Adds the sitemap index to robots.txt.

Parameters

$outputstringrequired

robots.txt output.

$is_publicboolrequired

Whether the site is public.

Return

Source

public function add_robots( $output, $is_public ) {
	if ( $is_public ) {
		$output .= "\nSitemap: " . esc_url( $this->index->get_index_url() ) . "\n";
	}

	return $output;
}

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