Displays the link to the comments for the current post ID.

function comments_popup_link( $zero = false, $one = false, $more = false, $css_class = '', $none = false ) {
	$post_id    = get_the_ID();
	$post_title = get_the_title();
	$number     = get_comments_number( $post_id );

	if ( false === $zero ) {
		/* translators: %s: Post title. */
		$zero = sprintf( __( 'No Comments on %s' ), $post_title );
	}

	if ( false === $one ) {
		/* translators: %s: Post title. */
		$one = sprintf( __( '1 Comment on %s' ), $post_title );
	}

	if ( false === $more ) {
		/* translators: 1: Number of comments, 2: Post title. */
		$more = _n( '%1$s Comment on %2$s', '%1$s Comments on %2$s', $number );
		$more = sprintf( $more, number_format_i18n( $number ), $post_title );
	}

	if ( false === $none ) {
		/* translators: %s: Post title. */
		$none = sprintf( __( 'Comments Off on %s' ), $post_title );
	}

	if ( 0 == $number && ! comments_open() && ! pings_open() ) {
		echo '' . $none . '';
		return;
	}

	if ( post_password_required() ) {
		_e( 'Enter your password to view comments.' );
		return;
	}

	echo '';
	comments_number( $zero, $one, $more );
	echo '';
}