Info from Stackoverflow
if (isset($_POST["mail"]) && !empty($_POST["mail"])) {
echo "Yes, mail is set";
}else{
echo "N0, mail is not set";
}
Info from Stackoverflow
if (isset($_POST["mail"]) && !empty($_POST["mail"])) {
echo "Yes, mail is set";
}else{
echo "N0, mail is not set";
}