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<?php namespace PhpOffice\PhpSpreadsheet\Writer; use PhpOffice\PhpSpreadsheet\Spreadsheet; interface IWriter {> public const SAVE_WITH_CHARTS = 1; /** >* IWriter constructor. *< * @param Spreadsheet $spreadsheet> * @param Spreadsheet $spreadsheet The spreadsheet that we want to save using this Writer*/ public function __construct(Spreadsheet $spreadsheet); /** * Write charts in workbook? * If this is true, then the Writer will write definitions for any charts that exist in the PhpSpreadsheet object. * If false (the default) it will ignore any charts defined in the PhpSpreadsheet object. * * @return bool */ public function getIncludeCharts(); /** * Set write charts in workbook * Set to true, to advise the Writer to include any charts that exist in the PhpSpreadsheet object. * Set to false (the default) to ignore charts. *< * @param bool $pValue> * @param bool $includeCharts* * @return IWriter */< public function setIncludeCharts($pValue);> public function setIncludeCharts($includeCharts);/** * Get Pre-Calculate Formulas flag * If this is true (the default), then the writer will recalculate all formulae in a workbook when saving, * so that the pre-calculated values are immediately available to MS Excel or other office spreadsheet * viewer when opening the file * If false, then formulae are not calculated on save. This is faster for saving in PhpSpreadsheet, but slower * when opening the resulting file in MS Excel, because Excel has to recalculate the formulae itself. * * @return bool */ public function getPreCalculateFormulas(); /** * Set Pre-Calculate Formulas * Set to true (the default) to advise the Writer to calculate all formulae on save * Set to false to prevent precalculation of formulae on save. *< * @param bool $pValue Pre-Calculate Formulas?> * @param bool $precalculateFormulas Pre-Calculate Formulas?* * @return IWriter */< public function setPreCalculateFormulas($pValue);> public function setPreCalculateFormulas($precalculateFormulas);/** * Save PhpSpreadsheet to file. *< * @param string $pFilename Name of the file to save> * @param resource|string $filename Name of the file to save*< * @throws \PhpOffice\PhpSpreadsheet\Writer\Exception> * @throws Exception*/< public function save($pFilename);> public function save($filename, int $flags = 0): void;/** * Get use disk caching where possible? * * @return bool */ public function getUseDiskCaching(); /** * Set use disk caching where possible? *< * @param bool $pValue < * @param string $pDirectory Disk caching directory < * < * @throws Exception when directory does not exist> * @param bool $useDiskCache > * @param string $cacheDirectory Disk caching directory* * @return IWriter */< public function setUseDiskCaching($pValue, $pDirectory = null);> public function setUseDiskCaching($useDiskCache, $cacheDirectory = null);/** * Get disk caching directory. * * @return string */ public function getDiskCachingDirectory(); }