getSheet(); $reference = 'A1'; if ($value !== null) { $sheet->getCell($reference)->setValue($value); } $sheet->getCell('D1')->setValue("=FORMULATEXT($reference)"); $result = $sheet->getCell('D1')->getCalculatedValue(); self::assertSame($expectedResult, $result); } public function providerFormulaText(): array { return require 'tests/data/Calculation/LookupRef/FORMULATEXT.php'; } public function testNoCell(): void { self::assertSame('#REF!', Formula::text('B5')); } }