| public count ( array $query, boolean | null $running = null ) : integer | ||
| $query | array | in same format as \MongoDB\Collection::find() where top level fields do not contain operators. Lower level fields can however. eg: valid {a: {$gt: 1}, "b.c": 3}, invalid {$and: [{...}, {...}]} |
| $running | boolean | null | query a running message or not or all |
| return | integer | the count |
public function count(array $query, $running = null);