<?php $title = 'hello';
$score ='57';
if ($score<50){
echo '0';
}else if ($score<55){
echo '1';
}else if ($score<60){
echo '1.5';
}else if ($score<65){
echo '2';
}else if ($score<70){
echo '2.5';
}else if ($score<75){
echo '3';
}else if ($score<80){
echo '3.5';
}else
echo '4'
?>
</body>
</html>
