WC_Form_Handler::add_to_cart_handler_variable │ private static │ WC 2.4.6

Handle adding variable products to the cart.

Method of the class: WC_Form_Handler{}

Returns

true|false. success or not

Usage

$result = WC_Form_Handler::add_to_cart_handler_variable( $product_id );

$product_id(int) (required)

Product ID to add to the cart.

Changelog

WC_Form_Handler::add_to_cart_handler_variable() WC Form Handler::add to cart handler variable code ^{WC 10.6.2}

private static function add_to_cart_handler_variable( $product_id ) {
	$variation_id = empty( $_REQUEST['variation_id'] ) ? '' : absint( wp_unslash( $_REQUEST['variation_id'] ) );  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$quantity     = empty( $_REQUEST['quantity'] ) ? 1 : wc_stock_amount( wp_unslash( $_REQUEST['quantity'] ) );  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$variations   = array();

	$product = wc_get_product( $product_id );

	foreach ( $_REQUEST as $key => $value ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
		if ( 'attribute_' !== substr( $key, 0, 10 ) ) {
			continue;
		}

		$variations[ sanitize_title( wp_unslash( $key ) ) ] = wp_unslash( $value );
	}

	$passed_validation = apply_filters( 'woocommerce_add_to_cart_validation', true, $product_id, $quantity, $variation_id, $variations );

	if ( ! $passed_validation ) {
		return false;
	}

	// Prevent parent variable product from being added to cart.
	if ( empty( $variation_id ) && $product && $product->is_type( ProductType::VARIABLE ) ) {
		$current_url        = isset( $_SERVER['REQUEST_URI'] ) ? wp_parse_url( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), PHP_URL_PATH ) : '';
		$product_url        = wp_parse_url( get_permalink( $product_id ), PHP_URL_PATH );
		$is_in_product_page = $current_url && $product_url && untrailingslashit( $current_url ) === untrailingslashit( $product_url );

		if ( $is_in_product_page ) {
			/* translators: 1: product name */
			$error_message = sprintf( __( 'Please choose product options for %1$s.', 'woocommerce' ), esc_html( $product->get_name() ) );
		} else {
			/* translators: 1: product link, 2: product name */
			$error_message = sprintf( __( 'Please choose product options by visiting <a href="%1$s" title="%2$s">%2$s</a>.', 'woocommerce' ), esc_url( get_permalink( $product_id ) ), esc_html( $product->get_name() ) );
		}

		wc_add_notice( $error_message, 'error' );

		return false;
	}

	if ( false !== WC()->cart->add_to_cart( $product_id, $quantity, $variation_id, $variations ) ) {
		wc_add_to_cart_message( array( $product_id => $quantity ), true );
		return true;
	}

	return false;
}