have_comments()

Determines whether current WordPress query has comments to loop over.

Return

(bool) True if comments are available, false if no more comments.

This function relies upon the global $wp_query object to be set – this is usually the case from within The Loop.

Warning: this function will always return “false” until after comments_template() has been called. If you need to check for comments before calling comments_template(), use get_comments_number() instead.

function have_comments() {
	global $wp_query;
	return $wp_query->have_comments();
}

Uses	Description
wp-includes/class-wp-query.php: WP_Query::have_comments()	Whether there are more comments available.

Version	Description
2.2.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/have_comments