ap_user_can_comment( boolean|integer $post_id = false, boolean|integer $user_id = false )

function ap_user_can_comment( $post_id = false, $user_id = false ) {
	if ( false === $post_id ) {
		$post_id = get_the_ID();
	}

	if ( false === $user_id ) {
		$user_id = get_current_user_id();
	}

	if ( is_super_admin( $user_id ) ) {
		return true;
	}

	/**
	 * Filter to hijack ap_user_can_comment.
	 *
	 * @param  boolean|string   $apply_filter   Apply current filter, empty string by default.
	 * @param  integer|object   $post_id        Post ID or object.
	 * @param  integer          $user_id        User ID.
	 * @return boolean
	 * @since  2.4.6
	 */
	$filter = apply_filters( 'ap_user_can_comment', '', $post_id, $user_id );

	if ( true === $filter ) {
		return true;
	} elseif ( false === $filter ) {
		return false;
	}

	$post_o = ap_get_post( $post_id );

	// Do not allow to comment if post is moderate.
	if ( 'moderate' === $post_o->post_status ) {
		return false;
	}

	// Don't allow user to comment if they don't have permission to read post.
	if ( ! ap_user_can_read_post( $post_id, $user_id ) ) {
		return false;
	}

	$option = ap_opt( 'post_comment_per' );
	if ( 'have_cap' === $option && user_can( $user_id, 'ap_new_comment' ) ) {
		return true;
	} elseif ( 'logged_in' === $option && is_user_logged_in() ) {
		return true;
	} elseif ( 'anyone' === $option ) {
		return true;
	}

	return false;
}