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<?php
/**
* NF Session
*
* This is a wrapper class for WP_Session / PHP $_SESSION and handles the storage of cart items, purchase sessions, etc
*
* @package Ninja Forms
* @subpackage Classes/Session
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 2.9.18
*/
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;
/**
* NF_Session Class
*
* @since 1.5
*/
class NF_Session {
/**
* Holds our session data
*
* @var array
* @access private
* @since 2.9.18
*/
private $session;
/**
* Session index prefix
*
* @var string
* @access private
* @since 2.9.18
*/
private $prefix = '';
/**
* Get things started
*
* Defines our WP_Session constants, includes the necessary libraries and
* retrieves the WP Session instance
*
* @since 2.9.18
*/
public function __construct() {
// Use WP_Session (default)
if ( ! defined( 'WP_SESSION_COOKIE' ) ) {
define( 'WP_SESSION_COOKIE', 'nf_wp_session' );
}
if ( ! class_exists( 'Recursive_ArrayAccess' ) ) {
require_once NF_PLUGIN_DIR . 'includes/libraries/class-recursive-arrayaccess.php';
}
if ( ! class_exists( 'WP_Session' ) ) {
require_once NF_PLUGIN_DIR . 'includes/libraries/class-wp-session.php';
require_once NF_PLUGIN_DIR . 'includes/libraries/wp-session.php';
}
add_filter( 'wp_session_expiration_variant', array( $this, 'set_expiration_variant_time' ), 99999 );
add_filter( 'wp_session_expiration', array( $this, 'set_expiration_time' ), 99999 );
add_action( 'plugins_loaded', array( $this, 'init' ), -1 );
}
/**
* Setup the WP_Session instance
*
* @access public
* @since 2.9.18
* @return void
*/
public function init() {
$this->session = WP_Session::get_instance();
return $this->session;
}
/**
* Retrieve session ID
*
* @access public
* @since 2.9.18
* @return string Session ID
*/
public function get_id() {
return $this->session->session_id;
}
/**
* Retrieve a session variable
*
* @access public
* @since 2.9.18
* @param string $key Session key
* @return string Session variable
*/
public function get( $key ) {
$key = sanitize_key( $key );
return isset( $this->session[ $key ] ) ? maybe_unserialize( $this->session[ $key ] ) : false;
}
/**
* Set a session variable
*
* @since 2.9.18
* @param string $key Session key
* @param integer $value Session variable
* @return string Session variable
*/
public function set( $key, $value ) {
$key = sanitize_key( $key );
if ( is_array( $value ) ) {
$this->session[ $key ] = serialize( $value );
} else {
$this->session[ $key ] = $value;
}
return $this->session[ $key ];
}
/**
* Delete a session variable
*
* @since 2.9.28
* @param string $key
* @return void
*/
public function delete() {
delete_option( '_wp_session_' . $this->session->session_id );
delete_option( '_wp_session_expires_' . $this->session->session_id );
}
/**
* Force the cookie expiration variant time to 23 minutes
*
* @access public
* @since 2.9.18
* @param int $exp Default expiration (1 hour)
* @return int
*/
public function set_expiration_variant_time( $exp ) {
return 60 * 23;
}
/**
* Force the cookie expiration time to 24 minutes
*
* @access public
* @since 2.9.18
* @param int $exp Default expiration (1 hour)
* @return int
*/
public function set_expiration_time( $exp ) {
return 60 * 24;
}
}
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