/**
* Overrides a registered argument. Call this method from your ViewHelper subclass
* inside the initializeArguments() method if you want to override a previously registered argument.
*
* @see registerArgument()
*
* @param string $name Name of the argument
* @param string $type Type of the argument
* @param string $description Description of the argument
* @param boolean $required If TRUE, argument is required. Defaults to FALSE.
* @param mixed $defaultValue Default value of argument
* @return FluidAbstractViewHelper $this, to allow chaining.
* @throws Exception
* @api
*/
protected function overrideArgument($name, $type, $description, $required = false, $defaultValue = null)
{
if (!array_key_exists($name, $this->argumentDefinitions)) {
throw new Exception('Argument "' . $name . '" has not been defined, thus it can\'t be overridden.', 1279212461);
}
return parent::overrideArgument($name, $type, $description, $required, $defaultValue);
}
