Remove empty fields in an array after foreach in PHP

Question

I am new to PHP. This is my code from our mailing.php. When a user submits a request, there are 5-7 select-able fields and 20-25 fields that end up not being selected. The o

Answer 1

Just before foreach loop you should use this

$_POST = array_filter($_POST);

Another option is to use a conditional inside foreach loop

foreach($_POST as $key=>$value)
    if ($value != '' && $value != null)
        $body .= $key . ": " . $value . "\r\n";