Add order item via AJAX. This is refactored for better unit testing.
$validation_error, $product, $order, $qty
Sortie :
@param int $order_id ID of order to add items to. @param string|array $items Existing items in order. Empty string if no items to add. @param array $items_to_add Array of items to add. @return array Fragments to render and notes HTML.
// Modifier la valeur avec le filtre 'woocommerce_ajax_add_order_item_validation'
add_filter('woocommerce_ajax_add_order_item_validation', 'ma_fonction_filtre', 10, 1);
function ma_fonction_filtre($validation_error) {
// Modifier la valeur
return $validation_error;
}
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