Returns value from $_POST["user_email"] without sanitizing
$userEmail = $request->getPost("user_email");
Returns value from $_POST["user_email"] with sanitizing
$userEmail = $request->getPost("user_email", "email");
public function getPost($name = null, $rule = null, $defaultValue = null)
{
return $this->_getHelper($_POST, $name, $rule, $defaultValue);
}