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/*
This code should go to your child theme functions.php file
 
example how to use new actions woocommerce_lottery_product_loop_lotteries_winners_header, woocommerce_lottery_product_loop_lotteries_winners_body
 
*/
add_action( 'woocommerce_lottery_product_loop_lotteries_winners_header', 'custom_add_ticket_numbers_to_winner_list_header' );
 
 
function custom_add_ticket_numbers_to_winner_list_header(){
    echo '<th>' . __('Ticket','wc_lottery-pn') . '</th>';
}
 
 
add_action( 'woocommerce_lottery_product_loop_lotteries_winners_body', 'custom_add_ticket_numbers_to_winner_list_body', 10, 2 );
function custom_add_ticket_numbers_to_winner_list_body( $product_id, $product ){
    $lottery_winers  = get_post_meta($product_id, '_lottery_pn_winners',true);
    echo '<td>';
    if( $lottery_winers ) {
        if (count($lottery_winers) > 1) {
            $winners = '';
            foreach ($lottery_winers as $winner) {
                    $winners .=  apply_filters( 'ticket_number_display_html' ,$winner['ticket_number'], $product );
 
 
            }
            echo rtrim ($winners, ', ');
        } else {
            if ( isset( $lottery_winers[0]['ticket_number'] ) ) {
                echo  apply_filters( 'ticket_number_display_html', $lottery_winers[0]['ticket_number'], $product) ;
            }
        }
    }
    echo '</td>';
 
 
}