Retrieve post array values

Question

I have a form that sends all the data with jQuery .serialize() In the form are four arrays qty[], etc it send the form data to a sendMail page and

Answer 1

try using filter_input() with filters FILTER_SANITIZE_SPECIAL_CHARS and FILTER_REQUIRE_ARRAY as shown

$qty=filter_input(INPUT_POST, 'qty',FILTER_SANITIZE_SPECIAL_CHARS,FILTER_REQUIRE_ARRAY);

then you can iterate through it nicely as

foreach($qty as $key=>$value){
    echo $value . "
";
   }