<?php
$diffOpen = 2;
switch (true) {
case $diffOpen <= 1:
$qs = 16;
break;
case $diffOpen <= 8:
$qs = 14;
break;
case $diffOpen <= 15:
$qs = 12;
break;
case $diffOpen <= 30:
$qs = 10;
break;
}
echo $qs;
PD9waHAKJGRpZmZPcGVuID0gMjsKCnN3aXRjaCAodHJ1ZSkgewogICAgY2FzZSAkZGlmZk9wZW4gPD0gMToKICAgICAgICAkcXMgPSAxNjsKICAgICAgICBicmVhazsKICAgIGNhc2UgJGRpZmZPcGVuIDw9IDg6CiAgICAgICAgJHFzID0gMTQ7CiAgICAgICAgYnJlYWs7CiAgICBjYXNlICRkaWZmT3BlbiA8PSAxNToKICAgIAkkcXMgPSAxMjsKICAgICAgICBicmVhazsKICAgIGNhc2UgJGRpZmZPcGVuIDw9IDMwOgogICAgCSRxcyA9IDEwOwogICAgICAgIGJyZWFrOwp9CgplY2hvICRxczs=