Insert formula

Function Prototype

insertFormula(int $row, int $column, string $formula [, resource $formatHandler])

int $row

cell row

int $column

cell column

string $formula

formula

resource $formatHandler

cell style

example

$excel = new \Vtiful\Kernel\Excel($config);

$freeFile = $excel->fileName("free.xlsx")
     ->header(['name', 'money']);

for($index = 1; $index < 10; $index++) {
     $textFile->insertText($index, 0, 'viest');
     $textFile->insertText($index, 1, 10);
}

$textFile->insertText(12, 0, "Total");
$textFile->insertFormula(12, 1, '=SUM(B2:B11)');

$freeFile->output();