This code is used to add a button to your order page in the admin panel. and this code adds for the function.php file WordPress.
<?php
add_action( 'woocommerce_order_item_add_action_buttons', 'action_woocommerce_order_item_add_action_buttons', 10, 1);
function action_woocommerce_order_item_add_action_buttons( $order ){
$order_id = method_exists( $order, 'get_id' ) ? $order->get_id() : $order->id;
$order = new WC_Order( $order_id );
$items = $order->get_items();
foreach ( $items as $item ) {
$product_id = $item['product_id'];
$meta = get_post_meta($product_id);
$vender_product_link = get_post_meta($product_id, 'venderproductlink', true);
if(!empty($vender_product_link)){
echo '<a class="button generate-items" target="_blank" href="'.$vender_product_link1.'">Vender Product Link</a>';
}
}
};
?>
