Hello ,how i can insert variabl empty in my db my example ↓ i want to let pass and email empty ! How i can do that please help

Question

$name=$_POST['name'];
$req=$bdd->query('insert into table(name,pass,email) values(?,?,?)');
$req-> execute(array($name,...));

Answer 1

$name=$_POST['name'];
$query="insert into test_db(name) values($name);"
if(!$query){
die("error")
}

Answer 2

i'm using Pdo , and if i write just name without pass and email , it shows on my screen error encaught ... about lenght of table in reallity i insered 1 but his lenght 3 . ..

Answer 3

sorry I have 0 knowledge in PDO