Description:
------------
---
From manual page: https://php.net/mysqli-stmt.get-result
---

In both examples:

// Not a variable : $continent
$stmt->bind_param("s", $continent);

$continent_array = array('Europe','Africa','Asia','North America');

// Here it is:
foreach($continent_array as $continent)


  $stmt->execute(); // Just executing the same query multiple times
  $result = $stmt->get_result();
  while ($row = $result->fetch_array(MYSQLI_NUM))
  {