A pure PHP library for reading and writing spreadsheet file.  https://github.com/PHPOffice/PHPExcel

Home page:  http://phpexcel.codeplex.com/wikipage?title=Examples

Use 01simple-download-xls.php if you want output to a client’s web browser (Excel5)

If you gotn this error: “exception ‘PHPExcel_Calculation_Exception’ with message”.
Add this
$objWriter->setPreCalculateFormulas(false);
row before save:

$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
//$objWriter->setPreCalculateFormulas(false);
$objWriter->save('php://output');

info from here: https://phpexcel.codeplex.com/discussions/237881

Set bold the row, set width:

$objPHPExcel->getActiveSheet()->getStyle('A1:J1')->getFont()->setBold(true);

$objPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(30);

*************************

Hide notice: “Notice: Undefined property: PHPExcel_Calculation::$_savedPrecision”

Replace this function in calculation.php line 1739

https://phpexcel.codeplex.com/workitem/20797

public function __destruct() {
        if ($this->_savedPrecision != ini_get('precision')) {
        ini_set('precision',$this->_savedPrecision);
    }
 }

for:

//checking if the property exists with isset

public function __destruct() {
    if(isset($this->_savedPrecision)){
    if ($this->_savedPrecision != ini_get('precision')) {
        ini_set('precision',$this->_savedPrecision);
    }
    }
 }