- fscanf: documentation ( source)
<?php
echo "Enter marks for subject 1 : ";
fscanf(STDIN, "%d\n", $m1);
echo "Enter marks for subject 2 : ";
fscanf(STDIN, "%d\n", $m2);
echo "Enter marks for subject 3 : ";
fscanf(STDIN, "%d\n", $m3);
$tot=$m1+$m2+$m3;
$avg=$tot/3;
print($tot);
print($avg);
?>