============================
MongoDB\\Collection::count()
============================

.. default-domain:: mongodb

.. contents:: On this page
   :local:
   :backlinks: none
   :depth: 1
   :class: singlecol

Definition
----------

.. phpmethod:: MongoDB\\Collection::count($filter, $options)

   Counts the number of documents that match filter criteria.

   .. code-block:: php

      function count($filter = [], array $options = []): integer

   :phpmethod:`MongoDB\\Collection::count` has the following
   parameters:

   .. include:: /includes/apiargs/MongoDBCollection-method-count-param.rst
   
   :phpmethod:`MongoDB\\Collection::count` supports the following
   options:

   .. include:: /includes/apiargs/MongoDBCollection-method-count-option.rst

.. todo: add output and examples

.. seealso::
   
   - :manual:`count command reference </reference/command/count>`
     in the MongoDB manual.