wp_xmlrpc_server::wp_newComment( array $args )

	public function wp_newComment($args) {
		$this->escape($args);

		$username       = $args[1];
		$password       = $args[2];
		$post           = $args[3];
		$content_struct = $args[4];

		/**
		 * Filters whether to allow anonymous comments over XML-RPC.
		 *
		 * @since WP-2.7.0
		 *
		 * @param bool $allow Whether to allow anonymous commenting via XML-RPC.
		 *                    Default false.
		 */
		$allow_anon = apply_filters( 'xmlrpc_allow_anonymous_comments', false );

		$user = $this->login($username, $password);

		if ( !$user ) {
			$logged_in = false;
			if ( $allow_anon && get_option('comment_registration') ) {
				return new IXR_Error( 403, __( 'You must be registered to comment.' ) );
			} elseif ( ! $allow_anon ) {
				return $this->error;
			}
		} else {
			$logged_in = true;
		}

		if ( is_numeric($post) )
			$post_id = absint($post);
		else
			$post_id = url_to_postid($post);

		if ( ! $post_id ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

		if ( ! get_post( $post_id ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

		if ( ! comments_open( $post_id ) ) {
			return new IXR_Error( 403, __( 'Sorry, comments are closed for this item.' ) );
		}

		if ( empty( $content_struct['content'] ) ) {
			return new IXR_Error( 403, __( 'Comment is required.' ) );
		}

		if (
			'publish' === get_post_status( $post_id ) &&
			! current_user_can( 'edit_post', $post_id ) &&
			post_password_required( $post_id )
		) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
		}

		if (
			'private' === get_post_status( $post_id ) &&
			! current_user_can( 'read_post', $post_id )
		) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
		}

		$comment = array(
			'comment_post_ID' => $post_id,
			'comment_content' => $content_struct['content'],
		);

		if ( $logged_in ) {
			$display_name = $user->display_name;
			$user_email = $user->user_email;
			$user_url = $user->user_url;

			$comment['comment_author'] = $this->escape( $display_name );
			$comment['comment_author_email'] = $this->escape( $user_email );
			$comment['comment_author_url'] = $this->escape( $user_url );
			$comment['user_ID'] = $user->ID;
		} else {
			$comment['comment_author'] = '';
			if ( isset($content_struct['author']) )
				$comment['comment_author'] = $content_struct['author'];

			$comment['comment_author_email'] = '';
			if ( isset($content_struct['author_email']) )
				$comment['comment_author_email'] = $content_struct['author_email'];

			$comment['comment_author_url'] = '';
			if ( isset($content_struct['author_url']) )
				$comment['comment_author_url'] = $content_struct['author_url'];

			$comment['user_ID'] = 0;

			if ( get_option('require_name_email') ) {
				if ( 6 > strlen($comment['comment_author_email']) || '' == $comment['comment_author'] )
					return new IXR_Error( 403, __( 'Comment author name and email are required.' ) );
				elseif ( !is_email($comment['comment_author_email']) )
					return new IXR_Error( 403, __( 'A valid email address is required.' ) );
			}
		}

		$comment['comment_parent'] = isset($content_struct['comment_parent']) ? absint($content_struct['comment_parent']) : 0;

		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.newComment' );

		$comment_ID = wp_new_comment( $comment, true );
		if ( is_wp_error( $comment_ID ) ) {
			return new IXR_Error( 403, $comment_ID->get_error_message() );
		}

		if ( ! $comment_ID ) {
			return new IXR_Error( 403, __( 'Something went wrong.' ) );
		}

		/**
		 * Fires after a new comment has been successfully created via XML-RPC.
		 *
		 * @since WP-3.4.0
		 *
		 * @param int   $comment_ID ID of the new comment.
		 * @param array $args       An array of new comment arguments.
		 */
		do_action( 'xmlrpc_call_success_wp_newComment', $comment_ID, $args );

		return $comment_ID;
	}