public function numberedArgs( $args, $context, $line ) {
		return WSData::newFromPHPVar( $context->mFrame->getNumberedArguments() );
	}
	protected function castBool( $args, $pos ) {
		$this->checkParamsCount( $args, $pos, 1 );
		return WSData::castTypes( $args[0], WSData::DBool );
	}
	public function split( $args, $context, $line ) {
		$list = explode( $args[1]->toString(), $args[0]->toString() );
		return WSData::newFromPHPVar( $list );
	}