// this will return "true" if its sunday or saturday or false it its not a weekend
function is_sunday(){
$today = date("Y-m-d");
$dt1 = strtotime($today);
$dt2 = date("l", $dt1);
$dt3 = strtolower($dt2);
if(($dt3 == "saturday" ) || ($dt3 == "sunday")){
return true;
}else{
return false;
}
}