# Interface Countable

#### Direct known implementers

OpenCloud\Common\Collection\ArrayCollection, OpenCloud\Common\Metadata

#### Indirect known implementers

OpenCloud\Common\Collection\PaginatedIterator, OpenCloud\Common\Collection\ResourceIterator, OpenCloud\Compute\Resource\ServerMetadata, OpenCloud\DNS\Collection\DnsIterator, OpenCloud\ObjectStore\Resource\ContainerMetadata
PHP Extension: SPL
Documented at php.net

Methods summary
`public` | # `count( )`