<?php
/**
 * Copyright 2017 Facebook, Inc.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */
namespace Facebook\PersistentData;

use Facebook\Exceptions\FacebookSDKException;

/**
 * Class FacebookSessionPersistentDataHandler
 *
 * @package Facebook
 */
class FacebookSessionPersistentDataHandler implements PersistentDataInterface
{
    /**
     * @var string Prefix to use for session variables.
     */
    protected $sessionPrefix = 'FBRLH_';

    /**
     * Init the session handler.
     *
     * @param boolean $enableSessionCheck
     *
     * @throws FacebookSDKException
     */
    public function __construct($enableSessionCheck = true)
    {
        if(version_compare( PHP_VERSION, '7.0.0', '<=' )){
            if ($enableSessionCheck && session_status() !== PHP_SESSION_ACTIVE) {
                throw new FacebookSDKException(
                    'Sessions are not active. Please make sure session_start() is at the top of your script.',
                    720
                );
            }
        }else{
            // if ($enableSessionCheck && !session_id()) {
            //     throw new FacebookSDKException(
            //         'Sessions are not active. Please make sure session_start() is at the top of your script.',
            //         720
            //     );
            // }
        }
    }

    /**
     * @inheritdoc
     */
    public function get($key)
    {

        
        $data = get_site_transient($this->sessionPrefix . $key);

        if ( !empty( $data )  ) { // added by wpweb

            
            return $data; // added by wpweb
        }

        return null;
    }

    /**
     * @inheritdoc
     */
    public function set($key, $value)
    {   
        // added by wpweb
        
        set_site_transient( $this->sessionPrefix . $key, $value, 3600);
    }
}
