Summery Summery

Checks a comment author email for validity.

Syntax Syntax

WP_REST_Comments_Controller::check_comment_author_email( string $value, WP_REST_Request $request, string $param )

Description Description

Accepts either a valid email address or empty string as a valid comment author email address. Setting the comment author email to an empty string is allowed when a comment is being updated.

Parameters Parameters


(Required) Author email value submitted.


(Required) Full details about the request.


(Required) The parameter name.

Return Return

(string|WP_Error) The sanitized email address, if valid, otherwise an error.

Source Source

File: wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php

	public function check_comment_author_email( $value, $request, $param ) {
		$email = (string) $value;
		if ( empty( $email ) ) {
			return $email;

		$check_email = rest_validate_request_arg( $email, $request, $param );
		if ( is_wp_error( $check_email ) ) {
			return $check_email;

		return $email;


Changelog Changelog

Version Description
4.7.0 Introduced.


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