Tweevalid - php validator in less that 140 bytes

example.php

$valid = new Tweevalid();

var_dump($valid->email('test@test.com'));
var_dump($valid->url('http://test.com'));
var_dump($valid->ip('10.10.10.10'));  

tweevalid.php

class Tweevalid{function __call($v,$a){$m=array('email'=>274,'ip'=>275,'url'=>273);return filter_var($a[0],$m[$v]);}}