WordPress at a glance
function is not described

is_comments_popup() WP 1.5.0

Deprecated from version 4.5.0. It is no longer supported and can be removed in future releases. It is recommended to replace this function with the same one.

Determines whether the current URL is within the comments popup window.

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

No Hooks.

Return

false. Always returns false.

Usage

is_comments_popup();

Changelog

Since 1.5.0 Introduced.
Deprecated 4.5.0

Code of is_comments_popup() WP 5.7

<?php
function is_comments_popup() {
	_deprecated_function( __FUNCTION__, '4.5.0' );

	return false;
}