A platform combines multiple tutorials, projects, documentations, questions and answers for developers

apply_filters( 'allow_empty_comment', bool $allow_empty_comment, array $commentdata )

Filters whether an empty comment should be allowed.

Parameters

$allow_empty_comment: (bool) Whether to allow empty comments. Default false.
$commentdata: (array) Array of comment data to be sent to wp_insert_comment().

Source

File: wp-includes/comment.php

Used By

Used By	Description
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::check_is_comment_content_allowed()	If empty comments are not allowed, checks if the provided comment content is not empty.
wp-includes/comment.php: wp_handle_comment_submission()	Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.
wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::wp_newComment()	Create new comment.

Changelog

Version	Description
5.1.0	Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/allow_empty_comment