wp-includes/class-wp-query.php:3816Determines whether there are more comments available.
bool public function have_comments() { if ( $this->current_comment + 1 < $this->comment_count ) { return true; } elseif ( $this->current_comment + 1 == $this->comment_count ) { $this->rewind_comments(); } return false; }Introduced in 2.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-query.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.