myCRED Lottery: Show winning numbers and winners

/**
 * lottery_drawn_numbers_ww Shortcode Render
 * @since 1.2.1
 * @version 1.0
 */
add_shortcode( 'lottery_drawn_numbers_ww', 'mycred_lotto_render_picknumber_winners' );
function mycred_lotto_render_picknumber_winners( $atts, $content = NULL ) {
	extract( shortcode_atts( array(
		'id'         => NULL,
		'user_row'   => '%display_name%',
		'order'      => 'DESC',
		'number'     => '-1',
		'draw_id'    => ''
	), $atts ) );

	// Make sure lottery exists
	$lottery_id = $id;
	$lottery = new myCRED_Lottery( $lottery_id );
	if ( ! $lottery->lottery_exists() )
		return __( 'Could not find lottery.', 'mycred_lotto' );

	$past_winners = $lottery->get_results( $draw_id, $order, $number );

	ob_start(); ?>

<div class="mycred-lotto-results">
	<table style="width: 100%;" class="table table-condensed">
		<thead>
			<tr>
				<th id="mycred-lottery-result-date" class="lottery-result-date"><?php _e( 'Date', 'mycred_lotto' ); ?></th>
				<th id="mycred-lottery-result-draw" class="lottery-result-drawno"><?php _e( 'Draw', 'mycred_lotto' ); ?></th>
				<th id="mycred-lottery-result-numbers" class="lottery-result-numbers"><?php _e( 'Winning Numbers', 'mycred_lotto' ); ?></th>
				<th id="mycred-lottery-result-winners" class="lottery-result-winners"><?php _e( 'Winners', 'mycred_lotto' ); ?></th>
			</tr>
		</thead>
		<tbody>
<?php

	if ( ! empty( $past_winners ) ) {

		foreach ( $past_winners as $history ) {
			$winners = (array) maybe_unserialize( $history->winners );

			$winning_users = array();
			if ( ! empty( $winners ) ) {
				$draw = $lottery->get_game_prefs();
				foreach ( $winners as $entry ) {
					if ( $entry['hits'] != $draw['picks'] ) continue;

					$row = $lottery->mycred->template_tags_user( $user_row, absint( $entry['user_id'] ) );
					if ( ! in_array( $row, $winning_users ) )
						$winning_users[] = $row;
				}
			}

			$winning_numbers = (array) maybe_unserialize( $history->result );

?>
			<tr>
				<td class="lottery-result-date"><?php echo $lottery->get_time_formated( $history->time ); ?></td>
				<td class="lottery-result-drawno">#<?php echo $history->draw_id; ?></td>
				<td class="lottery-result-numbers"><span><?php echo implode( '</span>, <span>', $winning_numbers ); ?></span></td>
				<td class="lottery-result-winners"><?php

				if ( empty( $winning_users ) )
					echo 'No winners';
				else
					echo '<span class="winning-user">' . implode( '</span> <span class="winning-user">', $winning_users ) . '</span>';


				?></td>
			</tr>
<?php

		}

	}
	else {

?>
			<tr>
				<td colspan="4">No results yet.</td>
			</tr>
<?php

	}

?>

		</tbody>
	</table>
</div>
<?php

	$content = ob_get_contents();
	ob_end_clean();

	return $content;
}