<?php
$a = 1;
while ( $a <= 100 ) {
$sum = $sum + $a;
$a++;
}
$b = 1;
while ( $b <= 100 ) {
$odd = $odd + $b;
$b+=2;
}
$c = 1;
$c++;
while ( $c <= 100 ) {
$even = $even + $c;
$c+=2;
}
echo "1-100總和:" . $sum . "<br>";
echo "1-100奇數總和:" . $odd . "<br>";
echo "1-100偶數總和:" . $even;
?>