Returns value from $_GET["id"] without sanitizing
$id = $request->getQuery("id");
Returns value from $_GET["id"] with sanitizing
$id = $request->getQuery("id", "int");
Returns value from $_GET["id"] with a default value
$id = $request->getQuery("id", null, 150);
public function getQuery($name = null, $rule = null, $defaultValue = null)
{
return $this->_getHelper($_GET, $name, $rule, $defaultValue);
}