- class_implements: documentation ( source)
- var_dump: documentation ( source)
<?php
var_dump(class_implements(DateTime::class));
var_dump(class_implements(Generator::class));
var_dump(class_implements(stdClass::class));
var_dump(class_implements(invalidClass::class));
var_dump(class_implements(DateTime::class, false)); // different, but risky to assume via static analysis?