Problem: I would like to set the value of a custom field automatically whenever a WooCommerce Order is created from the front-end of the site.
Solution: Use a custom code snippet with the save_post hook to programmatically set the custom field value:
function tssupp_set_select_value_1 ( $post_id, $post, $update ) {
$field_slug = 'custom-field-slug';
$forced_value = '1';
$post_type_slug = 'shop_order';
// you should not edit anything below this line
// - bail on wrong post type or on update
$post_type = get_post_type( $post_id );
if ( $post_type !== $post_type_slug || $update ) {
return;
}
update_post_meta( $post_id, 'wpcf-' . $field_slug, $forced_value );
}
// 1688213: Automatically select custom field value when order is created
add_action( 'save_post', 'tssupp_set_select_value_1', 100, 3);
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