load($infile); $sheet = $spreadsheet->getActiveSheet(); $expected1 = [[1, 2], [3, '']]; self::assertSame($expected1, $sheet->toArray(null, false, false)); $reader2 = new Slk(); $reader2->setValueBinder(new StringValueBinder()); $spreadsheet2 = $reader2->load($infile); $sheet2 = $spreadsheet2->getActiveSheet(); $expected2 = [['1', '2'], ['3', '']]; self::assertSame($expected2, $sheet2->toArray(null, false, false)); $spreadsheet->disconnectWorksheets(); $spreadsheet2->disconnectWorksheets(); } }