source: extensions/oAuth/include/hybridauth/Hybrid/Storage.php @ 26555

<?php
/*!
* HybridAuth
* http://hybridauth.sourceforge.net | http://github.com/hybridauth/hybridauth
* (c) 2009-2012, HybridAuth authors | http://hybridauth.sourceforge.net/licenses.html 
*/

/**
 * HybridAuth storage manager
 */
class Hybrid_Storage 
{
        function __construct()
        { 
                if ( ! session_id() ){
                        if( ! session_start() ){
                                throw new Exception( "Hybridauth requires the use of 'session_start()' at the start of your script, which appears to be disabled.", 1 );
                        }
                }

                $this->config( "php_session_id", session_id() );
                $this->config( "version", Hybrid_Auth::$version );
        }

        public function config($key, $value=null) 
        {
                $key = strtolower( $key );  

                if( $value ){
                        $_SESSION["HA::CONFIG"][$key] = serialize( $value ); 
                }
                elseif( isset( $_SESSION["HA::CONFIG"][$key] ) ){ 
                        return unserialize( $_SESSION["HA::CONFIG"][$key] );  
                }

                return NULL; 
        }

        public function get($key) 
        {
                $key = strtolower( $key );  

                if( isset( $_SESSION["HA::STORE"], $_SESSION["HA::STORE"][$key] ) ){ 
                        return unserialize( $_SESSION["HA::STORE"][$key] );  
                }

                return NULL; 
        }

        public function set( $key, $value )
        {
                $key = strtolower( $key ); 

                $_SESSION["HA::STORE"][$key] = serialize( $value ); 
        }

        function clear()
        { 
                $_SESSION["HA::STORE"] = ARRAY(); 
        } 

        function delete($key)
        {
                $key = strtolower( $key );  

                if( isset( $_SESSION["HA::STORE"], $_SESSION["HA::STORE"][$key] ) ){
                    $f = $_SESSION['HA::STORE'];
                    unset($f[$key]);
                    $_SESSION["HA::STORE"] = $f;
                } 
        }

        function deleteMatch($key)
        {
                $key = strtolower( $key ); 

                if( isset( $_SESSION["HA::STORE"] ) && count( $_SESSION["HA::STORE"] ) ) {
                    $f = $_SESSION['HA::STORE'];
                    foreach( $f as $k => $v ){ 
                                if( strstr( $k, $key ) ){
                                        unset( $f[ $k ] ); 
                                }
                        }
                        $_SESSION["HA::STORE"] = $f;
                        
                }
        }

        function getSessionData()
        {
                if( isset( $_SESSION["HA::STORE"] ) ){ 
                        return serialize( $_SESSION["HA::STORE"] ); 
                }

                return NULL; 
        }

        function restoreSessionData( $sessiondata = NULL )
        { 
                $_SESSION["HA::STORE"] = unserialize( $sessiondata );
        } 
}