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функция не описана

WC_AJAX::add_to_cart() WC 1.0

AJAX add to cart.

Это метод класса: WC_AJAX

Возвращает

Null. Ничего.

Использование

$var = WC_AJAX::add_to_cart();

Код WC AJAX::add to cart: woocommerce/includes/class-wc-ajax.php WC 4.3.0

<?php
public static function add_to_cart() {
	ob_start();

	// phpcs:disable WordPress.Security.NonceVerification.Missing
	if ( ! isset( $_POST['product_id'] ) ) {
		return;
	}

	$product_id        = apply_filters( 'woocommerce_add_to_cart_product_id', absint( $_POST['product_id'] ) );
	$product           = wc_get_product( $product_id );
	$quantity          = empty( $_POST['quantity'] ) ? 1 : wc_stock_amount( wp_unslash( $_POST['quantity'] ) );
	$passed_validation = apply_filters( 'woocommerce_add_to_cart_validation', true, $product_id, $quantity );
	$product_status    = get_post_status( $product_id );
	$variation_id      = 0;
	$variation         = array();

	if ( $product && 'variation' === $product->get_type() ) {
		$variation_id = $product_id;
		$product_id   = $product->get_parent_id();
		$variation    = $product->get_variation_attributes();
	}

	if ( $passed_validation && false !== WC()->cart->add_to_cart( $product_id, $quantity, $variation_id, $variation ) && 'publish' === $product_status ) {

		do_action( 'woocommerce_ajax_added_to_cart', $product_id );

		if ( 'yes' === get_option( 'woocommerce_cart_redirect_after_add' ) ) {
			wc_add_to_cart_message( array( $product_id => $quantity ), true );
		}

		self::get_refreshed_fragments();

	} else {

		// If there was an error adding to the cart, redirect to the product page to show any errors.
		$data = array(
			'error'       => true,
			'product_url' => apply_filters( 'woocommerce_cart_redirect_after_error', get_permalink( $product_id ), $product_id ),
		);

		wp_send_json( $data );
	}
	// phpcs:enable
}