Switch di intervalli

[E.d.i.73]

eccola:

$random=rand(1,100);
switch($random){
case $random > 0 && $random <= 7 : $val = 1; break;
case $random > 7 && $random <= 25 : $val = 2; break;
case $random > 25 && $random <= 32 : $val = 3; break;
case $random > 32 && $random <= 58 : $val = 4; break;
case $random > 58 && $random <= 77 : $val = 5; break;
case $random > 77 && $random <= 100 : $val = 6; break;
}
echo $val;