What are the steps to determine the font color of a cell in Excel using PHP?

To determine the font color of a cell in Excel using PHP, you can use the PHPExcel library. First, load the Excel file using PHPExcel, then access the cell you want to get the font color of. Finally, use the getFont()->getColor() method to retrieve the font color of the cell.

require 'PHPExcel/Classes/PHPExcel.php';

$objPHPExcel = PHPExcel_IOFactory::load('example.xlsx');
$sheet = $objPHPExcel->getActiveSheet();

$cell = $sheet->getCell('A1');
$fontColor = $cell->getStyle()->getFont()->getColor()->getRGB();

echo "Font color of cell A1: " . $fontColor;