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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Jetpack_WooCommerce_Analytics is ported from the Jetpack_Google_Analytics code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package Jetpack  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                if ( ! defined( 'ABSPATH' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	exit;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                require_once plugin_basename( 'classes/class-jetpack-woocommerce-analytics-universal.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class Jetpack_WooCommerce_Analytics  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Instantiate WooCommerce Analytics  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Jetpack_WooCommerce_Analytics { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Instance of this class  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var Jetpack_WooCommerce_Analytics - Static property to hold our singleton instance  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private static $instance = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Instance of the Universal functions  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var Static property to hold concrete analytics impl that does the work (universal or legacy)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private static $analytics = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * WooCommerce Analytics is only available to Jetpack connected WooCommerce stores with both plugins set to active  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * and WooCommerce version 3.0 or higher  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return bool  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public static function should_track_store() { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		 * Make sure WooCommerce is installed and active  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		 * This action is documented in https://docs.woocommerce.com/document/create-a-plugin  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( ! in_array( 'woocommerce/woocommerce.php', apply_filters( 'active_plugins', Jetpack::get_active_plugins() ), true ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Tracking only Site pages.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( is_admin() ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Don't track site admins.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( is_user_logged_in() && in_array( 'administrator', wp_get_current_user()->roles, true ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Make sure Jetpack is installed and active.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( ! Jetpack::is_active() ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Ensure the WooCommerce class exists and is a valid version.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( ! $minimum_woocommerce_active ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * This is our constructor, which is private to force the use of get_instance()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return void  | 
            
                            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private function __construct() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		self::$analytics = new Jetpack_WooCommerce_Analytics_Universal();  | 
            
                            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Function to instantiate our class and make it a singleton  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function get_instance() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! self::should_track_store() ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! self::$instance ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			self::$instance = new self();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return self::$instance;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                global $jetpack_woocommerce_analytics;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                $jetpack_woocommerce_analytics = Jetpack_WooCommerce_Analytics::get_instance();  | 
            
            
                                                        
            
                                    
            
            
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Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.