PHP Decode

<?php

declare(strict_types=1);

namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\TextData;

use PhpOffice\PhpSpreadsheet\Calculation\Calculation;

class FindTest extends AllSetupTeardown
{
    /**
     * @dataProvider providerFIND
     */
    public function testFIND(mixed $expectedResult, mixed $string1 = 'omitted', mixed $string2 = 'omitted', mixed $start = 'omitted'): void
    {
        $this->mightHaveException($expectedResult);
        $sheet = $this->getSheet();
        if ($string1 === 'omitted') {
            $sheet->getCell('B1')->setValue('=FIND()');
        } elseif ($string2 === 'omitted') {
            $this->setCell('A1', $string1);
            $sheet->getCell('B1')->setValue('=FIND(A1)');
        } elseif ($start === 'omitted') {
            $this->setCell('A1', $string1);
            $this->setCell('A2', $string2);
            $sheet->getCell('B1')->setValue('=FIND(A1, A2)');
        } else {
            $this->setCell('A1', $string1);
            $this->setCell('A2', $string2);
            $this->setCell('A3', $start);
            $sheet->getCell('B1')->setValue('=FIND(A1, A2, A3)');
        }
        $result = $sheet->getCell('B1')->getCalculatedValue();
        self::assertEquals($expectedResult, $result);
    }

    public static function providerFIND(): array
    {
        return require 'tests/data/Calculation/TextData/FIND.php';
    }

    /**
     * @dataProvider providerFindArray
     */
    public function testFindArray(array $expectedResult, string $argument1, string $argument2): void
    {
        $calculation = Calculation::getInstance();

        $formula = "=FIND({$argument1}, {$argument2})";
        $result = $calculation->_calculateFormulaValue($formula);
        self::assertEqualsWithDelta($expectedResult, $result, 1.0e-14);
    }

    public static function providerFindArray(): array
    {
        return [
            'row vector #1' => [[[3, 4, '#VALUE!']], '"l"', '{"Hello", "World", "PhpSpreadsheet"}'],
            'column vector #1' => [[[3], [4], ['#VALUE!']], '"l"', '{"Hello"; "World"; "PhpSpreadsheet"}'],
            'matrix #1' => [[[3, 4], ['#VALUE!', 5]], '"l"', '{"Hello", "World"; "PhpSpreadsheet", "Excel"}'],
        ];
    }
}
 ?>