Description

Write a formula to the specified row and column (zero indexed). In case of error it will write the error message (instead of the formula) in the corresponding row and column.

Parameter

• integer $row - Zero indexed row

• integer $col - Zero indexed column

• string $formula - The formula text string

• mixed $format - The optional XF format

Return value

integer - 0 for normal termination, -1 for an error in the formula, -2 for row or column out of range.

Note

This function can not be called statically.

Formulas must start with an equal sign ('=').

Arguments given to an Excel function should be separated by comas (','), not by semicolons (';').

Example

require_once 'Spreadsheet/Excel/Writer.php';

$workbook = new Spreadsheet_Excel_Writer('formula.xls');
$worksheet =& $workbook->addWorksheet();

$worksheet->write(0, 0, 2);
$worksheet->write(0, 1, "and");
$worksheet->write(0, 2, 2);
$worksheet->write(0, 3, "makes");
$worksheet->writeFormula(0, 4, "=SUM(A1,C1)");

$workbook->close();