WC_Form_Handler::add_to_cart_action() │ public static │ WC 1.0

Add to cart action.

Checks for a valid request, does validation (via hooks) and then redirects if valid.

Method of the class: WC_Form_Handler{}

Return

null. Nothing (null).

Usage

$result = WC_Form_Handler::add_to_cart_action( $url );

$url(true|false)

-
Default: false) URL to redirect to

WC_Form_Handler::add_to_cart_action() WC Form Handler::add to cart action code ^{WC 9.5.1}

public static function add_to_cart_action( $url = false ) {
	if ( ! isset( $_REQUEST['add-to-cart'] ) || ! is_numeric( wp_unslash( $_REQUEST['add-to-cart'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		return;
	}

	wc_nocache_headers();

	$product_id        = apply_filters( 'woocommerce_add_to_cart_product_id', absint( wp_unslash( $_REQUEST['add-to-cart'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
	$was_added_to_cart = false;
	$adding_to_cart    = wc_get_product( $product_id );

	if ( ! $adding_to_cart ) {
		return;
	}

	$add_to_cart_handler = apply_filters( 'woocommerce_add_to_cart_handler', $adding_to_cart->get_type(), $adding_to_cart );

	if ( 'variable' === $add_to_cart_handler || 'variation' === $add_to_cart_handler ) {
		$was_added_to_cart = self::add_to_cart_handler_variable( $product_id );
	} elseif ( 'grouped' === $add_to_cart_handler ) {
		$was_added_to_cart = self::add_to_cart_handler_grouped( $product_id );
	} elseif ( has_action( 'woocommerce_add_to_cart_handler_' . $add_to_cart_handler ) ) {
		do_action( 'woocommerce_add_to_cart_handler_' . $add_to_cart_handler, $url ); // Custom handler.
	} else {
		$was_added_to_cart = self::add_to_cart_handler_simple( $product_id );
	}

	// If we added the product to the cart we can now optionally do a redirect.
	if ( $was_added_to_cart && 0 === wc_notice_count( 'error' ) ) {
		$url = apply_filters( 'woocommerce_add_to_cart_redirect', $url, $adding_to_cart );

		if ( $url ) {
			wp_safe_redirect( $url );
			exit;
		} elseif ( 'yes' === get_option( 'woocommerce_cart_redirect_after_add' ) ) {
			wp_safe_redirect( wc_get_cart_url() );
			exit;
		}
	}
}