell_DataType::TYPE_STRING; case PHPExcel_Cell_DataType::TYPE_STRING: case PHPExcel_Cell_DataType::TYPE_INLINE: $this->_value = PHPExcel_Cell_DataType::checkString($pValue); break; case PHPExcel_Cell_DataType::TYPE_NUMERIC: $this->_value = (float)$pValue; break; case PHPExcel_Cell_DataType::TYPE_FORMULA: $this->_value = (string)$pValue; break; case PHPExcel_Cell_DataType::TYPE_BOOL: $this->_value = (bool)$pValue; break; case PHPExcel_Cell_DataType::TYPE_ERROR: $this->_value = PHPExcel_Cell_DataType::checkErrorCode($pValue); break; default: throw new PHPExcel_Exception('Invalid datatype: ' . $pDataType); break; } // set the datatype $this->_dataType = $pDataType; return $this->notifyCacheController(); } /** * Get calculated cell value * * @deprecated Since version 1.7.8 for planned changes to cell for array formula handling * * @param boolean $resetLog Whether the calculation engine logger should be reset or not * @return mixed * @throws PHPExcel_Exception */ public function getCalculatedValue($resetLog = TRUE) { //echo 'Cell '.$this->getCoordinate().' value is a '.$this->_dataType.' with a value of '.$this->getValue().PHP_EOL; if ($this->_dataType == PHPExcel_Cell_DataType::TYPE_FORMULA) { try { //echo 'Cell value for '.$this->getCoordinate().' is a formula: Calculating value'.PHP_EOL; $result = PHPExcel_Calculation::getInstance( $this->getWorksheet()->getParent() )->calculateCellValue($this,$resetLog); //echo $this->getCoordinate().' calculation result is '.$result.PHP_EOL; // We don't yet handle array returns if (is_array($result)) { while (is_array($result)) { $result = array_pop($result); } } } catch ( PHPExcel_Exception $ex ) { if (($ex->getMessage() === 'Unable to access External Workbook') && ($this->_calculatedValue !== NULL)) { //echo 'Returning fallback value of '.$this->_calculatedValue.' for cell '.$this->getCoordinate().PHP_EOL; return $this->_calculatedValue; // Fallback for calculations referencing external files. } //echo 'Calculation Exception: '.$ex->getMessage().PHP_EOL; $result = '#N/A'; throw new PHPExcel_Calculation_Exception( $this->getWorksheet()->getTitle().'!'.$this->getCoordinate().' -> '.$ex->getMessage() ); } if ($result === '#Not Yet Implemented') { //echo 'Returning fallback value of '.$this->_calculatedValue.' for cell '.$this->getCoordinate().PHP_EOL; return $this->_calculatedValue; // Fallback if calculation engine does not support the formula. } //echo 'Returning calculated value of '.$result.' for cell '.$this->getCoordinate().PHP_EOL; return $result; } elseif($this->_value instanceof PHPExcel_RichText) { // echo 'Cell value for '.$this->getCoordinate().' is rich text: Returning data value of '.$this->_value.'<br />'; return $this->_value->getPlainText(); } // echo 'Cell value for '.$this->getCoordinate().' is not a formula: Returning data value of '.$this->_value.'<br />'; return $this->_value; } /** * Set old calculated value (cached) * * @param mixed $pValue Value * @return PHPExcel_Cell */ public function setCalculatedValue($pValue = NULL) { if ($pValue !== NULL) { $this->_calculatedValue = (is_numeric($pValue)) ? (float) $pValue : $pValue; } return $this->notifyCacheController(); } /** * Get old calculated value (cached) * This returns the value last calculated by MS Excel or whichever spreadsheet program was used to * create the original spreadsheet file. * Note that this value is not guaranteed to refelect the actual calculated value because it is * possible that auto-calculation was disabled in the original spreadsheet, and underlying data * values used by the formula have changed since it was last calculated. * * @return mixed */ public function getOldCalculatedValue() { return $this->_calculatedValue; } /** * Get cell data type * * @return string */ public function getDataType() { return $this->_dataType; } /** * Set cell data type * * @param string $pDataType * @return PHPExcel_Cell */ public function setDataType($pDataType = PHPExcel_Cell_DataType::TYPE_STRING) { if ($pDataType == PHPExcel_Cell_DataType::TYPE_STRING2) $pDataType = PHPExcel_Cell_DataType::TYPE_STRING; $this->_dataType = $pDataType; return $this->notifyCacheController(); } /** * Identify if the cell contains a formula * * @return boolean */ public function isFormula() { return $this->_dataType == PHPExcel_Cell_DataType::TYPE_FORMULA; } /** * Does this cell contain Data validation rules? * * @return boolean * @throws PHPExcel_Exception */ public function hasDataValidation() { if (!isset($this->_parent)) { throw new PHPExcel_Exception('Cannot check for data validation when cell is not bound to a worksheet'); } return $this->getWorksheet()->dataValidationExists($this->getCoordinate()); } /** * Get Data validation rules * * @return PHPExcel_Cell_DataValidation * @throws PHPExcel_Exception */ public function getDataValidation() { if (!isset($this->_parent)) { throw new PHPExcel_Exception('Cannot get data validation for cell that is not bound to a worksheet'); } return $this->getWorksheet()->getDataValidation($this->getCoordinate()); } /** * Set Data validation rules * * @param PHPExcel_Cell_DataValidation $pDataValidation * @return PHPExcel_Cell * @throws PHPExcel_Exception */ public function setDataValidation(PHPExcel_Cell_DataValidation $pDataValidation = NULL) { if (!isset($this->_parent)) { throw new PHPExcel_Exception('Cannot set data validation for cell that is not bound to a worksheet'); } $this->getWorksheet()->setDataValidation($this->getCoordinate(), $pDataValidation); return $this->notifyCacheController(); } /** * Does this cell contain a Hyperlink? * * @return boolean * @throws PHPExcel_Exception */ public function hasHyperlink() { if (!isset($this->_parent)) { throw new PHPExcel_Exception('Cannot check for hyperlink when cell is not bound to a worksheet'); } return $this->getWorksheet()->hyperlinkExists($this->getCoordinate()); } /** * Get Hyperlink * * @return PHPExcel_Cell_Hyperlink * @throws PHPExcel_Exception */ public function getHyperlink() { if (!isset($this->_parent)) { throw new PHPExcel_Exception('Cannot get hyperlink for cell that is not bound to a worksheet'); } return $this->getWorksheet()->getHyperlink($this->getCoordinate()); } /** * Set Hyperlink * * @param PHPExcel_Cell_Hyperlink $pHyperlink * @return PHPExcel_Cell * @throws PHPExcel_Exception */ public function setHyperlink(PHPExcel_Cell_Hyperlink $pHyperlink = NULL) { if (!isset($this->_parent)) { throw new PHPExcel_Exception('Cannot set hyperlink for cell that is not bound to a worksheet'); } $this->getWorksheet()->setHyperlink($this->getCoordinate(), $pHyperlink); return $this->notifyCacheController(); } /** * Get parent worksheet * * @return PHPExcel_CachedObjectStorage_CacheBase */ public function getParent() { return $this->_parent; } /** * Get parent worksheet * * @return PHPExcel_Worksheet */ public function getWorksheet() { return $this->_parent->getParent(); } /** * Is this cell in a merge range * * @return boolean */ public function isInMergeRange() { return (boolean) $this->getMergeRange(); } /** * Is this cell the master (top left cell) in a merge range (that holds the actual data value) * * @return boolean */ public function isMergeRangeValueCell() { if ($mergeRange = $this->getMergeRange()) { $mergeRange = PHPExcel_Cell::splitRange($mergeRange); list($startCell) = $mergeRange[0]; if ($this->getCoordinate() === $startCell) { return true; } } return false; } /** * If this cell is in a merge range, then return the range * * @return string */ public function getMergeRange() { foreach($this->getWorksheet()->getMergeCells() as $mergeRange) { if ($this->isInRange($mergeRange)) { return $mergeRange; } } return false; } /** * Get cell style * * @return PHPExcel_Style */ public function getStyle() { return $this->getWorksheet()->getStyle($this->getCoordinate()); } /** * Re-bind parent * * @param PHPExcel_Worksheet $parent * @return PHPExcel_Cell */ public function rebindParent(PHPExcel_Worksheet $parent) { $this->_parent = $parent->getCellCacheController(); return $this->notifyCacheController(); } /** * Is cell in a specific range? * * @param string $pRange Cell range (e.g. A1:A1) * @return boolean */ public function isInRange($pRange = 'A1:A1') { list($rangeStart,$rangeEnd) = self::rangeBoundaries($pRange); // Translate properties $myColumn = self::columnIndexFromString($this->getColumn()); $myRow = $this->getRow(); // Verify if cell is in range return (($rangeStart[0] <= $myColumn) && ($rangeEnd[0] >= $myColumn) && ($rangeStart[1] <= $myRow) && ($rangeEnd[1] >= $myRow) ); } /** * Coordinate from string * * @param string $pCoordinateString * @return array Array containing column and row (indexes 0 and 1) * @throws PHPExcel_Exception */ public static function coordinateFromString($pCoordinateString = 'A1') { if (preg_match("/^([$]?[A-Z]{1,3})([$]?\d{1,7})$/", $pCoordinateString, $matches)) { return array($matches[1],$matches[2]); } elseif ((strpos($pCoordinateString,':') !== FALSE) || (strpos($pCoordinateString,',') !== FALSE)) { throw new PHPExcel_Exception('Cell coordinate string can not be a range of cells'); } elseif ($pCoordinateString == '') { throw new PHPExcel_Exception('Cell coordinate can not be zero-length string'); } throw new PHPExcel_Exception('Invalid cell coordinate '.$pCoordinateString); } /** * Make string row, column or cell coordinate absolute * * @param string $pCoordinateString e.g. 'A' or '1' or 'A1' * Note that this value can be a row or column reference as well as a cell reference * @return string Absolute coordinate e.g. '$A' or '$1' or '$A$1' * @throws PHPExcel_Exception */ public static function absoluteReference($pCoordinateString = 'A1') { if (strpos($pCoordinateString,':') === FALSE && strpos($pCoordinateString,',') === FALSE) { // Split out any worksheet name from the reference $worksheet = ''; $cellAddress = explode('!',$pCoordinateString); if (count($cellAddress) > 1) { list($worksheet,$pCoordinateString) = $cellAddress; } if ($worksheet > '') $worksheet .= '!'; // Create absolute coordinate if (ctype_digit($pCoordinateString)) { return $worksheet . '$' . $pCoordinateString; } elseif (ctype_alpha($pCoordinateString)) { return $worksheet . '$' . strtoupper($pCoordinateString); } return $worksheet . self::absoluteCoordinate($pCoordinateString); } throw new PHPExcel_Exception('Cell coordinate string can not be a range of cells'); } /** * Make string coordinate absolute * * @param string $pCoordinateString e.g. 'A1' * @return string Absolute coordinate e.g. '$A$1' * @throws PHPExcel_Exception */ public static function absoluteCoordinate($pCoordinateString = 'A1') { if (strpos($pCoordinateString,':') === FALSE && strpos($pCoordinateString,',') === FALSE) { // Split out any worksheet name from the coordinate $worksheet = ''; $cellAddress = explode('!',$pCoordinateString); if (count($cellAddress) > 1) { list($worksheet,$pCoordinateString) = $cellAddress; } if ($worksheet > '') $worksheet .= '!'; // Create absolute coordinate list($column, $row) = self::coordinateFromString($pCoordinateString); $column = ltrim($column,'$'); $row = ltrim($row,'$'); return $worksheet . '$' . $column . '$' . $row; } throw new PHPExcel_Exception('Cell coordinate string can not be a range of cells'); } /** * Split range into coordinate strings * * @param string $pRange e.g. 'B4:D9' or 'B4:D9,H2:O11' or 'B4' * @return array Array containg one or more arrays containing one or two coordinate strings * e.g. array('B4','D9') or array(array('B4','D9'),array('H2','O11')) * or array('B4') */ public static function splitRange($pRange = 'A1:A1') { // Ensure $pRange is a valid range if(empty($pRange)) { $pRange = self::DEFAULT_RANGE; } $exploded = explode(',', $pRange); $counter = count($exploded); for ($i = 0; $i < $counter; ++$i) { $exploded[$i] = explode(':', $exploded[$i]); } return $exploded; } /** * Build range from coordinate strings * * @param array $pRange Array containg one or more arrays containing one or two coordinate strings * @return string String representation of $pRange * @throws PHPExcel_Exception */ public static function buildRange($pRange) { // Verify range if (!is_array($pRange) || empty($pRange) || !is_array($pRange[0])) { throw new PHPExcel_Exception('Range does not contain any information'); } // Build range $imploded = array(); $counter = count($pRange); for ($i = 0; $i < $counter; ++$i) { $pRange[$i] = implode(':', $pRange[$i]); } $imploded = implode(',', $pRange); return $imploded; } /** * Calculate range boundaries * * @param string $pRange Cell range (e.g. A1:A1) * @return array Range coordinates array(Start Cell, End Cell) * where Start Cell and End Cell are arrays (Column Number, Row Number) */ public static function rangeBoundaries($pRange = 'A1:A1') { // Ensure $pRange is a valid range if(empty($pRange)) { $pRange = self::DEFAULT_RANGE; } // Uppercase coordinate $pRange = strtoupper($pRange); // Extract range if (strpos($pRange, ':') === FALSE) { $rangeA = $rangeB = $pRange; } else { list($rangeA, $rangeB) = explode(':', $pRange); } // Calculate range outer borders $rangeStart = self::coordinateFromString($rangeA); $rangeEnd = self::coordinateFromString($rangeB); // Translate column into index $rangeStart[0] = self::columnIndexFromString($rangeStart[0]); $rangeEnd[0] = self::columnIndexFromString($rangeEnd[0]); return array($rangeStart, $rangeEnd); } /** * Calculate range dimension * * @param string $pRange Cell range (e.g. A1:A1) * @return array Range dimension (width, height) */ public static function rangeDimension($pRange = 'A1:A1') { // Calculate range outer borders list($rangeStart,$rangeEnd) = self::rangeBoundaries($pRange); return array( ($rangeEnd[0] - $rangeStart[0] + 1), ($rangeEnd[1] - $rangeStart[1] + 1) ); } /** * Calculate range boundaries * * @param string $pRange Cell range (e.g. A1:A1) * @return array Range coordinates array(Start Cell, End Cell) * where Start Cell and End Cell are arrays (Column ID, Row Number) */ public static function getRangeBoundaries($pRange = 'A1:A1') { // Ensure $pRange is a valid range if(empty($pRange)) { $pRange = self::DEFAULT_RANGE; } // Uppercase coordinate $pRange = strtoupper($pRange); // Extract range if (strpos($pRange, ':') === FALSE) { $rangeA = $rangeB = $pRange; } else { list($rangeA, $rangeB) = explode(':', $pRange); } return array( self::coordinateFromString($rangeA), self::coordinateFromString($rangeB)); } /** * Column index from string * * @param string $pString * @return int Column index (base 1 !!!) */ public static function columnIndexFromString($pString = 'A') { // Using a lookup cache adds a slight memory overhead, but boosts speed // caching using a static within the method is faster than a class static, // though it's additional memory overhead static $_indexCache = array(); if (isset($_indexCache[$pString])) return $_indexCache[$pString]; // It's surprising how costly the strtoupper() and ord() calls actually are, so we use a lookup array rather than use ord() // and make it case insensitive to get rid of the strtoupper() as well. Because it's a static, there's no significant // memory overhead either static $_columnLookup = array( 'A' => 1, 'B' => 2, 'C' => 3, 'D' => 4, 'E' => 5, 'F' => 6, 'G' => 7, 'H' => 8, 'I' => 9, 'J' => 10, 'K' => 11, 'L' => 12, 'M' => 13, 'N' => 14, 'O' => 15, 'P' => 16, 'Q' => 17, 'R' => 18, 'S' => 19, 'T' => 20, 'U' => 21, 'V' => 22, 'W' => 23, 'X' => 24, 'Y' => 25, 'Z' => 26, 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5, 'f' => 6, 'g' => 7, 'h' => 8, 'i' => 9, 'j' => 10, 'k' => 11, 'l' => 12, 'm' => 13, 'n' => 14, 'o' => 15, 'p' => 16, 'q' => 17, 'r' => 18, 's' => 19, 't' => 20, 'u' => 21, 'v' => 22, 'w' => 23, 'x' => 24, 'y' => 25, 'z' => 26 ); // We also use the language construct isset() rather than the more costly strlen() function to match the length of $pString // for improved performance if (isset($pString{0})) { if (!isset($pString{1})) { $_indexCache[$pString] = $_columnLookup[$pString]; return $_indexCache[$pString]; } elseif(!isset($pString{2})) { $_indexCache[$pString] = $_columnLookup[$pString{0}] * 26 + $_columnLookup[$pString{1}]; return $_indexCache[$pString]; } elseif(!isset($pString{3})) { $_indexCache[$pString] = $_columnLookup[$pString{0}] * 676 + $_columnLookup[$pString{1}] * 26 + $_columnLookup[$pString{2}]; return $_indexCache[$pString]; } } throw new PHPExcel_Exception("Column string index can not be " . ((isset($pString{0})) ? "longer than 3 characters" : "empty")); } /** * String from columnindex * * @param int $pColumnIndex Column index (base 0 !!!) * @return string */ public static function stringFromColumnIndex($pColumnIndex = 0) { // Using a lookup cache adds a slight memory overhead, but boosts speed // caching using a static within the method is faster than a class static, // though it's additional memory overhead static $_indexCache = array(); if (!isset($_indexCache[$pColumnIndex])) { // Determine column string if ($pColumnIndex < 26) { $_indexCache[$pColumnIndex] = chr(65 + $pColumnIndex); } elseif ($pColumnIndex < 702) { $_indexCache[$pColumnIndex] = chr(64 + ($pColumnIndex / 26)) . chr(65 + $pColumnIndex % 26); } else { $_indexCache[$pColumnIndex] = chr(64 + (($pColumnIndex - 26) / 676)) . chr(65 + ((($pColumnIndex - 26) % 676) / 26)) . chr(65 + $pColumnIndex % 26); } } return $_indexCache[$pColumnIndex]; } /** * Extract all cell references in range * * @param string $pRange Range (e.g. A1 or A1:C10 or A1:E10 A20:E25) * @return array Array containing single cell references */ public static function extractAllCellReferencesInRange($pRange = 'A1') { // Returnvalue $returnValue = array(); // Explode spaces $cellBlocks = explode(' ', str_replace('$', '', strtoupper($pRange))); foreach ($cellBlocks as $cellBlock) { // Single cell? if (strpos($cellBlock,':') === FALSE && strpos($cellBlock,',') === FALSE) { $returnValue[] = $cellBlock; continue; } // Range... $ranges = self::splitRange($cellBlock); foreach($ranges as $range) { // Single cell? if (!isset($range[1])) { $returnValue[] = $range[0]; continue; } // Range... list($rangeStart, $rangeEnd) = $range; sscanf($rangeStart,'%[A-Z]%d', $startCol, $startRow); sscanf($rangeEnd,'%[A-Z]%d', $endCol, $endRow); $endCol++; // Current data $currentCol = $startCol; $currentRow = $startRow; // Loop cells while ($currentCol != $endCol) { while ($currentRow <= $endRow) { $returnValue[] = $currentCol.$currentRow; ++$currentRow; } ++$currentCol; $currentRow = $startRow; } } } // Sort the result by column and row $sortKeys = array(); foreach (array_unique($returnValue) as $coord) { sscanf($coord,'%[A-Z]%d', $column, $row); $sortKeys[sprintf('%3s%09d',$column,$row)] = $coord; } ksort($sortKeys); // Return value return array_values($sortKeys); } /** * Compare 2 cells * * @param PHPExcel_Cell $a Cell a * @param PHPExcel_Cell $b Cell b * @return int Result of comparison (always -1 or 1, never zero!) */ public static function compareCells(PHPExcel_Cell $a, PHPExcel_Cell $b) { if ($a->getRow() < $b->getRow()) { return -1; } elseif ($a->getRow() > $b->getRow()) { return 1; } elseif (self::columnIndexFromString($a->getColumn()) < self::columnIndexFromString($b->getColumn())) { return -1; } else { return 1; } } /** * Get value binder to use * * @return PHPExcel_Cell_IValueBinder */ public static function getValueBinder() { if (self::$_valueBinder === NULL) { self::$_valueBinder = new PHPExcel_Cell_DefaultValueBinder(); } return self::$_valueBinder; } /** * Set value binder to use * * @param PHPExcel_Cell_IValueBinder $binder * @throws PHPExcel_Exception */ public static function setValueBinder(PHPExcel_Cell_IValueBinder $binder = NULL) { if ($binder === NULL) { throw new PHPExcel_Exception("A PHPExcel_Cell_IValueBinder is required for PHPExcel to function correctly."); } self::$_valueBinder = $binder; } /** * Implement PHP __clone to create a deep clone, not just a shallow copy. */ public function __clone() { $vars = get_object_vars($this); foreach ($vars as $key => $value) { if ((is_object($value)) && ($key != '_parent')) { $this->$key = clone $value; } else { $this->$key = $value; } } } /** * Get index to cellXf * * @return int */ public function getXfIndex() { return $this->_xfIndex; } /** * Set index to cellXf * * @param int $pValue * @return PHPExcel_Cell */ public function setXfIndex($pValue = 0) { $this->_xfIndex = $pValue; return $this->notifyCacheController(); } /** * @deprecated Since version 1.7.8 for planned changes to cell for array formula handling */ public function setFormulaAttributes($pAttributes) { $this->_formulaAttributes = $pAttributes; return $this; } /** * @deprecated Since version 1.7.8 for planned changes to cell for array formula handling */ public function getFormulaAttributes() { return $this->_formulaAttributes; } /** * Convert to string * * @return string */ public function __toString() { return (string) $this->getValue(); } }