https://www.php.net/manual/it/reflectionclass.getinterfaces.php
PHP: ReflectionClass::getInterfaces - Manual
phpmanual
https://www.php.net/manual/en/reflectionclass.getinterfaces.php
PHP: ReflectionClass::getInterfaces - Manual
phpmanual
https://bugzilla.mozilla.org/show_bug.cgi?id=284549
284549 - crash if nsIClassInfo.getInterfaces includes a null interface [@ HashIIDPtrKey]
RESOLVED (timeless) in Core - XPConnect. Last updated 2005-03-03.
crashincludesnullinterface