Функция проверки существования товара на странице. Проверяет на шорткод, блок и шатные страницы архивов

functions.php

function has_product(): array {

		$has_product_page = is_shop() || is_product_category() || is_product_tag() || is_product();

		global $post;

		if ( ! $post ) {
			return [ false, false, false ];
		}

		$parse_content  = parse_blocks( $post->post_content );
		$blocks_name    = array_filter( wp_list_pluck( $parse_content, 'blockName' ) );
		$wc_blocks_name = [];

		foreach ( $blocks_name as $block_name ) {
			if ( false !== strpos( $block_name, 'woocommerce' ) ) {
				$wc_blocks_name[] = $block_name;
			}
		}

		$has_wc_blocks = false;

		if ( ! empty( $wc_blocks_name ) ) {
			$has_wc_blocks = true;
		}

		$has_wc_shortcode_products = false;

		if ( has_shortcode( $post->post_content, 'products' ) ) {
			$has_wc_shortcode_products = true;
		}

		return [ $has_product_page, $has_wc_blocks, $has_wc_shortcode_products ];
	}