ChWsbCaptcha.php

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<?php
 
ch_import('ChWsbCaptchaQuery');
 
class ChWsbCaptcha
{
    protected $_sObject;
    protected $_aObject;
 
    public function __construct($aObject)
    {
        $this->_sObject = $aObject['object'];
        $this->_aObject = $aObject;
    }
 
    static public function getObjectInstance($sObject = false)
    {
        if (!$sObject)
            $sObject = getParam('sys_captcha_default');
 
        if (isset($GLOBALS['chWsbClasses']['ChWsbCaptcha!'.$sObject]))
            return $GLOBALS['chWsbClasses']['ChWsbCaptcha!'.$sObject];
 
        $aObject = ChWsbCaptchaQuery::getCaptchaObject($sObject);
        if (!$aObject || !is_array($aObject))
            return false;
 
        if (empty($aObject['override_class_name']))
            return false;
 
        $sClass = $aObject['override_class_name'];
        if (!empty($aObject['override_class_file']))
            require_once(CH_DIRECTORY_PATH_ROOT . $aObject['override_class_file']);
        else
            ch_import($sClass);
 
        $o = new $sClass($aObject);
        if (!$o->isAvailable())
            return false;
 
        return ($GLOBALS['chWsbClasses']['ChWsbCaptcha!'.$sObject] = $o);
    }
 
    public function display ($bDynamicMode = false)
    {
        // override this function in particular class
    }
 
    public function check ()
    {
        // override this function in particular class
    }
 
    public function getUserResponse ()
    {
        // override this function in particular class
    }
 
    public function isAvailable ()
    {
        // override this function in particular class
    }
 
}