getActiveSheet(); $sheet->getStyle('A1:H2')->getNumberFormat()->setFormatCode('0'); $sheet->getStyle('A3:H3')->getNumberFormat()->setFormatCode('0.0'); $sheet->fromArray( [ [-3.5, -2.5, -1.5, -0.5, 0.5, 1.5, 2.5, 3.5], [-3.1, -2.9, -1.4, -0.3, 0.7, 1.6, 2.4, 3.7], [-3.15, -2.85, -1.43, -0.87, 0.72, 1.60, 2.45, 3.75], ] ); $expected = [ [-4, -3, -2, -1, 1, 2, 3, 4], [-3, -3, -1, 0, 1, 2, 2, 4], [-3.2, -2.9, -1.4, -0.9, 0.7, 1.6, 2.5, 3.8], ]; self::assertEquals($expected, $sheet->toArray()); $spreadsheet->disconnectWorksheets(); } }