This is a very specific function. Sometimes, you need to “set” a checkout field value upon order creation (because it was not required and left empty for example). In some other cases, you might want to override what the customer input if you have certain requirements.
Either way, overriding the checkout fields on order creation is super easy. Here’s how it’s done – enjoy!
PHP Snippet: Set & Save a Checkout Field Programmatically Upon Order Creation
The “$order->set_$key( $value )” function comes to the rescue. Simply concatenate it with the shipping/billing field key in order to tell the system what key you should target. $value defines the value you should set this key to.
In the following example, I’m setting the “billing_city” to “Singapore” in case “Singapore” is the “billing_country”. Change “billing_city” to any other key to set that specific key.
/**
* @snippet Set checkout billing / shipping field - WooCommerce Order
* @how-to businessbloomer.com/woocommerce-customization
* @author Rodolfo Melogli, Business Bloomer
* @compatible WooCommerce 3.5.7
* @community https://businessbloomer.com/club/
*/
add_action( 'woocommerce_checkout_create_order', 'bbloomer_set_singapore_city', 9999, 2 );
function bbloomer_set_singapore_city( $order, $data ) {
if ( $data['billing_country'] === 'SG' ) $order->set_billing_city( 'Singapore' );
}
Is it possible to add this guide
https://businessbloomer.com/woocommerce-add-custom-field-product-variation/
to the order page also?
Hi Yossef, thanks so much for your comment! Yes, this is definitely possible, but I’m afraid it’s custom work. If you’d like to get a quote, feel free to contact me here. Thanks a lot for your understanding!
For me its not working (:) and giving “Internal Server Error” on my checkout page after hitting “Place Order” button, however when i remove your code its working.
add_action( 'woocommerce_checkout_create_order', 'bbloomer_set_delivery_field_values', 9999, 2 ); function bbloomer_set_delivery_field_values( $order, $data ) { if ( $data['billing_delivery_toggle'] === "1" ) { $order->set_billing_delivery_toggle( "1 Hour Delivery" ); }else{ $order->set_billing_delivery_toggle( "4 Hours Delivery" ); } }Hi Jamal, this only works for default WooCommerce fields