/**
* Checks if CAPTCHA is valid or not. Caches the status so no matter how many times in one instance of application
* it is checked, it returns true.
* @param unknown_type $Data
* @return NULL
*/
function Validate($Data)
{
if ($this->isValid === null) {
$this->isValid = strtolower($Data) == strtolower(jf::LoadSessionSetting(jFormCaptcha::SettingNamePrefix . $this->Name()));
jf::DeleteSessionSetting(jFormCaptcha::SettingNamePrefix . $this->Name());
}
return $this->isValid;
}
/**
* Function to remove the stored session data
*
* @param string|int $key The key associated with the value
*
* @throws ArgumentMissingException If $key is missing
*/
protected function deleteSessionData($key = null)
{
if ($key == null) {
throw new ArgumentMissingException('Missing key to get session data');
}
\jf::DeleteSessionSetting($key);
}
/**
* @depends testSaveSession
*/
function testDeleteSession()
{
jf::SaveSessionSetting("some_name", "some_value");
$this->assertTrue(jf::DeleteSessionSetting("some_name"));
}
