234 lines
8.4 KiB
PHP
234 lines
8.4 KiB
PHP
<?php
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namespace Box\Spout\Writer\ODS\Internal;
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use Box\Spout\Common\Exception\InvalidArgumentException;
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use Box\Spout\Common\Exception\IOException;
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use Box\Spout\Common\Helper\StringHelper;
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use Box\Spout\Writer\Common\Helper\CellHelper;
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use Box\Spout\Writer\Common\Internal\WorksheetInterface;
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/**
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* Class Worksheet
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* Represents a worksheet within a ODS file. The difference with the Sheet object is
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* that this class provides an interface to write data
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*
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* @package Box\Spout\Writer\ODS\Internal
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*/
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class Worksheet implements WorksheetInterface
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{
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/** @var \Box\Spout\Writer\Common\Sheet The "external" sheet */
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protected $externalSheet;
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/** @var string Path to the XML file that will contain the sheet data */
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protected $worksheetFilePath;
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/** @var \Box\Spout\Common\Escaper\ODS Strings escaper */
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protected $stringsEscaper;
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/** @var \Box\Spout\Common\Helper\StringHelper To help with string manipulation */
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protected $stringHelper;
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/** @var Resource Pointer to the temporary sheet data file (e.g. worksheets-temp/sheet1.xml) */
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protected $sheetFilePointer;
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/** @var int Maximum number of columns among all the written rows */
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protected $maxNumColumns = 1;
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/** @var int Index of the last written row */
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protected $lastWrittenRowIndex = 0;
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/**
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* @param \Box\Spout\Writer\Common\Sheet $externalSheet The associated "external" sheet
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* @param string $worksheetFilesFolder Temporary folder where the files to create the ODS will be stored
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* @throws \Box\Spout\Common\Exception\IOException If the sheet data file cannot be opened for writing
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*/
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public function __construct($externalSheet, $worksheetFilesFolder)
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{
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$this->externalSheet = $externalSheet;
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/** @noinspection PhpUnnecessaryFullyQualifiedNameInspection */
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$this->stringsEscaper = \Box\Spout\Common\Escaper\ODS::getInstance();
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$this->worksheetFilePath = $worksheetFilesFolder . '/sheet' . $externalSheet->getIndex() . '.xml';
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$this->stringHelper = new StringHelper();
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$this->startSheet();
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}
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/**
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* Prepares the worksheet to accept data
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* The XML file does not contain the "<table:table>" node as it contains the sheet's name
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* which may change during the execution of the program. It will be added at the end.
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*
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* @return void
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* @throws \Box\Spout\Common\Exception\IOException If the sheet data file cannot be opened for writing
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*/
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protected function startSheet()
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{
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$this->sheetFilePointer = fopen($this->worksheetFilePath, 'w');
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$this->throwIfSheetFilePointerIsNotAvailable();
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}
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/**
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* Checks if the book has been created. Throws an exception if not created yet.
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*
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* @return void
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* @throws \Box\Spout\Common\Exception\IOException If the sheet data file cannot be opened for writing
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*/
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protected function throwIfSheetFilePointerIsNotAvailable()
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{
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if (!$this->sheetFilePointer) {
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throw new IOException('Unable to open sheet for writing.');
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}
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}
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/**
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* @return string Path to the temporary sheet content XML file
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*/
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public function getWorksheetFilePath()
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{
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return $this->worksheetFilePath;
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}
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/**
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* Returns the table XML root node as string.
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*
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* @return string <table> node as string
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*/
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public function getTableElementStartAsString()
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{
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$escapedSheetName = $this->stringsEscaper->escape($this->externalSheet->getName());
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$tableStyleName = 'ta' . ($this->externalSheet->getIndex() + 1);
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$tableElement = '<table:table table:style-name="' . $tableStyleName . '" table:name="' . $escapedSheetName . '">';
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$tableElement .= '<table:table-column table:default-cell-style-name="ce1" table:style-name="co1" table:number-columns-repeated="' . $this->maxNumColumns . '"/>';
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return $tableElement;
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}
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/**
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* @return \Box\Spout\Writer\Common\Sheet The "external" sheet
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*/
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public function getExternalSheet()
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{
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return $this->externalSheet;
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}
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/**
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* @return int The index of the last written row
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*/
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public function getLastWrittenRowIndex()
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{
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return $this->lastWrittenRowIndex;
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}
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/**
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* Adds data to the worksheet.
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*
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* @param array $dataRow Array containing data to be written. Cannot be empty.
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* Example $dataRow = ['data1', 1234, null, '', 'data5'];
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* @param \Box\Spout\Writer\Style\Style $style Style to be applied to the row. NULL means use default style.
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* @return void
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* @throws \Box\Spout\Common\Exception\IOException If the data cannot be written
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* @throws \Box\Spout\Common\Exception\InvalidArgumentException If a cell value's type is not supported
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*/
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public function addRow($dataRow, $style)
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{
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// $dataRow can be an associative array. We need to transform
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// it into a regular array, as we'll use the numeric indexes.
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$dataRowWithNumericIndexes = array_values($dataRow);
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$styleIndex = ($style->getId() + 1); // 1-based
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$cellsCount = count($dataRow);
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$this->maxNumColumns = max($this->maxNumColumns, $cellsCount);
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$data = '<table:table-row table:style-name="ro1">';
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$currentCellIndex = 0;
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$nextCellIndex = 1;
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for ($i = 0; $i < $cellsCount; $i++) {
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$currentCellValue = $dataRowWithNumericIndexes[$currentCellIndex];
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// Using isset here because it is way faster than array_key_exists...
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if (!isset($dataRowWithNumericIndexes[$nextCellIndex]) ||
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$currentCellValue !== $dataRowWithNumericIndexes[$nextCellIndex]) {
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$numTimesValueRepeated = ($nextCellIndex - $currentCellIndex);
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$data .= $this->getCellXML($currentCellValue, $styleIndex, $numTimesValueRepeated);
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$currentCellIndex = $nextCellIndex;
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}
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$nextCellIndex++;
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}
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$data .= '</table:table-row>';
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$wasWriteSuccessful = fwrite($this->sheetFilePointer, $data);
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if ($wasWriteSuccessful === false) {
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throw new IOException("Unable to write data in {$this->worksheetFilePath}");
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}
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// only update the count if the write worked
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$this->lastWrittenRowIndex++;
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}
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/**
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* Returns the cell XML content, given its value.
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*
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* @param mixed $cellValue The value to be written
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* @param int $styleIndex Index of the used style
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* @param int $numTimesValueRepeated Number of times the value is consecutively repeated
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* @return string The cell XML content
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* @throws \Box\Spout\Common\Exception\InvalidArgumentException If a cell value's type is not supported
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*/
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protected function getCellXML($cellValue, $styleIndex, $numTimesValueRepeated)
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{
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$data = '<table:table-cell table:style-name="ce' . $styleIndex . '"';
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if ($numTimesValueRepeated !== 1) {
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$data .= ' table:number-columns-repeated="' . $numTimesValueRepeated . '"';
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}
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if (CellHelper::isNonEmptyString($cellValue)) {
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$data .= ' office:value-type="string" calcext:value-type="string">';
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$cellValueLines = explode("\n", $cellValue);
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foreach ($cellValueLines as $cellValueLine) {
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$data .= '<text:p>' . $this->stringsEscaper->escape($cellValueLine) . '</text:p>';
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}
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$data .= '</table:table-cell>';
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} else if (CellHelper::isBoolean($cellValue)) {
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$data .= ' office:value-type="boolean" calcext:value-type="boolean" office:boolean-value="' . $cellValue . '">';
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$data .= '<text:p>' . $cellValue . '</text:p>';
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$data .= '</table:table-cell>';
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} else if (CellHelper::isNumeric($cellValue)) {
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$data .= ' office:value-type="float" calcext:value-type="float" office:value="' . $cellValue . '">';
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$data .= '<text:p>' . $cellValue . '</text:p>';
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$data .= '</table:table-cell>';
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} else if (empty($cellValue)) {
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$data .= '/>';
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} else {
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throw new InvalidArgumentException('Trying to add a value with an unsupported type: ' . gettype($cellValue));
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}
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return $data;
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}
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/**
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* Closes the worksheet
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*
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* @return void
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*/
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public function close()
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{
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if (!is_resource($this->sheetFilePointer)) {
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return;
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}
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fclose($this->sheetFilePointer);
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}
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}
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