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<?php
namespace PhpOffice\PhpSpreadsheet\Cell;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
use PhpOffice\PhpSpreadsheet\Collection\Cells;
use PhpOffice\PhpSpreadsheet\Exception;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDate;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
use PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting\CellStyleAssessor;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Style\Style;
use PhpOffice\PhpSpreadsheet\Worksheet\Table;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
class Cell
{
/**
* Value binder to use.
*
* @var IValueBinder
*/
private static $valueBinder;
/**
* 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;
/**
* Type of the cell data.
*
* @var string
*/
private $dataType;
/**
* The collection of cells that this cell belongs to (i.e. The Cell Collection for the parent Worksheet).
*
* @var ?Cells
*/
private $parent;
/**
* Index to the cellXf reference for the styling of this cell.
*
* @var int
*/
private $xfIndex = 0;
/**
* Attributes of the formula.
*
* @var mixed
*/
private $formulaAttributes;
/**
* Update the cell into the cell collection.
*
* @return $this
*/
public function updateInCollection(): self
{
$parent = $this->parent;
if ($parent === null) {
throw new Exception('Cannot update when cell is not bound to a worksheet');
}
$parent->update($this);
return $this;
}
public function detach(): void
{
$this->parent = null;
}
public function attach(Cells $parent): void
{
$this->parent = $parent;
}
/**
* Create a new Cell.
*
* @param mixed $value
*/
public function __construct($value, ?string $dataType, Worksheet $worksheet)
{
// Initialise cell value
$this->value = $value;
// Set worksheet cache
$this->parent = $worksheet->getCellCollection();
// Set datatype?
if ($dataType !== null) {
if ($dataType == DataType::TYPE_STRING2) {
$dataType = DataType::TYPE_STRING;
}
$this->dataType = $dataType;
} elseif (self::getValueBinder()->bindValue($this, $value) === false) {
throw new Exception('Value could not be bound to cell.');
}
}
/**
* Get cell coordinate column.
*
* @return string
*/
public function getColumn()
{
$parent = $this->parent;
if ($parent === null) {
throw new Exception('Cannot get column when cell is not bound to a worksheet');
}
return $parent->getCurrentColumn();
}
/**
* Get cell coordinate row.
*
* @return int
*/
public function getRow()
{
$parent = $this->parent;
if ($parent === null) {
throw new Exception('Cannot get row when cell is not bound to a worksheet');
}
return $parent->getCurrentRow();
}
/**
* Get cell coordinate.
*
* @return string
*/
public function getCoordinate()
{
$parent = $this->parent;
if ($parent !== null) {
$coordinate = $parent->getCurrentCoordinate();
} else {
$coordinate = null;
}
if ($coordinate === null) {
throw new Exception('Coordinate no longer exists');
}
return $coordinate;
}
/**
* Get cell value.
*
* @return mixed
*/
public function getValue()
{
return $this->value;
}
/**
* Get cell value with formatting.
*/
public function getFormattedValue(): string
{
return (string) NumberFormat::toFormattedString(
$this->getCalculatedValue(),
(string) $this->getStyle()->getNumberFormat()->getFormatCode()
);
}
/**
* @param mixed $oldValue
* @param mixed $newValue
*/
protected static function updateIfCellIsTableHeader(?Worksheet $workSheet, self $cell, $oldValue, $newValue): void
{
if (StringHelper::strToLower($oldValue ?? '') === StringHelper::strToLower($newValue ?? '') || $workSheet === null) {
return;
}
foreach ($workSheet->getTableCollection() as $table) {
/** @var Table $table */
if ($cell->isInRange($table->getRange())) {
$rangeRowsColumns = Coordinate::getRangeBoundaries($table->getRange());
if ($cell->getRow() === (int) $rangeRowsColumns[0][1]) {
Table\Column::updateStructuredReferences($workSheet, $oldValue, $newValue);
}
return;
}
}
}
/**
* Set cell value.
*
* Sets the value for a cell, automatically determining the datatype using the value binder
*
* @param mixed $value Value
* @param null|IValueBinder $binder Value Binder to override the currently set Value Binder
*
* @throws Exception
*
* @return $this
*/
public function setValue($value, ?IValueBinder $binder = null): self
{
$binder ??= self::getValueBinder();
if (!$binder->bindValue($this, $value)) {
throw new 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 $value Value
* @param string $dataType Explicit data type, see DataType::TYPE_*
* Note that PhpSpreadsheet does not validate that the value and datatype are consistent, in using this
* method, then it is your responsibility as an end-user developer to validate that the value and
* the datatype match.
* If you do mismatch value and datatype, then the value you enter may be changed to match the datatype
* that you specify.
*
* @return Cell
*/
public function setValueExplicit($value, string $dataType = DataType::TYPE_STRING)
{
$oldValue = $this->value;
// set the value according to data type
switch ($dataType) {
case DataType::TYPE_NULL:
$this->value = null;
break;
case DataType::TYPE_STRING2:
$dataType = DataType::TYPE_STRING;
// no break
case DataType::TYPE_STRING:
// Synonym for string
case DataType::TYPE_INLINE:
// Rich text
$this->value = DataType::checkString($value);
break;
case DataType::TYPE_NUMERIC:
if (is_string($value) && !is_numeric($value)) {
throw new Exception('Invalid numeric value for datatype Numeric');
}
$this->value = 0 + $value;
break;
case DataType::TYPE_FORMULA:
$this->value = (string) $value;
break;
case DataType::TYPE_BOOL:
$this->value = (bool) $value;
break;
case DataType::TYPE_ISO_DATE:
$this->value = SharedDate::convertIsoDate($value);
$dataType = DataType::TYPE_NUMERIC;
break;
case DataType::TYPE_ERROR:
$this->value = DataType::checkErrorCode($value);
break;
default:
throw new Exception('Invalid datatype: ' . $dataType);
}
// set the datatype
$this->dataType = $dataType;
$this->updateInCollection();
$cellCoordinate = $this->getCoordinate();
self::updateIfCellIsTableHeader($this->getParent()->getParent(), $this, $oldValue, $value); // @phpstan-ignore-line
return $this->getParent()->get($cellCoordinate); // @phpstan-ignore-line
}
public const CALCULATE_DATE_TIME_ASIS = 0;
public const CALCULATE_DATE_TIME_FLOAT = 1;
public const CALCULATE_TIME_FLOAT = 2;
/** @var int */
private static $calculateDateTimeType = self::CALCULATE_DATE_TIME_ASIS;
public static function getCalculateDateTimeType(): int
{
return self::$calculateDateTimeType;
}
public static function setCalculateDateTimeType(int $calculateDateTimeType): void
{
switch ($calculateDateTimeType) {
case self::CALCULATE_DATE_TIME_ASIS:
case self::CALCULATE_DATE_TIME_FLOAT:
case self::CALCULATE_TIME_FLOAT:
self::$calculateDateTimeType = $calculateDateTimeType;
break;
default:
throw new \PhpOffice\PhpSpreadsheet\Calculation\Exception("Invalid value $calculateDateTimeType for calculated date time type");
}
}
/**
* Convert date, time, or datetime from int to float if desired.
*
* @param mixed $result
*
* @return mixed
*/
private function convertDateTimeInt($result)
{
if (is_int($result)) {
if (self::$calculateDateTimeType === self::CALCULATE_TIME_FLOAT) {
if (SharedDate::isDateTime($this, $result, false)) {
$result = (float) $result;
}
} elseif (self::$calculateDateTimeType === self::CALCULATE_DATE_TIME_FLOAT) {
if (SharedDate::isDateTime($this, $result, true)) {
$result = (float) $result;
}
}
}
return $result;
}
/**
* Get calculated cell value.
*
* @param bool $resetLog Whether the calculation engine logger should be reset or not
*
* @return mixed
*/
public function getCalculatedValue(bool $resetLog = true)
{
if ($this->dataType === DataType::TYPE_FORMULA) {
try {
$index = $this->getWorksheet()->getParentOrThrow()->getActiveSheetIndex();
$selected = $this->getWorksheet()->getSelectedCells();
$result = Calculation::getInstance(
$this->getWorksheet()->getParent()
)->calculateCellValue($this, $resetLog);
$result = $this->convertDateTimeInt($result);
$this->getWorksheet()->setSelectedCells($selected);
$this->getWorksheet()->getParentOrThrow()->setActiveSheetIndex($index);
// We don't yet handle array returns
if (is_array($result)) {
while (is_array($result)) {
$result = array_shift($result);
}
}
} catch (Exception $ex) {
if (($ex->getMessage() === 'Unable to access External Workbook') && ($this->calculatedValue !== null)) {
return $this->calculatedValue; // Fallback for calculations referencing external files.
} elseif (preg_match('/[Uu]ndefined (name|offset: 2|array key 2)/', $ex->getMessage()) === 1) {
return ExcelError::NAME();
}
throw new \PhpOffice\PhpSpreadsheet\Calculation\Exception(
$this->getWorksheet()->getTitle() . '!' . $this->getCoordinate() . ' -> ' . $ex->getMessage()
);
}
if ($result === '#Not Yet Implemented') {
return $this->calculatedValue; // Fallback if calculation engine does not support the formula.
}
return $result;
} elseif ($this->value instanceof RichText) {
return $this->value->getPlainText();
}
return $this->convertDateTimeInt($this->value);
}
/**
* Set old calculated value (cached).
*
* @param mixed $originalValue Value
*/
public function setCalculatedValue($originalValue): self
{
if ($originalValue !== null) {
$this->calculatedValue = (is_numeric($originalValue)) ? (float) $originalValue : $originalValue;
}
return $this->updateInCollection();
}
/**
* 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 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.
*
* @return mixed
*/
public function getOldCalculatedValue()
{
return $this->calculatedValue;
}
/**
* Get cell data type.
*/
public function getDataType(): string
{
return $this->dataType;
}
/**
* Set cell data type.
*
* @param string $dataType see DataType::TYPE_*
*/
public function setDataType($dataType): self
{
if ($dataType == DataType::TYPE_STRING2) {
$dataType = DataType::TYPE_STRING;
}
$this->dataType = $dataType;
return $this->updateInCollection();
}
/**
* Identify if the cell contains a formula.
*/
public function isFormula(): bool
{
return $this->dataType === DataType::TYPE_FORMULA && $this->getStyle()->getQuotePrefix() === false;
}
/**
* Does this cell contain Data validation rules?
*/
public function hasDataValidation(): bool
{
if (!isset($this->parent)) {
throw new Exception('Cannot check for data validation when cell is not bound to a worksheet');
}
return $this->getWorksheet()->dataValidationExists($this->getCoordinate());
}
/**
* Get Data validation rules.
*/
public function getDataValidation(): DataValidation
{
if (!isset($this->parent)) {
throw new Exception('Cannot get data validation for cell that is not bound to a worksheet');
}
return $this->getWorksheet()->getDataValidation($this->getCoordinate());
}
/**
* Set Data validation rules.
*/
public function setDataValidation(?DataValidation $dataValidation = null): self
{
if (!isset($this->parent)) {
throw new Exception('Cannot set data validation for cell that is not bound to a worksheet');
}
$this->getWorksheet()->setDataValidation($this->getCoordinate(), $dataValidation);
return $this->updateInCollection();
}
/**
* Does this cell contain valid value?
*/
public function hasValidValue(): bool
{
$validator = new DataValidator();
return $validator->isValid($this);
}
/**
* Does this cell contain a Hyperlink?
*/
public function hasHyperlink(): bool
{
if (!isset($this->parent)) {
throw new Exception('Cannot check for hyperlink when cell is not bound to a worksheet');
}
return $this->getWorksheet()->hyperlinkExists($this->getCoordinate());
}
/**
* Get Hyperlink.
*/
public function getHyperlink(): Hyperlink
{
if (!isset($this->parent)) {
throw new Exception('Cannot get hyperlink for cell that is not bound to a worksheet');
}
return $this->getWorksheet()->getHyperlink($this->getCoordinate());
}
/**
* Set Hyperlink.
*/
public function setHyperlink(?Hyperlink $hyperlink = null): self
{
if (!isset($this->parent)) {
throw new Exception('Cannot set hyperlink for cell that is not bound to a worksheet');
}
$this->getWorksheet()->setHyperlink($this->getCoordinate(), $hyperlink);
return $this->updateInCollection();
}
/**
* Get cell collection.
*
* @return ?Cells
*/
public function getParent()
{
return $this->parent;
}
/**
* Get parent worksheet.
*/
public function getWorksheet(): Worksheet
{
$parent = $this->parent;
if ($parent !== null) {
$worksheet = $parent->getParent();
} else {
$worksheet = null;
}
if ($worksheet === null) {
throw new Exception('Worksheet no longer exists');
}
return $worksheet;
}
public function getWorksheetOrNull(): ?Worksheet
{
$parent = $this->parent;
if ($parent !== null) {
$worksheet = $parent->getParent();
} else {
$worksheet = null;
}
return $worksheet;
}
/**
* Is this cell in a merge range.
*/
public function isInMergeRange(): bool
{
return (bool) $this->getMergeRange();
}
/**
* Is this cell the master (top left cell) in a merge range (that holds the actual data value).
*/
public function isMergeRangeValueCell(): bool
{
if ($mergeRange = $this->getMergeRange()) {
$mergeRange = Coordinate::splitRange($mergeRange);
[$startCell] = $mergeRange[0];
return $this->getCoordinate() === $startCell;
}
return false;
}
/**
* If this cell is in a merge range, then return the range.
*
* @return false|string
*/
public function getMergeRange()
{
foreach ($this->getWorksheet()->getMergeCells() as $mergeRange) {
if ($this->isInRange($mergeRange)) {
return $mergeRange;
}
}
return false;
}
/**
* Get cell style.
*/
public function getStyle(): Style
{
return $this->getWorksheet()->getStyle($this->getCoordinate());
}
/**
* Get cell style.
*/
public function getAppliedStyle(): Style
{
if ($this->getWorksheet()->conditionalStylesExists($this->getCoordinate()) === false) {
return $this->getStyle();
}
$range = $this->getWorksheet()->getConditionalRange($this->getCoordinate());
if ($range === null) {
return $this->getStyle();
}
$matcher = new CellStyleAssessor($this, $range);
return $matcher->matchConditions($this->getWorksheet()->getConditionalStyles($this->getCoordinate()));
}
/**
* Re-bind parent.
*/
public function rebindParent(Worksheet $parent): self
{
$this->parent = $parent->getCellCollection();
return $this->updateInCollection();
}
/**
* Is cell in a specific range?
*
* @param string $range Cell range (e.g. A1:A1)
*/
public function isInRange(string $range): bool
{
[$rangeStart, $rangeEnd] = Coordinate::rangeBoundaries($range);
// Translate properties
$myColumn = Coordinate::columnIndexFromString($this->getColumn());
$myRow = $this->getRow();
// Verify if cell is in range
return ($rangeStart[0] <= $myColumn) && ($rangeEnd[0] >= $myColumn) &&
($rangeStart[1] <= $myRow) && ($rangeEnd[1] >= $myRow);
}
/**
* Compare 2 cells.
*
* @param Cell $a Cell a
* @param Cell $b Cell b
*
* @return int Result of comparison (always -1 or 1, never zero!)
*/
public static function compareCells(self $a, self $b): int
{
if ($a->getRow() < $b->getRow()) {
return -1;
} elseif ($a->getRow() > $b->getRow()) {
return 1;
} elseif (Coordinate::columnIndexFromString($a->getColumn()) < Coordinate::columnIndexFromString($b->getColumn())) {
return -1;
}
return 1;
}
/**
* Get value binder to use.
*/
public static function getValueBinder(): IValueBinder
{
if (self::$valueBinder === null) {
self::$valueBinder = new DefaultValueBinder();
}
return self::$valueBinder;
}
/**
* Set value binder to use.
*/
public static function setValueBinder(IValueBinder $binder): void
{
self::$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 $propertyName => $propertyValue) {
if ((is_object($propertyValue)) && ($propertyName !== 'parent')) {
$this->$propertyName = clone $propertyValue;
} else {
$this->$propertyName = $propertyValue;
}
}
}
/**
* Get index to cellXf.
*/
public function getXfIndex(): int
{
return $this->xfIndex;
}
/**
* Set index to cellXf.
*/
public function setXfIndex(int $indexValue): self
{
$this->xfIndex = $indexValue;
return $this->updateInCollection();
}
/**
* Set the formula attributes.
*
* @param mixed $attributes
*
* @return $this
*/
public function setFormulaAttributes($attributes): self
{
$this->formulaAttributes = $attributes;
return $this;
}
/**
* Get the formula attributes.
*
* @return mixed
*/
public function getFormulaAttributes()
{
return $this->formulaAttributes;
}
/**
* Convert to string.
*
* @return string
*/
public function __toString()
{
return (string) $this->getValue();
}
}
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