Populate MYSQL based on fieldname

while ($rw=mysqli_fetch_object($siswa)){
	$i++
	if($i=='1'){
		foreach ($rw as $key=>$value){
			$out .= "<th>".strtoupper($key)."</th>"
		}
		$out = "<tr>$out</tr>"
	}
	$out .= '<tr>'
	foreach ($rw as $key=>$value){
		if(is_numeric($value))$out .= "<td>'$value</td>"else $out .= "<td>$value</td>"
	}
	$out .= "</tr>"
}
echo "<table>$out</table>"