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<?php class Person { public function foo() { echo 'Do foo job'; } } class Cabelo extends Person { public function foo() { echo 'Do Cabelo foo job'; } } $cabelo = new Cabelo; $result = $cabelo instanceof Person; echo 'instanceof result: ' . var_dump($result) . PHP_EOL; $className = get_class($cabelo); $result2 = $className == 'Person'; echo 'get_classe result: ' . var_dump($result2) . PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) instanceof result: bool(false) get_classe result:

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