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<?php
namespace PhpOffice\PhpSpreadsheet\Reader;
interface IReader
{
public const LOAD_WITH_CHARTS = 1;
public const READ_DATA_ONLY = 2;
public const SKIP_EMPTY_CELLS = 4;
public const IGNORE_EMPTY_CELLS = 4;
/**
* IReader constructor.
*/
public function __construct();
/**
* Can the current IReader read the file?
*/
public function canRead(string $filename): bool;
/**
* Read data only?
* If this is true, then the Reader will only read data values for cells, it will not read any formatting
* or structural information (like merges).
* If false (the default) it will read data and formatting.
*
* @return bool
*/
public function getReadDataOnly();
/**
* Set read data only
* Set to true, to advise the Reader only to read data values for cells, and to ignore any formatting
* or structural information (like merges).
* Set to false (the default) to advise the Reader to read both data and formatting for cells.
*
* @param bool $readDataOnly
*
* @return IReader
*/
public function setReadDataOnly($readDataOnly);
/**
* Read empty cells?
* If this is true (the default), then the Reader will read data values for all cells, irrespective of value.
* If false it will not read data for cells containing a null value or an empty string.
*
* @return bool
*/
public function getReadEmptyCells();
/**
* Set read empty cells
* Set to true (the default) to advise the Reader read data values for all cells, irrespective of value.
* Set to false to advise the Reader to ignore cells containing a null value or an empty string.
*
* @param bool $readEmptyCells
*
* @return IReader
*/
public function setReadEmptyCells($readEmptyCells);
/**
* Read charts in workbook?
* If this is true, then the Reader will include any charts that exist in the workbook.
* Note that a ReadDataOnly value of false overrides, and charts won't be read regardless of the IncludeCharts value.
* If false (the default) it will ignore any charts defined in the workbook file.
*
* @return bool
*/
public function getIncludeCharts();
/**
* Set read charts in workbook
* Set to true, to advise the Reader to include any charts that exist in the workbook.
* Note that a ReadDataOnly value of false overrides, and charts won't be read regardless of the IncludeCharts value.
* Set to false (the default) to discard charts.
*
* @param bool $includeCharts
*
* @return IReader
*/
public function setIncludeCharts($includeCharts);
/**
* Get which sheets to load
* Returns either an array of worksheet names (the list of worksheets that should be loaded), or a null
* indicating that all worksheets in the workbook should be loaded.
*
* @return mixed
*/
public function getLoadSheetsOnly();
/**
* Set which sheets to load.
*
* @param mixed $value
* This should be either an array of worksheet names to be loaded, or a string containing a single worksheet name.
* If NULL, then it tells the Reader to read all worksheets in the workbook
*
* @return IReader
*/
public function setLoadSheetsOnly($value);
/**
* Set all sheets to load
* Tells the Reader to load all worksheets from the workbook.
*
* @return IReader
*/
public function setLoadAllSheets();
/**
* Read filter.
*
* @return IReadFilter
*/
public function getReadFilter();
/**
* Set read filter.
*
* @return IReader
*/
public function setReadFilter(IReadFilter $readFilter);
/**
* Loads PhpSpreadsheet from file.
*
* @param string $filename The name of the file to load
* @param int $flags Flags that can change the behaviour of the Writer:
* self::LOAD_WITH_CHARTS Load any charts that are defined (if the Reader supports Charts)
* self::READ_DATA_ONLY Read only data, not style or structure information, from the file
* self::SKIP_EMPTY_CELLS Don't read empty cells (cells that contain a null value,
* empty string, or a string containing only whitespace characters)
*
* @return \PhpOffice\PhpSpreadsheet\Spreadsheet
*/
public function load(string $filename, int $flags = 0);
}
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