if (in_array($key, ['thumbnail_width', 'thumbnail_height', 'width', 'height'])) {
// These values should be numbers, so ensure that they really are numbers.
$value = (int)$value;
+ } elseif (is_array($value)) {
+ // Ignoring arrays.
} elseif ($key != 'html') {
// Avoid being able to inject some ugly stuff through these fields.
$value = htmlentities($value);