ระบบคำนวณคะแนนและเกรด
= 80) {
$grade = "A";
$backgroundClass = "sky-clear";
} elseif ($total >= 75) {
$grade = "B+";
$backgroundClass = "partly-cloudy";
} elseif ($total >= 70) {
$grade = "B";
$backgroundClass = "cloudy";
} elseif ($total >= 65) {
$grade = "C+";
$backgroundClass = "cloudy";
} elseif ($total >= 60) {
$grade = "C";
$backgroundClass = "partly-cloudy";
} elseif ($total >= 55) {
$grade = "D+";
$backgroundClass = "rainy";
} elseif ($total >= 50) {
$grade = "D";
$backgroundClass = "rainy";
} else {
$grade = "F";
$backgroundClass = "stormy";
}
// แสดงผลลัพธ์
echo "";
echo "
ผลการประมวลผล
";
echo "
คะแนนรวม: $total คะแนน
";
echo "
เกรด: $grade
";
echo "