1, 'a' => 2]), "\n"; echo count([...$rest, 9]), "\n"; echo count([$i++, $i++]), "\n"; echo count([$plain]), "\n"; echo count([&$ref]), "\n"; echo count([UNDEFINED_COUNT_LITERAL]), "\n"; echo count([KnownClass::MISSING]), "\n"; echo count(["{$object->property}"]), "\n"; echo count([KnownClass::KNOWN]), "\n"; }