* assertThat($string, both(containsString("a"))->andAlso(containsString("b"))); *
* assertThat($string, either(containsString("a"))->orElse(containsString("b"))); *
* assertThat(array('a', 'b'), hasItem(equalTo('b'))); * //Convenience defaults to equalTo() * assertThat(array('a', 'b'), hasItem('b')); *
* assertThat(array('a', 'b', 'c'), hasItems(equalTo('a'), equalTo('b'))); *
assertThat($anObject, anInstanceOf('Thing'));
$matcher
count()