PHP: Validate and Clean inputs function

gistfile1

function validate_and_clean($value, $type = 'text') {
	switch ($type) {
		case 'text':
			$value = filter_var($value, FILTER_SANITIZE_STRING); 
			$response = true;
			break;

		case 'email':
			$value = filter_var($value, FILTER_SANITIZE_EMAIL); 
			if(filter_var($value01,FILTER_VALIDATE_EMAIL)) {  
				$response = true; 
			} else {  
			 	$response = "invalid email";
			} 
			break;
		
		default:
			$value = filter_var($value, FILTER_SANITIZE_STRING); 
			$response = true;
			break;
	}
	return $response;
}