php generate excel document

php generate excel document

header("Content-type:application/vnd.ms-excel");
header("Content-Disposition:filename=test.xls");
echo "test1t";
echo " test2tn";
echo "test1t";
echo "test2tn";
echo "test1t";
//PHP open source code
echo "test2tn";
echo "test1t";
echo "test2tn";
echo "test1t" ;
echo "test2tn";
echo "test1t";
echo "test2tn";
//Change the corresponding file header to output .doc, .xls and other file formats
?>