📅  最后修改于: 2022-03-11 14:54:02.506000             🧑  作者: Mango
if (strlen($input) < 12)
{
echo "Input is too short, minimum is 12 characters (20 max).";
}
elseif(strlen($input) > 20)
{
echo "Input is too long, maximum is 20 characters.";
}