Code-Snippets-Functions/Execute a function on a child site/WooCommerce/checkbox-to-display-custom-product-badge.txt

add_action( 'woocommerce_product_options_general_product_data', 'wc_add_badge_checkbox_to_products' );        
  
function wc_add_badge_checkbox_to_products() {           
woocommerce_wp_checkbox( array( 
'id' => 'custom_badge', 
'class' => '', 
'label' => 'Show Custom Badge'
) 
);      
}

add_action( 'save_post', 'wc_save_badge_checkbox_to_post_meta' );
  
function wc_save_badge_checkbox_to_post_meta( $product_id ) {
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
        return;
    if ( isset( $_POST['custom_badge'] ) ) {
            update_post_meta( $product_id, 'custom_badge', $_POST['custom_badge'] );
    } else delete_post_meta( $product_id, 'custom_badge' );
}