| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Handle data for the current customer session | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | if ( ! defined( 'ABSPATH' ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | 	exit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * WPInv_Session | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | abstract class WPInv_Session { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 	 * Customer ID. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	 * @var int $_customer_id Customer ID. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 	protected $_customer_id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	 * Session Data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	 * @var array $_data Data array. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	protected $_data = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	 * Dirty when the session needs saving. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	 * @var bool $_dirty When something changes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	protected $_dirty = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	 * Init hooks and session data. Extended by child classes. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	 * @since 3.3.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	public function init() {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	 * Cleanup session data. Extended by child classes. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	public function cleanup_sessions() {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	 * Magic get method. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	 * @param mixed $key Key to get. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	public function __get( $key ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 		return $this->get( $key ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	 * Magic set method. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	 * @param mixed $key Key to set. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	 * @param mixed $value Value to set. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	public function __set( $key, $value ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 		$this->set( $key, $value ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 * Magic isset method. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	 * @param mixed $key Key to check. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	public function __isset( $key ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		return isset( $this->_data[ sanitize_title( $key ) ] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	 * Magic unset method. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 	 * @param mixed $key Key to unset. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	public function __unset( $key ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 		if ( isset( $this->_data[ $key ] ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 			unset( $this->_data[ $key ] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 			$this->_dirty = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	 * Get a session variable. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 	 * @param string $key Key to get. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 	 * @param mixed  $default used if the session variable isn't set. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	 * @return array|string value of session variable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 	public function get( $key, $default = null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 		$key = sanitize_key( $key ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		return isset( $this->_data[ $key ] ) ? maybe_unserialize( $this->_data[ $key ] ) : $default; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	 * Set a session variable. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	 * @param string $key Key to set. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	 * @param mixed  $value Value to set. | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 107 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  | 	public function set( $key, $value ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  | 		if ( $value !== $this->get( $key ) ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  | 			$this->_data[ sanitize_key( $key ) ] = maybe_serialize( $value ); | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  | 			$this->_dirty                        = true; | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	 * Get customer ID. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	 * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 	public function get_customer_id() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 		return $this->_customer_id; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 123 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 124 |  |  |  |