_theClass = $theClass; } protected function matchesWithDiagnosticDescription($item, Description $mismatchDescription) { if (!is_object($item)) { $mismatchDescription->appendText('was ')->appendValue($item); return false; } if (!($item instanceof $this->_theClass)) { $mismatchDescription->appendText('[' . get_class($item) . '] ') ->appendValue($item); return false; } return true; } public function describeTo(Description $description) { $description->appendText('an instance of ') ->appendText($this->_theClass) ; } /** * Is the value an instance of a particular type? * This version assumes no relationship between the required type and * the signature of the method that sets it up, for example in * assertThat($anObject, anInstanceOf('Thing')); * * @factory any */ public static function anInstanceOf($theClass) { return new self($theClass); } }