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

I prefer foreach insted of for, because you do not need to heandle the size.

if( isset( $_POST['qty'] ) )
{
    $qty = $_POST ['qty'] ;
    if( is_array( $qty ) )
    {
        foreach ( $qty as $key => $value ) 
        {
            print( $value );
        }
    }
}