WordPress Version: 5.9
/**
* Increases an internal content media count variable.
*
* @since 5.9.0
* @access private
*
* @param int $amount Optional. Amount to increase by. Default 1.
* @return int The latest content media count, after the increase.
*/
function wp_increase_content_media_count($amount = 1)
{
static $content_media_count = 0;
$content_media_count += $amount;
return $content_media_count;
}