['font' => ['italic' => true]], 'B2' => ['font' => ['bold' => true]], 'C' => ['font' => ['size' => 16]], ]; } public function array(): array { return [ ['A1', 'B1', 'C1'], ['A2', 'B2', 'C2'], ]; } }; $export->store('with-styles.xlsx'); $spreadsheet = $this->read(__DIR__ . '/../Data/Disks/Local/with-styles.xlsx', 'Xlsx'); $sheet = $spreadsheet->getActiveSheet(); $this->assertTrue($sheet->getStyle('A1')->getFont()->getItalic()); $this->assertTrue($sheet->getStyle('B1')->getFont()->getItalic()); $this->assertTrue($sheet->getStyle('B2')->getFont()->getBold()); $this->assertFalse($sheet->getStyle('A2')->getFont()->getBold()); $this->assertEquals(16, $sheet->getStyle('C2')->getFont()->getSize()); } }