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<?php namespace Maatwebsite\Excel\Filters;
use PHPExcel_Reader_IReadFilter;
class ChunkReadFilter implements PHPExcel_Reader_IReadFilter
{
/**
* Start row
* @var integer
*/
private $_startRow = 0;
/**
* End row
* @var integer
*/
private $_endRow = 0;
/**
* Set the list of rows that we want to read
* @param integer $startRow
* @param integer $chunkSize
* @return void
*/
public function setRows($startRow, $chunkSize)
{
$this->_startRow = $startRow;
$this->_endRow = $startRow + $chunkSize;
}
/**
* Read the cell
* @param string $column
* @param integer $row
* @param string $worksheetName
* @return boolean
*/
public function readCell($column, $row, $worksheetName = '')
{
// Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow
return ($row == config('excel.import.startRow')) || ($row >= $this->_startRow && $row <= $this->_endRow);
}
}