| private is_array_with_valid_field ( mixed $maybe_array ) : boolean | ||
| $maybe_array | mixed | Maybe an array |
| return | boolean | Whether or not the given element is an array that has a valid field element. |
private function is_array_with_valid_field($maybe_array)
{
return is_array($maybe_array) && !empty($maybe_array['field']) && in_array($maybe_array['field'], array_keys($this->fields));
}