woocommerce-paypal-payments/modules/ppcp-wc-gateway/src/Helper/CartCheckoutDetector.php

<?php
/**
 * Helper to detect what cart and checkout configuration is being used.
 *
 * @package WooCommerce\PayPalCommerce\WcGateway\Helper
 */

declare(strict_types=1);

namespace WooCommerce\PayPalCommerce\WcGateway\Helper;

use WooCommerce\PayPalCommerce\WcGateway\Settings\Settings;

/**
 * Class CartCheckoutDetector
 */
class CartCheckoutDetector {

	/**
	 * Returns Elementor widgets if they exist (for a specific page).
	 * @param $page_id
	 * @return array
	 */
	private function get_elementor_widgets( $page_id ): array {
		$elementor_data = get_post_meta( $page_id, '_elementor_data' );

		if ( isset($elementor_data[0] ) ) {
			// parse elementor json and found all widgets in json for specific page
			$reg_exp = '/"widgetType":"([^"]*)/i';
			$output_array = array();

			if ( is_array( $elementor_data[0] ) ) {
				$elementor_data[0] = json_encode( $elementor_data[0] );
			}

			preg_match_all( $reg_exp, $elementor_data[0], $output_array, PREG_SET_ORDER );

			$widgets_list = array();

			foreach( $output_array as $found ) {
				if ( !isset( $found[1] ) ) {
					continue;
				}

				$widget_key = $found[1];

				$widgets_list[] = $widget_key;
			}

			return $widgets_list;
		}
		return array();
	}

	/**
	 * Check if the Checkout page is using Elementor.
	 *
	 * @return bool
	 */
	public function has_elementor_checkout(): bool {
		$elementor_widgets = $this->get_elementor_widgets( wc_get_page_id( 'checkout' ) );

		if ( $elementor_widgets ) {
			return in_array( 'woocommerce-checkout-page', $elementor_widgets);
		}

		return false;
	}

	/**
	 * Check if the Cart page is using Elementor.
	 *
	 * @return bool
	 */
	public function has_elementor_cart(): bool {
		$elementor_widgets = $this->get_elementor_widgets( wc_get_page_id( 'cart' ) );

		if ( $elementor_widgets ) {
			return in_array( 'woocommerce-cart-page', $elementor_widgets);
		}

		return false;
	}

	/**
	 * Check if the Checkout page is using the block checkout.
	 *
	 * @return bool
	 */
	public function has_block_checkout(): bool {
		$checkout_page_id = wc_get_page_id( 'checkout' );
		return $checkout_page_id && has_block( 'woocommerce/checkout', $checkout_page_id );
	}

	/**
	 * Check if the Cart page is using the block cart.
	 *
	 * @return bool
	 */
	public function has_block_cart(): bool {
		$cart_page_id = wc_get_page_id( 'cart' );
		return $cart_page_id && has_block( 'woocommerce/cart', $cart_page_id );
	}

	/**
	 * Check if the Checkout page is using the classic checkout.
	 *
	 * @return bool
	 */
	public function has_classic_checkout(): bool {
		$checkout_page_id = wc_get_page_id( 'checkout' );
		return $checkout_page_id && has_block( 'woocommerce/classic-shortcode', $checkout_page_id );
	}

	/**
	 * Check if the Cart page is using the classic cart.
	 *
	 * @return bool
	 */
	public function has_classic_cart(): bool {
		$cart_page_id = wc_get_page_id( 'cart' );
		return $cart_page_id && has_block( 'woocommerce/classic-shortcode', $cart_page_id );
	}
}