isset odeslat v php
if(isset($_POST['submit']){
//Your Code Here
}
php zkratka, pokud isset post
$name = isset($_POST['submit']) ? $_POST['name'] : null;
php isset post
if (!empty($_POST["mail"])) {
echo "Yes, mail is set";
} else {
echo "No, mail is not set";
}
NU
if (!empty($_POST["mail"])) {
echo "Yes, mail is set";
} else {
echo "No, mail is not set";
}