temporary_storage.php

См. документацию.

<?php
 
class CSecurityTemporaryStorage
{
    const SESSION_DATA_KEY = 'SECURITY_TEMPORARY_STORAGE';
    const DEFAULT_DATA_KEY = 'default';
    protected $sessionData = array();
 
    public function __construct($sessionKey = '', $forceFlush = false)
    {
        $this->initializeSessionData($sessionKey);
        if($forceFlush)
        {
            $this->flushData();
        }
    }
 
    /*
     * Destroy data in all temporary storage
     */
    public static function clearAll()
    {
        unset($_SESSION[self::SESSION_DATA_KEY]);
    }

    public function clearKey($key)
    {
        unset($this->sessionData[$key]);
    }

    protected function initializeSessionData($sessionKey = '')
    {
        if(!is_string($sessionKey) || !$sessionKey)
            $sessionKey = self::DEFAULT_DATA_KEY;
 
        $this->sessionData = &$_SESSION[self::SESSION_DATA_KEY][$sessionKey];
        if(!is_array($this->sessionData))
        {
            $this->sessionData = array();
        }
        return true;
    }
 
    public function flushData()
    {
        $this->sessionData = array();
    }

    public function setData($key, $value)
    {
        $this->sessionData[$key] = $value;
    }

    public function getString($key)
    {
        if(isset($this->sessionData[$key]) && is_string($this->sessionData[$key]))
        {
            return $this->sessionData[$key];
        }
        else
        {
            return '';
        }
    }

    public function getInt($key)
    {
        if(isset($this->sessionData[$key]) && is_numeric($this->sessionData[$key]))
        {
            return $this->sessionData[$key];
        }
        else
        {
            return 0;
        }
    }

    public function getBool($key)
    {
        if(isset($this->sessionData[$key]) && is_bool($this->sessionData[$key]))
        {
            return $this->sessionData[$key];
        }
        else
        {
            return false;
        }
    }

    public function isEmpty($key)
    {
        if(!isset($this->sessionData[$key]) || empty($this->sessionData[$key]))
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    public function isExists($key)
    {
        return isset($this->sessionData[$key]);
    }

    public function increment($key)
    {
        $this->setData($key, $this->getInt($key) + 1);
    }

    public function decrement($key)
    {
        $this->setData($key, $this->getInt($key) - 1);
    }

    public function getArray($key)
    {
        if(isset($this->sessionData[$key]) && is_array($this->sessionData[$key]))
        {
            return $this->sessionData[$key];
        }
        else
        {
            return array();
        }
    }

    public function getArrayPop($key)
    {
        if(isset($this->sessionData[$key]) && is_array($this->sessionData[$key]))
        {
            return array_pop($this->sessionData[$key]);
        }
        else
        {
            return null;
        }
    }

    public function pushToArray($key, $value)
    {
        if(isset($this->sessionData[$key]) && is_array($this->sessionData[$key]))
        {
            array_push($this->sessionData[$key], $value);
        }
        else
        {
            $this->sessionData[$key] = array($value);
        }
    }
}