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<?php
/**
* Handle data for the current customers session.
*
* @class WC_Session
* @version 2.0.0
* @package WooCommerce/Abstracts
* @category Abstract Class
* @author WooThemes
*/
abstract class WC_Session {
/** @var int $_customer_id */
protected $_customer_id;
/** @var array $_data */
protected $_data = array();
/** @var bool $_dirty When something changes */
protected $_dirty = false;
/**
* __get function.
*
* @param mixed $key
* @return mixed
*/
public function __get( $key ) {
return $this->get( $key );
}
/**
* __set function.
*
* @param mixed $key
* @param mixed $value
*/
public function __set( $key, $value ) {
$this->set( $key, $value );
}
/**
* __isset function.
*
* @param mixed $key
* @return bool
*/
public function __isset( $key ) {
return isset( $this->_data[ sanitize_title( $key ) ] );
}
/**
* __unset function.
*
* @param mixed $key
* @return void
*/
public function __unset( $key ) {
if ( isset( $this->_data[ $key ] ) ) {
unset( $this->_data[ $key ] );
$this->_dirty = true;
}
}
/**
* Get a session variable
*
* @param string $key
* @param mixed $default used if the session variable isn't set
* @return mixed value of session variable
*/
public function get( $key, $default = null ) {
$key = sanitize_key( $key );
return isset( $this->_data[ $key ] ) ? maybe_unserialize( $this->_data[ $key ] ) : $default;
}
/**
* Set a session variable
*
* @param string $key
* @param mixed $value
*/
public function set( $key, $value ) {
$this->_data[ sanitize_key( $key ) ] = maybe_serialize( $value );
$this->_dirty = true;
}
/**
* get_customer_id function.
*
* @access public
* @return int
*/
public function get_customer_id() {
return $this->_customer_id;
}
}
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