WP - WOO | Add custom field to shop_order Woocommerce Admin Order's List #wordpress #woocommerce

shop_order_list_add_custom_field.php

<?php 

 /**
  * Add a new Column to shop_order 
  * admin list Woocommerce and show custom fields
  * Use in functions.php 
  */

function add_new_column_orders_woo( $columns ) {

   $new_columns = array();

   foreach ( $columns as $column_name => $column_info ) {

	   $new_columns[ $column_name ] = $column_info;

	   if ( 'order_total' === $column_name ) {

        // replace to customize 
		   $new_columns['order_column_data'] = __( 'The title of the column', 'your-theme-text-domain' );
	   }
   }

   return $new_columns;
}
add_filter( 'manage_edit-shop_order_columns', 'add_new_column_orders_woo', 20 );


if ( ! function_exists( 'sv_helper_get_order_meta' ) ) :

    /**
     * Helper function to get meta for an order.
     *
     * @param \WC_Order $order the order object
     * @param string $key the meta key
     * @param bool $single whether to get the meta as a single item. Defaults to `true`
     * @param string $context if 'view' then the value will be filtered
     * @return mixed the order property
     */
    function sv_helper_get_order_meta( $order, $key = '', $single = true, $context = 'edit' ) {

        // WooCommerce > 3.0
        if ( defined( 'WC_VERSION' ) && WC_VERSION && version_compare( WC_VERSION, '3.0', '>=' ) ) {

            $value = $order->get_meta( $key, $single, $context );

        } else {

            // have the $order->get_id() check here just in case the WC_VERSION isn't defined correctly
            $order_id = is_callable( array( $order, 'get_id' ) ) ? $order->get_id() : $order->id;
            $value    = get_post_meta( $order_id, $key, $single );
        }

        return $value;
    }

endif;

/**
 * Output Custom fields 
 *
 * @param string[] $column name of column being displayed
 */
function add_order_column_data_content( $column ) {
    global $post;

        $order    = wc_get_order( $post->ID );
        
		// add fields replace your_field_name
        $render_field     = sv_helper_get_order_meta( $order, 'your_field_name' );
        
        // echo custom fields
        echo $render_field;    
}	
add_action( 'manage_shop_order_posts_custom_column', 'add_order_column_data_content' );



?>