/**
* Checks whether a request element is set
+ *
* @param $element Name of the request element we want to check
* @return $isSet Whether the request element is set
* @throws MissingArrayElementsException Thrown if a request element is not set
/**
* Sets whether the request was valid (default: true)
*
- * @param $isValid Whether the request is valid
+ * @param $isValid Whether the request is valid
* @return void
*/
function requestIsValid ($isValid = true);